# Marrow (slim)

> Marrow (id.marrow/marrow), an MCP server by marrow.id, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Evidence-grounded, graph-connected, correctable memory for agents.

- Full: https://www.anchorterminal.com/tools/marrow.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/marrow.json · canonical https://www.anchorterminal.com/tools/marrow
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

# Marrow

> 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 marrow.id (https://docs.marrow.id/integrations/app-context)
- Category: Agent memory (https://www.anchorterminal.com/categories/agent-memory.md)
- Listed because: It's published in the registry under marrow.id, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Evidence-grounded, graph-connected, correctable memory for agents.

## Facts

- MCP registry: `id.marrow/marrow` 1.0.10
- Endpoint: https://mcp.marrow.id (streamable HTTP)
- Package: npm `@marrowid/cli` (stdio)
- Website: https://docs.marrow.id/integrations/app-context
- npm downloads a week: 45
- Registry entry updated: 2026-07-23

## Tools

- Tools: couldn't list them, HTTP 503 (checked 2026-10-04 22:25 UTC)

- JSON: https://www.anchorterminal.com/api/v1/tools/marrow.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming