{ "$schema": "https://verifymcp.io/schemas/changelog.json", "server": "pipeworx-io-pubchem", "component": "pubchem-mcp", "generated_at": "2026-09-20T22:03:55.182Z", "tracking_since": "2026-07-26", "counts": { "critical": 4, "security": 96, "functional": 0, "cosmetic": 0 }, "events": [ { "id": "chg_01a09a06-c2ee-73b1-996d-941ae405fb34", "kind": "check.unverifiable", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_unlisted", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-13", "occurred_at": "2026-09-13 09:08:49.222311+00", "observed_since": "2026-09-12", "source": "scan", "summary": "Authorization (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a09a06-c2ee-73b1-996d-941ae405fb34" }, { "id": "chg_01a09a06-c2ef-7212-9e43-9e221584ce8c", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.stable", "to_code": "stability.churn", "from_value": "pass", "to_value": "fail", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "days": "30", "added": "0", "breaks": "0", "removed": "35", "auth_transport": "0" }, "occurred_on": "2026-09-13", "occurred_at": "2026-09-13 09:08:49.222311+00", "observed_since": "2026-09-12", "source": "scan", "summary": "Stability (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a09a06-c2ef-7212-9e43-9e221584ce8c" }, { "id": "chg_01a09a06-c2ef-778d-91f3-5df700903295", "kind": "check.unverifiable", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.injection_clean", "to_code": "toolsafety.unreachable", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-13", "occurred_at": "2026-09-13 09:08:49.222311+00", "observed_since": "2026-09-12", "source": "scan", "summary": "Tool safety (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a09a06-c2ef-778d-91f3-5df700903295" }, { "id": "chg_01a08fb9-120e-7ee0-8f4a-ecb9fed50545", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 09:07:45.292079+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08fb9-120e-7ee0-8f4a-ecb9fed50545" }, { "id": "chg_01a08fb9-1210-7e2e-b7d9-61e36fe75709", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 09:07:45.292079+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08fb9-1210-7e2e-b7d9-61e36fe75709" }, { "id": "chg_01a08fb9-1211-7e42-9946-d0a287224420", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 09:07:45.292079+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08fb9-1211-7e42-9946-d0a287224420" }, { "id": "chg_01a08fb9-1213-7d51-9c00-6fe407593afa", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 09:07:45.292079+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08fb9-1213-7d51-9c00-6fe407593afa" }, { "id": "chg_01a08fb9-1216-70f8-9abd-7d4431fffe61", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 09:07:45.292079+00", "observed_since": "2026-09-10", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08fb9-1216-70f8-9abd-7d4431fffe61" }, { "id": "chg_01a08fb9-1216-7513-bc97-886ca8831318", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-11", "occurred_at": "2026-09-11 09:07:45.292079+00", "observed_since": "2026-09-10", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08fb9-1216-7513-bc97-886ca8831318" }, { "id": "chg_01a08a94-2db0-7698-9ab0-048e482a97bf", "kind": "check.reverified", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_unlisted", "to_code": "auth.none_destructive", "from_value": "unverified", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 09:09:21.49894+00", "observed_since": "2026-09-09", "source": "scan", "summary": "Authorization (unverified → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08a94-2db0-7698-9ab0-048e482a97bf" }, { "id": "chg_01a08a94-2db1-7cc3-bfb2-6b773b724ea3", "kind": "check.reverified", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.unreachable", "to_code": "toolsafety.injection_clean", "from_value": "unverified", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 09:09:21.49894+00", "observed_since": "2026-09-09", "source": "scan", "summary": "Injection markers (unverified → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08a94-2db1-7cc3-bfb2-6b773b724ea3" }, { "id": "chg_01a08a94-2db2-773b-88cd-c6b85f66fa0c", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.churn", "to_code": "stability.stable", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-09-10", "occurred_at": "2026-09-10 09:09:21.49894+00", "observed_since": "2026-09-09", "source": "scan", "summary": "Stability (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a08a94-2db2-773b-88cd-c6b85f66fa0c" }, { "id": "chg_01a0856b-b7dc-7d5a-9fea-f3bb6a579306", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.stable", "to_code": "stability.churn", "from_value": "pass", "to_value": "fail", "materiality": "security", "direction": "regression", "score_delta": null, "detail": { "days": "30", "added": "0", "breaks": "0", "removed": "35", "auth_transport": "0" }, "occurred_on": "2026-09-09", "occurred_at": "2026-09-09 09:07:04.216124+00", "observed_since": "2026-09-08", "source": "scan", "summary": "Stability (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0856b-b7dc-7d5a-9fea-f3bb6a579306" }, { "id": "chg_01a0856b-b7dd-785d-acf0-f8a053488dec", "kind": "check.unverifiable", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.none_unlisted", "from_value": "fail", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-09", "occurred_at": "2026-09-09 09:07:04.216124+00", "observed_since": "2026-09-08", "source": "scan", "summary": "Authorization (fail → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0856b-b7dd-785d-acf0-f8a053488dec" }, { "id": "chg_01a0856b-b7dd-7ddf-b277-adf97e43ac79", "kind": "check.unverifiable", "family": "tool-safety-injection", "subject_kind": "check", "subject": "tool-safety-injection", "subject_child": "", "from_code": "toolsafety.injection_clean", "to_code": "toolsafety.unreachable", "from_value": "pass", "to_value": "unverified", "materiality": "security", "direction": "regression", "score_delta": null, "detail": {}, "occurred_on": "2026-09-09", "occurred_at": "2026-09-09 09:07:04.216124+00", "observed_since": "2026-09-08", "source": "scan", "summary": "Tool safety (pass → unverified)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0856b-b7dd-7ddf-b277-adf97e43ac79" }, { "id": "chg_01a075f8-3b94-77e8-b137-91456601301d", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 09:06:37.524544+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a075f8-3b94-77e8-b137-91456601301d" }, { "id": "chg_01a075f8-3b95-7614-b063-48c8c1a4c033", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 09:06:37.524544+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a075f8-3b95-7614-b063-48c8c1a4c033" }, { "id": "chg_01a075f8-3b95-7b7e-a0c6-5f0e882a7fd0", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 09:06:37.524544+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a075f8-3b95-7b7e-a0c6-5f0e882a7fd0" }, { "id": "chg_01a075f8-3b96-7144-8ee1-49c95e511467", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 09:06:37.524544+00", "observed_since": "2026-09-05", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a075f8-3b96-7144-8ee1-49c95e511467" }, { "id": "chg_01a075f8-3b96-7647-bb3c-9ca2cf346204", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-06", "occurred_at": "2026-09-06 09:06:37.524544+00", "observed_since": "2026-09-05", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a075f8-3b96-7647-bb3c-9ca2cf346204" }, { "id": "chg_01a070d1-9ed3-7343-84ef-fae85614946a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 09:06:20.335733+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a070d1-9ed3-7343-84ef-fae85614946a" }, { "id": "chg_01a070d1-9ed6-7f02-ad80-74462eb52a61", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 09:06:20.335733+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a070d1-9ed6-7f02-ad80-74462eb52a61" }, { "id": "chg_01a070d1-9ed7-7688-aae4-387c6cbb7cb5", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 09:06:20.335733+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a070d1-9ed7-7688-aae4-387c6cbb7cb5" }, { "id": "chg_01a070d1-9ed7-7cba-a215-87e60afbbd62", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 09:06:20.335733+00", "observed_since": "2026-09-04", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a070d1-9ed7-7cba-a215-87e60afbbd62" }, { "id": "chg_01a070d1-9ed8-7324-a758-bc8ebc86dce9", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-05", "occurred_at": "2026-09-05 09:06:20.335733+00", "observed_since": "2026-09-04", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a070d1-9ed8-7324-a758-bc8ebc86dce9" }, { "id": "chg_01a06bab-03cc-769e-9369-f8382aa6b2f3", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 09:06:04.474475+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06bab-03cc-769e-9369-f8382aa6b2f3" }, { "id": "chg_01a06bab-03d0-7673-87f7-6a78b093a4fa", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 09:06:04.474475+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06bab-03d0-7673-87f7-6a78b093a4fa" }, { "id": "chg_01a06bab-03d0-7d0f-b595-2f0d1d0d9bc9", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 09:06:04.474475+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06bab-03d0-7d0f-b595-2f0d1d0d9bc9" }, { "id": "chg_01a06bab-03d1-725d-a192-4a3e77d97f73", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 09:06:04.474475+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06bab-03d1-725d-a192-4a3e77d97f73" }, { "id": "chg_01a06bab-03d1-7948-827a-8e919c6f08f5", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "entity_profile", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "entity_profile" }, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 09:06:04.474475+00", "observed_since": "2026-09-03", "source": "scan", "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06bab-03d1-7948-827a-8e919c6f08f5" }, { "id": "chg_01a06bab-03d3-7d59-a8d6-199636baa6e2", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-04", "occurred_at": "2026-09-04 09:06:04.474475+00", "observed_since": "2026-09-03", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06bab-03d3-7d59-a8d6-199636baa6e2" }, { "id": "chg_01a06684-617f-76ea-bff6-c67dbace9419", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 09:05:46.804165+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06684-617f-76ea-bff6-c67dbace9419" }, { "id": "chg_01a06684-6181-7195-91dc-5803d2a2d19f", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 09:05:46.804165+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06684-6181-7195-91dc-5803d2a2d19f" }, { "id": "chg_01a06684-6181-77d2-9bb9-ec391f2a3200", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 09:05:46.804165+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06684-6181-77d2-9bb9-ec391f2a3200" }, { "id": "chg_01a06684-6181-7d0c-a456-faf8d6af05c5", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 09:05:46.804165+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06684-6181-7d0c-a456-faf8d6af05c5" }, { "id": "chg_01a06684-6182-73bc-85f0-57ba83749a34", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "polymarket_kalshi_spread", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "polymarket_kalshi_spread" }, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 09:05:46.804165+00", "observed_since": "2026-09-02", "source": "scan", "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06684-6182-73bc-85f0-57ba83749a34" }, { "id": "chg_01a06684-6182-7998-b880-1f30be89628f", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-03", "occurred_at": "2026-09-03 09:05:46.804165+00", "observed_since": "2026-09-02", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a06684-6182-7998-b880-1f30be89628f" }, { "id": "chg_01a0615e-3b32-7d02-9d38-2f72c47b538e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 09:06:00.301926+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0615e-3b32-7d02-9d38-2f72c47b538e" }, { "id": "chg_01a0615e-3b34-74df-8125-5f6e67970f0b", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 09:06:00.301926+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0615e-3b34-74df-8125-5f6e67970f0b" }, { "id": "chg_01a0615e-3b34-7c86-9c48-0046c6039b27", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 09:06:00.301926+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0615e-3b34-7c86-9c48-0046c6039b27" }, { "id": "chg_01a0615e-3b35-7351-96d4-ac82dcc2b9ab", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 09:06:00.301926+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0615e-3b35-7351-96d4-ac82dcc2b9ab" }, { "id": "chg_01a0615e-3b35-7947-b100-b7ec1e5c65e9", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "resolve_entity", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "resolve_entity" }, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 09:06:00.301926+00", "observed_since": "2026-09-01", "source": "scan", "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0615e-3b35-7947-b100-b7ec1e5c65e9" }, { "id": "chg_01a0615e-3b37-7de9-a196-925c95c0c6ea", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-02", "occurred_at": "2026-09-02 09:06:00.301926+00", "observed_since": "2026-09-01", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0615e-3b37-7de9-a196-925c95c0c6ea" }, { "id": "chg_01a05c37-ca8d-7f16-a7ae-92c999960cce", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 09:05:55.31843+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05c37-ca8d-7f16-a7ae-92c999960cce" }, { "id": "chg_01a05c37-ca8f-7048-b5e9-c912f18ea72c", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 09:05:55.31843+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05c37-ca8f-7048-b5e9-c912f18ea72c" }, { "id": "chg_01a05c37-ca8f-764d-a614-78b1084bc7e7", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 09:05:55.31843+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05c37-ca8f-764d-a614-78b1084bc7e7" }, { "id": "chg_01a05c37-ca8f-7b61-bee4-d8a32328fb16", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 09:05:55.31843+00", "observed_since": "2026-08-31", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05c37-ca8f-7b61-bee4-d8a32328fb16" }, { "id": "chg_01a05c37-ca90-72af-9a67-4bac21903902", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-09-01", "occurred_at": "2026-09-01 09:05:55.31843+00", "observed_since": "2026-08-31", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05c37-ca90-72af-9a67-4bac21903902" }, { "id": "chg_01a05711-736e-7774-ac4e-68be262c6559", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 09:05:56.323931+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05711-736e-7774-ac4e-68be262c6559" }, { "id": "chg_01a05711-736f-7b0b-9ef3-9ccd14e85a6f", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 09:05:56.323931+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05711-736f-7b0b-9ef3-9ccd14e85a6f" }, { "id": "chg_01a05711-7371-7583-8d9e-d0acb68c9e6e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 09:05:56.323931+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05711-7371-7583-8d9e-d0acb68c9e6e" }, { "id": "chg_01a05711-7371-7ac4-9d52-4e8a590e43a2", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 09:05:56.323931+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05711-7371-7ac4-9d52-4e8a590e43a2" }, { "id": "chg_01a05711-7372-707d-a7ab-6549ea35b867", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 09:05:56.323931+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05711-7372-707d-a7ab-6549ea35b867" }, { "id": "chg_01a05711-7372-76b8-934c-7b519a5e81c6", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "polymarket_kalshi_spread", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "polymarket_kalshi_spread" }, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 09:05:56.323931+00", "observed_since": "2026-08-30", "source": "scan", "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05711-7372-76b8-934c-7b519a5e81c6" }, { "id": "chg_01a05711-7372-7baa-bf76-3e01af281905", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-31", "occurred_at": "2026-08-31 09:05:56.323931+00", "observed_since": "2026-08-30", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a05711-7372-7baa-bf76-3e01af281905" }, { "id": "chg_01a04cc3-f402-7bb5-b43f-158bb435ec8d", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-29", "occurred_at": "2026-08-29 09:05:05.440295+00", "observed_since": "2026-08-28", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04cc3-f402-7bb5-b43f-158bb435ec8d" }, { "id": "chg_01a04cc3-f405-7482-b891-e3ea635b4829", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-29", "occurred_at": "2026-08-29 09:05:05.440295+00", "observed_since": "2026-08-28", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04cc3-f405-7482-b891-e3ea635b4829" }, { "id": "chg_01a04cc3-f406-7492-87d8-546ee4ee12f2", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-29", "occurred_at": "2026-08-29 09:05:05.440295+00", "observed_since": "2026-08-28", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04cc3-f406-7492-87d8-546ee4ee12f2" }, { "id": "chg_01a04cc3-f406-7bab-9781-d5d764834cb8", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-29", "occurred_at": "2026-08-29 09:05:05.440295+00", "observed_since": "2026-08-28", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04cc3-f406-7bab-9781-d5d764834cb8" }, { "id": "chg_01a04cc3-f407-7255-a447-bf7c32f58d0c", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-29", "occurred_at": "2026-08-29 09:05:05.440295+00", "observed_since": "2026-08-28", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04cc3-f407-7255-a447-bf7c32f58d0c" }, { "id": "chg_01a04277-4400-7442-912e-7abf08fcb5ba", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 09:05:07.511079+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04277-4400-7442-912e-7abf08fcb5ba" }, { "id": "chg_01a04277-4402-782d-9183-2999ccb5db3e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 09:05:07.511079+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04277-4402-782d-9183-2999ccb5db3e" }, { "id": "chg_01a04277-4403-71b2-9695-d5defa5b025a", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 