PostHog with OHarness
- Connecteur
- Plugin
- Monitoring et analytique
Product analytics, feature flags, experiments, error tracking and session replay. OHarness works with PostHog out of the box — sign in once in your browser and its tools are in every session.
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What you get
| MCP connector | Product analytics, feature flags, experiments and error tracking. Remote, over streamable HTTP at https://mcp.posthog.com/mcp. |
| Plugin | 161 skills, 1 agent, 1 MCP server and hooks. MCP servers: posthog. |
| Published by | PostHog |
| Pinned source | PostHog/ai-plugin@e0fbf5e |
How it signs in
Through your browser, the first time a session uses it. The server answers with a sign-in challenge, OHarness discovers PostHog’s authorization server and registers itself there on the spot, and the tokens land in ~/.oharness/auth.json, readable only by you. Nothing to paste, and nothing stored by us.
Try it
Once PostHog is connected, a first prompt to see it work:
Pull the top errors from PostHog for the last 24 hours and group them by likely cause.
Adding it
- Download OHarness for the Mac, or install the CLI anywhere Node runs.
- In the composer, open the + menu and find PostHog under Connectors or Plugins.
- Pick it and sign in when the browser opens. Its tools are available from the next turn.
Links
- PostHog website
- PostHog MCP server documentation
- Plugin homepage
- The pinned source, PostHog/ai-plugin@e0fbf5e
Common questions
Does OHarness work with PostHog?
Yes. PostHog ships in OHarness as both an MCP connector and a plugin, so it is in the menu on first launch with nothing to look up.
How does the PostHog connector sign in?
Through your browser. The first request is answered with a sign-in challenge, OHarness registers itself with PostHog's authorization server on the spot, and the tokens are kept on your machine in auth.json, readable only by you. There is no key to paste.
What does the PostHog plugin install?
161 skills, 1 agent, 1 MCP server and hooks. It is installed from PostHog/ai-plugin at commit e0fbf5e, the exact version OHarness was checked against, rather than whatever is on a branch today.
Is OHarness affiliated with PostHog?
No. OHarness works with PostHog through its public MCP server; PostHog and its logo belong to PostHog.
More in monitoring & analytics
Amplitude · Datadog · Grafana Cloud · Honeycomb · Langfuse · Sentry
PostHog and its logo belong to PostHog. Listed because OHarness works with it, not because PostHog endorses OHarness.
Use PostHog from OHarness
The same PostHog tools in every session, whichever of the model providers is underneath.