# Gaffer (slim) > 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. - Full: https://www.anchorterminal.com/tools/gaffer-mcp.md (~450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/tools/gaffer-mcp.json · canonical https://www.anchorterminal.com/tools/gaffer-mcp - Index: https://www.anchorterminal.com/llms.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