09:05:07.511079+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04277-4403-71b2-9695-d5defa5b025a" }, { "id": "chg_01a04277-4403-7665-a2a3-e30822976981", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 09:05:07.511079+00", "observed_since": "2026-08-26", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04277-4403-7665-a2a3-e30822976981" }, { "id": "chg_01a04277-4404-7800-8340-6f329a81f11a", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-27", "occurred_at": "2026-08-27 09:05:07.511079+00", "observed_since": "2026-08-26", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a04277-4404-7800-8340-6f329a81f11a" }, { "id": "chg_01a03828-83c6-70cb-81ac-7098fa2b3580", "kind": "check.verdict", "family": "stability", "subject_kind": "check", "subject": "stability", "subject_child": "", "from_code": "stability.building_history", "to_code": "stability.stable", "from_value": "0.97", "to_value": "pass", "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-25", "occurred_at": "2026-08-25 09:02:54.157517+00", "observed_since": "2026-08-24", "source": "scan", "summary": "Stability (0.97 → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a03828-83c6-70cb-81ac-7098fa2b3580" }, { "id": "chg_01a03302-4cc4-7c6a-8f5c-f79fe6002c3c", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.rfc9728_invoke", "to_code": "auth.none_destructive", "from_value": "pass", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-08-24", "occurred_at": "2026-08-24 09:03:03.677039+00", "observed_since": "2026-08-23", "source": "scan", "summary": "Authorization (pass → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a03302-4cc4-7c6a-8f5c-f79fe6002c3c" }, { "id": "chg_01a02ddc-26ee-7da7-a6f4-895cccfac9fa", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 09:03:17.618137+00", "observed_since": "2026-08-22", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a02ddc-26ee-7da7-a6f4-895cccfac9fa" }, { "id": "chg_01a02ddc-26ef-7d87-a78f-de9e6852ed8e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 09:03:17.618137+00", "observed_since": "2026-08-22", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a02ddc-26ef-7d87-a78f-de9e6852ed8e" }, { "id": "chg_01a02ddc-26f0-7377-933b-c3dfdfabf7f8", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 09:03:17.618137+00", "observed_since": "2026-08-22", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a02ddc-26f0-7377-933b-c3dfdfabf7f8" }, { "id": "chg_01a02ddc-26f1-7066-948c-1d84d50ff900", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 09:03:17.618137+00", "observed_since": "2026-08-22", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a02ddc-26f1-7066-948c-1d84d50ff900" }, { "id": "chg_01a02ddc-26f1-75f7-ad75-0372b312b74f", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-23", "occurred_at": "2026-08-23 09:03:17.618137+00", "observed_since": "2026-08-22", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a02ddc-26f1-75f7-ad75-0372b312b74f" }, { "id": "chg_01a028b5-d8b0-7e53-bc71-c097e97cc506", "kind": "check.verdict", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive", "to_code": "auth.rfc9728_invoke", "from_value": "fail", "to_value": "pass", "materiality": "security", "direction": "improvement", "score_delta": null, "detail": {}, "occurred_on": "2026-08-22", "occurred_at": "2026-08-22 09:03:21.163494+00", "observed_since": "2026-08-21", "source": "scan", "summary": "Authorization (fail → pass)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a028b5-d8b0-7e53-bc71-c097e97cc506" }, { "id": "chg_01a028b5-d8b1-79d2-83ab-445febc5e480", "kind": "check.appeared", "family": "auth-registration", "subject_kind": "check", "subject": "auth-registration", "subject_child": "", "from_code": null, "to_code": "auth.registration_cimd", "from_value": null, "to_value": "pass", "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-22", "occurred_at": "2026-08-22 09:03:21.163494+00", "observed_since": "2026-08-21", "source": "scan", "summary": "First check of Authorization (pass)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a028b5-d8b1-79d2-83ab-445febc5e480" }, { "id": "chg_01a028b5-d8b2-714e-8340-9ebb5b124238", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-22", "occurred_at": "2026-08-22 09:03:21.163494+00", "observed_since": "2026-08-21", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a028b5-d8b2-714e-8340-9ebb5b124238" }, { "id": "chg_01a028b5-d8b2-7a78-b5af-4eab27b238ee", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-22", "occurred_at": "2026-08-22 09:03:21.163494+00", "observed_since": "2026-08-21", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a028b5-d8b2-7a78-b5af-4eab27b238ee" }, { "id": "chg_01a028b5-d8b3-753d-b857-3f80304de5ec", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-22", "occurred_at": "2026-08-22 09:03:21.163494+00", "observed_since": "2026-08-21", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a028b5-d8b3-753d-b857-3f80304de5ec" }, { "id": "chg_01a028b5-d8b3-7a62-b640-543a6bb8084e", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-22", "occurred_at": "2026-08-22 09:03:21.163494+00", "observed_since": "2026-08-21", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a028b5-d8b3-7a62-b640-543a6bb8084e" }, { "id": "chg_01a028b5-d8b3-7eae-89fe-1084a7d0cbf0", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-22", "occurred_at": "2026-08-22 09:03:21.163494+00", "observed_since": "2026-08-21", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a028b5-d8b3-7eae-89fe-1084a7d0cbf0" }, { "id": "chg_01a0238f-5235-76cd-87a2-b3fa153e69b2", "kind": "check.reverified", "family": "auth-oauth", "subject_kind": "check", "subject": "auth-oauth", "subject_child": "", "from_code": "auth.none_destructive_unverified", "to_code": "auth.none_destructive", "from_value": "unverified", "to_value": "fail", "materiality": "critical", "direction": "regression", "score_delta": null, "detail": { "tool": "forget" }, "occurred_on": "2026-08-21", "occurred_at": "2026-08-21 09:03:10.174618+00", "observed_since": "2026-08-20", "source": "scan", "summary": "Authorization (unverified → fail)", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0238f-5235-76cd-87a2-b3fa153e69b2" }, { "id": "chg_01a0238f-5237-7370-9cc0-ce48acd601ba", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-21", "occurred_at": "2026-08-21 09:03:10.174618+00", "observed_since": "2026-08-20", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0238f-5237-7370-9cc0-ce48acd601ba" }, { "id": "chg_01a0238f-5237-79df-91a8-0650a4dbe4dd", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-21", "occurred_at": "2026-08-21 09:03:10.174618+00", "observed_since": "2026-08-20", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0238f-5237-79df-91a8-0650a4dbe4dd" }, { "id": "chg_01a0238f-5237-7eda-b503-fc5b24f9efe6", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-21", "occurred_at": "2026-08-21 09:03:10.174618+00", "observed_since": "2026-08-20", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0238f-5237-7eda-b503-fc5b24f9efe6" }, { "id": "chg_01a0238f-5238-74cd-b567-6ca59b13ec74", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-21", "occurred_at": "2026-08-21 09:03:10.174618+00", "observed_since": "2026-08-20", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0238f-5238-74cd-b567-6ca59b13ec74" }, { "id": "chg_01a0238f-5238-7a19-9c28-54267d19d29e", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-21", "occurred_at": "2026-08-21 09:03:10.174618+00", "observed_since": "2026-08-20", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0238f-5238-7a19-9c28-54267d19d29e" }, { "id": "chg_01a01e68-eff9-7cd3-904e-5d7a43290637", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-20", "occurred_at": "2026-08-20 09:03:08.731167+00", "observed_since": "2026-08-19", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01e68-eff9-7cd3-904e-5d7a43290637" }, { "id": "chg_01a01e68-effa-7aaf-9a80-2328ddb63bc4", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-20", "occurred_at": "2026-08-20 09:03:08.731167+00", "observed_since": "2026-08-19", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01e68-effa-7aaf-9a80-2328ddb63bc4" }, { "id": "chg_01a01e68-effa-7f21-b501-e240e1bb94ed", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-20", "occurred_at": "2026-08-20 09:03:08.731167+00", "observed_since": "2026-08-19", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01e68-effa-7f21-b501-e240e1bb94ed" }, { "id": "chg_01a01e68-effb-73c7-a9e6-68f2808cbb37", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-20", "occurred_at": "2026-08-20 09:03:08.731167+00", "observed_since": "2026-08-19", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01e68-effb-73c7-a9e6-68f2808cbb37" }, { "id": "chg_01a01e68-effb-7861-9260-2b54dac7cf51", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-20", "occurred_at": "2026-08-20 