<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>io.github.cyanheads/bluesky-mcp-server · bluesky · 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/cyanheads-bluesky-mcp-server/bluesky.xml" rel="self" type="application/rss+xml"/><item><title>[SECURITY] bluesky: Stability (0.97 → pass)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_01a0841f-fca5-7bf7-bad3-0d6f7bb24721</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_01a0841f-fca5-7bf7-bad3-0d6f7bb24721</guid><description>Stability (0.97 → pass). Compared against 2026-09-08.</description><pubDate>Wed, 09 Sep 2026 03:04:43 GMT</pubDate><category>security</category><category>neutral</category><category>check.verdict</category></item><item><title>[SECURITY] bluesky: Stability (0.97 → pass)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_01a036e0-2b4c-727d-a2fb-6bf4c734c687</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_01a036e0-2b4c-727d-a2fb-6bf4c734c687</guid><description>Stability (0.97 → pass). Compared against 2026-08-24.</description><pubDate>Tue, 25 Aug 2026 03:04:15 GMT</pubDate><category>security</category><category>neutral</category><category>check.verdict</category></item><item><title>[SECURITY] bluesky: HSTS header (fail → pass)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fe9a1-4489-75d9-baed-7a68d67ac23a</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fe9a1-4489-75d9-baed-7a68d67ac23a</guid><description>HSTS header (fail → pass). Compared against 2026-08-09.</description><pubDate>Mon, 10 Aug 2026 03:04:47 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] bluesky: Transport (fail → pass)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fe9a1-448a-7db3-8a04-5a491f7752b5</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fe9a1-448a-7db3-8a04-5a491f7752b5</guid><description>Transport (fail → pass). Compared against 2026-08-09.</description><pubDate>Mon, 10 Aug 2026 03:04:47 GMT</pubDate><category>security</category><category>improvement</category><category>check.verdict</category></item><item><title>[SECURITY] bluesky: Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 7 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fe9a1-448b-7ac0-9f56-55548d300b50</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fe9a1-448b-7ac0-9f56-55548d300b50</guid><description>Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 7 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.). Compared against 2026-08-09.</description><pubDate>Mon, 10 Aug 2026 03:04:47 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item><item><title>[SECURITY] bluesky: Endpoint reachability (reachable → not serving MCP)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5886-7f0b-84c8-3b3aef4f87fa</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5886-7f0b-84c8-3b3aef4f87fa</guid><description>Endpoint reachability (reachable → not serving MCP). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 03:04:34 GMT</pubDate><category>security</category><category>regression</category><category>capture.status_changed</category></item><item><title>[SECURITY] bluesky: Transport (pass → fail)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5883-7a53-a5e2-b2709db4b627</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5883-7a53-a5e2-b2709db4b627</guid><description>Transport (pass → fail). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 03:04:34 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] bluesky: Stability (0.40 → unverified)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5884-7c85-834a-5f1656489692</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5884-7c85-834a-5f1656489692</guid><description>Stability (0.40 → unverified). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 03:04:34 GMT</pubDate><category>security</category><category>regression</category><category>check.unverifiable</category></item><item><title>[SECURITY] bluesky: HSTS header (pass → fail)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5885-72c8-b4cb-4de71e871f1b</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5885-72c8-b4cb-4de71e871f1b</guid><description>HSTS header (pass → fail). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 03:04:34 GMT</pubDate><category>security</category><category>regression</category><category>check.verdict</category></item><item><title>[SECURITY] bluesky: Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn&apos;t read the tool list to see what that exposes.)</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5885-7bf1-9b57-bef535a25a17</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fdf54-5885-7bf1-9b57-bef535a25a17</guid><description>Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn&apos;t read the tool list to see what that exposes.). Compared against 2026-08-07.</description><pubDate>Sat, 08 Aug 2026 03:04:34 GMT</pubDate><category>security</category><category>neutral</category><category>check.reason</category></item><item><title>[SECURITY] bluesky: Tool “bsky_get_profile” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba50-3e15-7359-a25b-6f45160d4996</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba50-3e15-7359-a25b-6f45160d4996</guid><description>Tool “bsky_get_profile” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 22:34:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] bluesky: Tool “bsky_get_follows” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba50-3e0f-7746-b06e-0f69368868cc</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba50-3e0f-7746-b06e-0f69368868cc</guid><description>Tool “bsky_get_follows” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 22:34:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] bluesky: Tool “bsky_search_actors” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba50-3e15-7e13-8620-78af6572a957</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba50-3e15-7e13-8620-78af6572a957</guid><description>Tool “bsky_search_actors” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 22:34:08 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] bluesky: Tool “bsky_search_posts” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba18-80de-78ce-b035-54b6c3c89655</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fba18-80de-78ce-b035-54b6c3c89655</guid><description>Tool “bsky_search_posts” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 21:33:15 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] bluesky: The server rewrote its instructions, which are the text every model session reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb9e0-b78d-7091-a4ae-faf81ab1fa74</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb9e0-b78d-7091-a4ae-faf81ab1fa74</guid><description>The server rewrote its instructions, which are the text every model session reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 20:32:19 GMT</pubDate><category>security</category><category>neutral</category><category>server.instructions_changed</category></item><item><title>[SECURITY] bluesky: Tool “bsky_get_trending” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb9a8-d71b-77f4-83e1-23edfb8c2f36</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb9a8-d71b-77f4-83e1-23edfb8c2f36</guid><description>Tool “bsky_get_trending” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 19:31:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] bluesky: Tool “bsky_get_author_feed” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb9a8-d71a-78ad-960e-5ad620aeb1a8</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb9a8-d71a-78ad-960e-5ad620aeb1a8</guid><description>Tool “bsky_get_author_feed” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 19:31:17 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item><item><title>[SECURITY] bluesky: Tool “bsky_get_post_thread” rewrote its description, which is the text the model reads</title><link>https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb939-0726-7043-a050-c0cc19dd32c1</link><guid isPermaLink="true">https://verifymcp.io/servers/cyanheads-bluesky-mcp-server/bluesky#chg-chg_019fb939-0726-7043-a050-c0cc19dd32c1</guid><description>Tool “bsky_get_post_thread” rewrote its description, which is the text the model reads. Compared against 2026-07-31.</description><pubDate>Fri, 31 Jul 2026 17:29:10 GMT</pubDate><category>security</category><category>neutral</category><category>tool.description_changed</category></item></channel></rss>