# Gaffer > Gaffer, an MCP server by gaffer.sh, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Test analytics for AI agents: test history, flaky tests, failure clusters, coverage. - Canonical: https://www.anchorterminal.com/tools/gaffer-mcp - Markdown: https://www.anchorterminal.com/tools/gaffer-mcp.md (~450 tokens) - Slim: https://www.anchorterminal.com/tools/gaffer-mcp.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/tools/gaffer-mcp.json (this page as data, same URL with Accept: application/json) - Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt) - API: https://www.anchorterminal.com/api/v1/index.json - Updated: 2026-10-05 # Gaffer > 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 gaffer.sh (https://gaffer.sh/docs/mcp/) - Listed because: It's published in the registry under gaffer.sh, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Test analytics for AI agents: test history, flaky tests, failure clusters, coverage. ## Facts - MCP registry: `sh.gaffer/mcp` 0.9.0 - Package: npm `@gaffer-sh/mcp` (stdio) - Source: https://github.com/gaffer-sh/mcp - Website: https://gaffer.sh/docs/mcp/ - npm downloads a week: 41 - GitHub stars: 1 - Registry entry updated: 2026-08-11 - JSON: https://www.anchorterminal.com/api/v1/tools/gaffer-mcp.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming