MCPLow riskUnclaimed
Nacre
Self-hosted permission-aware context layer. Search returns only what the caller may read.
nacre.worknacre.work/nacre
server.json
{
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"name": "work.nacre/nacre",
"description": "Self-hosted permission-aware context layer. Search returns only what the caller may read.",
"title": "Nacre",
"repository": {
"url": "https://github.com/nacre-work/nacre",
"source": "github"
},
"version": "0.26.4",
"websiteUrl": "https://nacre.work",
"packages": [
{
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"identifier": "@nacre.work/mcp",
"version": "0.26.4",
"transport": {
"type": "stdio"
},
"environmentVariables": [
{
"description": "Service-account key for STDIO mode. The server also needs the deployment's full environment (database and backend configuration) - see docs/mcp.md; the key alone is not enough to start it.",
"isRequired": true,
"format": "string",
"isSecret": true,
"name": "NACRE_SERVICE_KEY"
}
]
}
]
}Permissions
DeclaredDetected
Runs code—
nodeInstalls—
npm:@nacre.work/mcp@0.26.4Runs install scripts—None
NetworkNoneNone
Needs credentials
NACRE_SERVICE_KEYNACRE_SERVICE_KEYOutside the workspace—None
Agent tools—None
Checks
Low risk · Nothing worth a warning was found.
Not reviewed by a person · Checked by rules; the model review is not switched on yet.
Versions
- #10.26.4latestOct 7, 2026
NacreOpen in Codeg