# Marrow AI: Control Layer for AI Agents (slim) > Marrow AI: Control Layer for AI Agents, an MCP server by getmarrow.ai, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. A named yes before your AI agent acts, plus proof the next agent can reuse. Works in any MCP client. - Full: https://www.anchorterminal.com/tools/getmarrow-marrow.md (~450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/tools/getmarrow-marrow.json · canonical https://www.anchorterminal.com/tools/getmarrow-marrow - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09 # Marrow AI: Control Layer for AI Agents > 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 getmarrow.ai (https://getmarrow.ai/marrow-for-mcp) - Listed because: It's published in the registry under getmarrow.ai, a namespace the registry only gives to whoever proves they control that domain. It's in real use: 1,243 npm downloads a week, 6 GitHub stars. - What the official MCP registry says: A named yes before your AI agent acts, plus proof the next agent can reuse. Works in any MCP client. ## Facts - MCP registry: `ai.getmarrow/marrow` 3.9.99 - Package: npm `@getmarrow/mcp` (stdio) - Source: https://github.com/getmarrow/marrow-mcp - Website: https://getmarrow.ai/marrow-for-mcp - npm downloads a week: 1,243 - GitHub stars: 6 - Registry entry updated: 2026-10-08 - JSON: https://www.anchorterminal.com/api/v1/tools/getmarrow-marrow.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming