revert: remove duplicate PostHog plugin (#431) - #436
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PostHog already publishes an APPROVED plugin in the public marketplace (id 730, from github.com/PostHog/ai-plugin) pointing at the same server, https://mcp.posthog.com/mcp. Two APPROVED plugins named posthog would collide in the indexer and show two cards. PGT-4565 is redirected to making PostHog's own plugin visible in Grok Bot.
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Sep 25, 2026
Re-adds the URL-only PostHog connector removed in cursor#436 under the name posthog-mcp / PostHog MCP. The bare posthog name belongs to PostHog's own approved marketplace plugin (id 730), and two APPROVED plugins with one name collide in the indexer. Same server (https://mcp.posthog.com/mcp), same OAuth via oauth.posthog.com with PKCE + DCR verified for every Cursor redirect set incl. Grok Bot mobile.
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Why
PostHog already publishes an APPROVED plugin in cursor-public — id 730,
posthog/ PostHog, from PostHog/ai-plugin (v1.1.59) — pointing at the same serverhttps://mcp.posthog.com/mcp, with skills, commands, hooks and agents bundled. #431 (landed via the #432 stack) duplicates it: two APPROVED plugins namedposthogin marketplace 34 would collide in the indexer and show two cards.What this does
third_party/posthogand itsmarketplace.jsonentry. Buffer, Plaud, Trello, beehiiv, TinyFish are untouched (a mechanicalgit revert -m 1of the stack merge would also have removed Buffer, so this is a targeted removal).node scripts/validate-plugins.mjspasses.Follow-up
Linear PGT-4565 becomes "make PostHog plugin 730 visible in Grok Bot" — contribution to PostHog/ai-plugin rather than a new plugin here.
Note
Low Risk
Catalog-only removal of a redundant plugin; no runtime or auth logic changes in this repo.
Overview
Removes the duplicate in-repo PostHog integration so the marketplace does not list two approved plugins with the same name and MCP endpoint (
https://mcp.posthog.com/mcp).The
posthogentry is dropped from.cursor-plugin/marketplace.json, and the wholethird_party/posthogpackage is deleted (plugin manifest, MCP config, README, changelog, and license). Other third-party plugins in that stack (e.g. Buffer, Plaud) are unchanged.Reviewed by Cursor Bugbot for commit 1c0b267. Bugbot is set up for automated code reviews on this repo. Configure here.