# Nacre (slim)

> Nacre, an MCP server by nacre.work, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Self-hosted permission-aware context layer. Search returns only what the caller may read.

- Full: https://www.anchorterminal.com/tools/nacre.md (~450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/tools/nacre.json · canonical https://www.anchorterminal.com/tools/nacre
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

# Nacre

> 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 nacre.work (https://nacre.work)
- Listed because: It's published in the registry under nacre.work, a namespace the registry only gives to whoever proves they control that domain. It's in real use: 1,253 npm downloads a week, 1 GitHub stars.
- What the official MCP registry says: Self-hosted permission-aware context layer. Search returns only what the caller may read.

## Facts

- MCP registry: `work.nacre/nacre` 0.26.4
- Package: npm `@nacre.work/mcp` (stdio)
- Source: https://github.com/nacre-work/nacre
- Website: https://nacre.work
- npm downloads a week: 1,253
- GitHub stars: 1
- Registry entry updated: 2026-09-25

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