<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Merriam Webster · merriam-webster-mcp · changes | VerifyMCP</title><description>Recorded changes to this MCP component: tools, parameters, capabilities, advisories and trust-score checks. Security-relevant changes by default; append ?materiality=all for everything.</description><link>https://verifymcp.io</link><atom:link href="https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp/changelog.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] merriam-webster-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5ec-72ab-aba2-cffd5c661b68</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5ec-72ab-aba2-cffd5c661b68</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 02:03:31 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5eb-780e-a8c9-f0fc57c69322</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5eb-780e-a8c9-f0fc57c69322</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 02:03:31 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5eb-730b-ba6f-c514ed097f8d</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5eb-730b-ba6f-c514ed097f8d</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 02:03:31 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5ea-7d5f-8b58-be85c5775aad</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5ea-7d5f-8b58-be85c5775aad</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 02:03:31 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5ea-7282-a7b7-07a036696beb</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc55c-a5ea-7282-a7b7-07a036696beb</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-02.</description><pubDate>Mon, 03 Aug 2026 02:03:31 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea2-7487-b9eb-11ba71226ca2</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea2-7487-b9eb-11ba71226ca2</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 02:06:20 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea2-7aa6-8e52-f814f6475386</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea2-7aa6-8e52-f814f6475386</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 02:06:20 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea3-782a-ab74-420562a8e171</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea3-782a-ab74-420562a8e171</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 02:06:20 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea3-743f-9015-385fcfef17d7</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea3-743f-9015-385fcfef17d7</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 02:06:20 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea2-7f11-bd52-8ef2ddf1daf5</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fc038-dea2-7f11-bd52-8ef2ddf1daf5</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-08-01.</description><pubDate>Sun, 02 Aug 2026 02:06:20 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c822-7dc7-8936-a1ee8a14a0e9</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c822-7dc7-8936-a1ee8a14a0e9</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 02:05:32 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c824-75c4-b82f-88c9786429ba</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c824-75c4-b82f-88c9786429ba</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 02:05:32 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c824-701c-86cd-4d649d34d485</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c824-701c-86cd-4d649d34d485</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 02:05:32 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c823-7a18-a21f-f085cee5725d</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c823-7a18-a21f-f085cee5725d</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 02:05:32 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c823-7430-956c-b16ce7de1503</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c823-7430-956c-b16ce7de1503</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 02:05:32 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c822-70e1-8fb8-4102dcc85f6a</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019fbb11-c822-70e1-8fb8-4102dcc85f6a</guid><description>Authorization (fail → unverified). Compared against 2026-07-31.</description><pubDate>Sat, 01 Aug 2026 02:05:32 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f97-754f-8367-ad87de0126d1</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f97-754f-8367-ad87de0126d1</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:46:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f97-713e-92dc-eb6a6a968fad</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f97-713e-92dc-eb6a6a968fad</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:46:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f96-7bce-af47-1951b7f4ef52</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f96-7bce-af47-1951b7f4ef52</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:46:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f96-7596-b47a-436dfc06c051</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f96-7596-b47a-436dfc06c051</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:46:51 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f97-7a07-bb9c-9abf692ea8ba</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f97-7a07-bb9c-9abf692ea8ba</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:46:51 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[CRITICAL] merriam-webster-mcp: Authorization (unverified → fail)</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f93-7232-8de7-940ea0e65410</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faefc-7f93-7232-8de7-940ea0e65410</guid><description>Authorization (unverified → fail). Compared against 2026-07-28.</description><pubDate>Wed, 29 Jul 2026 17:46:51 GMT</pubDate><category>critical</category><category>regression</category><category>check.reverified</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f4f-7a5e-8b37-09dae1d36fa4</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f4f-7a5e-8b37-09dae1d36fa4</guid><description>Tool “ask_pipeworx” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 18:36:11 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f51-75c0-a939-161ff48bd77e</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f51-75c0-a939-161ff48bd77e</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 18:36:11 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “deep_research” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f50-7eb6-bec3-4af293771d25</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f50-7eb6-bec3-4af293771d25</guid><description>Tool “deep_research” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 18:36:11 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f50-732f-bb1a-1b8f0b67ff8b</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f50-732f-bb1a-1b8f0b67ff8b</guid><description>Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 18:36:11 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f4f-7e15-89d8-378629fd9871</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f4f-7e15-89d8-378629fd9871</guid><description>Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads. Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 18:36:11 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] merriam-webster-mcp: Authorization (fail → unverified)</title><link>https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f4f-747d-ab97-b05884a90634</link><guid isPermaLink="true">https://verifymcp.io/servers/pipeworx-io-merriam-webster/merriam-webster-mcp#chg-chg_019faa03-4f4f-747d-ab97-b05884a90634</guid><description>Authorization (fail → unverified). Compared against 2026-07-27.</description><pubDate>Tue, 28 Jul 2026 18:36:11 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item></channel></rss>