09:03:08.731167+00", "observed_since": "2026-08-19", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01e68-effb-7861-9260-2b54dac7cf51" }, { "id": "chg_01a01942-d8b9-7cf1-aaad-f3eff7cbcb06", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-19", "occurred_at": "2026-08-19 09:03:26.237039+00", "observed_since": "2026-08-18", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01942-d8b9-7cf1-aaad-f3eff7cbcb06" }, { "id": "chg_01a01942-d8ba-7b15-a9d4-8a43e8cefe3b", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-19", "occurred_at": "2026-08-19 09:03:26.237039+00", "observed_since": "2026-08-18", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01942-d8ba-7b15-a9d4-8a43e8cefe3b" }, { "id": "chg_01a01942-d8bb-7212-a4b6-5a728ad346e2", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-19", "occurred_at": "2026-08-19 09:03:26.237039+00", "observed_since": "2026-08-18", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01942-d8bb-7212-a4b6-5a728ad346e2" }, { "id": "chg_01a01942-d8bb-77b5-ad29-0370aeab5f2f", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-19", "occurred_at": "2026-08-19 09:03:26.237039+00", "observed_since": "2026-08-18", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01942-d8bb-77b5-ad29-0370aeab5f2f" }, { "id": "chg_01a01942-d8bc-7824-b242-05f64802f459", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-19", "occurred_at": "2026-08-19 09:03:26.237039+00", "observed_since": "2026-08-18", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a01942-d8bc-7824-b242-05f64802f459" }, { "id": "chg_01a0141c-6520-7b9d-978b-4f531dd5d542", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx" }, "occurred_on": "2026-08-18", "occurred_at": "2026-08-18 09:03:20.265728+00", "observed_since": "2026-08-17", "source": "scan", "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0141c-6520-7b9d-978b-4f531dd5d542" }, { "id": "chg_01a0141c-6521-7cc3-85e6-4d89bfeb2947", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_beta", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_beta" }, "occurred_on": "2026-08-18", "occurred_at": "2026-08-18 09:03:20.265728+00", "observed_since": "2026-08-17", "source": "scan", "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0141c-6521-7cc3-85e6-4d89bfeb2947" }, { "id": "chg_01a0141c-6522-71c3-9f38-547ab13fa0ed", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "ask_pipeworx_grounded", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "ask_pipeworx_grounded" }, "occurred_on": "2026-08-18", "occurred_at": "2026-08-18 09:03:20.265728+00", "observed_since": "2026-08-17", "source": "scan", "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0141c-6522-71c3-9f38-547ab13fa0ed" }, { "id": "chg_01a0141c-6522-7687-8b59-91235a457ec0", "kind": "tool.description_changed", "family": "", "subject_kind": "tool", "subject": "deep_research", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": { "tool": "deep_research" }, "occurred_on": "2026-08-18", "occurred_at": "2026-08-18 09:03:20.265728+00", "observed_since": "2026-08-17", "source": "scan", "summary": "Tool “deep_research” rewrote its description, which is the text the model reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0141c-6522-7687-8b59-91235a457ec0" }, { "id": "chg_01a0141c-6522-7bb8-aeb5-2e253dcee1b7", "kind": "server.instructions_changed", "family": "", "subject_kind": "server", "subject": "instructions", "subject_child": "", "from_code": null, "to_code": null, "from_value": null, "to_value": null, "materiality": "security", "direction": "neutral", "score_delta": null, "detail": {}, "occurred_on": "2026-08-18", "occurred_at": "2026-08-18 09:03:20.265728+00", "observed_since": "2026-08-17", "source": "scan", "summary": "The server rewrote its instructions, which are the text every model session reads", "link": "https://verifymcp.io/servers/pipeworx-io-pubchem/pubchem-mcp#chg-chg_01a0141c-6522-7bb8-aeb5-2e253dcee1b7" } ], "days": [ { "date": "2026-09-20", "total": 41, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-19", "total": 41, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-18", "total": 41, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-17", "total": 41, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-16", "total": 41, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-15", "total": 41, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-14", "total": 41, "delta": 0, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 1 }, { "date": "2026-09-13", "total": 41, "delta": -43, "tracked": true, "explained": true, "beyond_event_horizon": false, "attribution": null, "event_count": 8 } ] }