# MCP Hook Conformance (slim) > MCP Hook Conformance, an MCP server by studiomeyer.io, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Audits MCP servers for Claude Code mcp_tool hook readiness: idempotency, latency, side-effects. - Full: https://www.anchorterminal.com/tools/studiomeyer-hook-conformance.md (~450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/tools/studiomeyer-hook-conformance.json · canonical https://www.anchorterminal.com/tools/studiomeyer-hook-conformance - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # MCP Hook Conformance > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by studiomeyer.io (https://studiomeyer.io) - Category: Model APIs & inference (https://www.anchorterminal.com/categories/inference.md) - Listed because: It's published in the registry under studiomeyer.io, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Audits MCP servers for Claude Code mcp\_tool hook readiness: idempotency, latency, side-effects. ## Facts - MCP registry: `io.studiomeyer/hook-conformance` 0.1.3 - Package: npm `mcp-hook-conformance` (stdio) - Source: https://github.com/studiomeyer-io/mcp-hook-conformance - npm downloads a week: 69 - GitHub stars: 0 - Registry entry updated: 2026-08-19 - JSON: https://www.anchorterminal.com/api/v1/tools/studiomeyer-hook-conformance.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming