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Observability MCPnpmhigh schema drift risk

@posthog/mcp

Posthog MCP by Posthog

PostHog SDK for Model Context Protocol (MCP) servers - tracks tool usage, intent, and identity

Live Registry Versionv0.23.0Previous: v0.22.3Published 2026-10-19
Stability Grade
C+ (65/100)
90-Day Velocity
43 releases
High release cadence
Dependencies
1 direct
NPM manifest
License
MIT
Verified on NPM
Recommended Exact Pin: npx -y @posthog/mcp@0.23.0
TL;DR Verdict & Quick Citation Summary (2026-10-24)Source: AgentBreakWatch Live NPM Index

Posthog MCP (@posthog/mcp) is currently at v0.23.0 on NPM (published 2026-10-19), with a 90-day stability score of 65/100 (C+) and HIGH schema drift risk across 43 releases in the past 90 days. recent release v0.23.0 (up from v0.22.3) updates Observability MCP tool schemas and transport handling (43 releases in last 90d). Pin exact version v0.23.0 in .mcp.json to avoid silent parameter drift. Production teams should pin npx -y @posthog/mcp@0.23.0 rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

recent release v0.23.0 (up from v0.22.3) updates Observability MCP tool schemas and transport handling (43 releases in last 90d). Pin exact version v0.23.0 in .mcp.json to avoid silent parameter drift.

Watched Exports / MCP Tool Signatures:
tools/listtools/callmcp
Before (Deprecated / Unpinned Pattern)
"posthog-mcp": {
  "command": "npx",
  "args": ["-y", "@posthog/mcp@latest"]
}
After (Verified v0.23.0 Pattern)
"posthog-mcp": {
  "command": "npx",
  "args": ["-y", "@posthog/mcp@0.23.0"]
}

Frequently Asked Questions: @posthog/mcp

What is the latest version of @posthog/mcp on NPM?

As of 2026-10-24, the latest stable version of @posthog/mcp (Posthog MCP by Posthog) on NPM is v0.23.0, published on 2026-10-19. It has shipped 43 releases in the last 90 days.

Does @posthog/mcp v0.23.0 have breaking changes or MCP schema drift risk?

@posthog/mcp currently carries a HIGH schema drift risk rating with a Stability Score of 65/100 (Grade C+). recent release v0.23.0 (up from v0.22.3) updates Observability MCP tool schemas and transport handling (43 releases in last 90d). Pin exact version v0.23.0 in .mcp.json to avoid silent parameter drift.

How do I safely pin @posthog/mcp in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `npx -y @posthog/mcp@0.23.0` and monitor tools/list, tools/call, mcp for parameter or schema changes.

30-Min Registry & Schema Poller

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