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Nacre MCP Server — Install for Claude, Cursor & VS Code | MCPpedia
Home / Servers / Nacre N Nacre MCP Server Self-hosted permission-aware context layer. Search returns only what the caller may read.
55 Fair Install Claude Desktop Claude Code Cursor VS Code Windsurf Zed Cline ChatGPT Goose Continue
~/Library/Application Support/Claude/claude_desktop_config.json Copy
{
"mcpServers": {
"nacre-work-nacre": {
"command": "npx",
"args": [
"-y",
"@nacre.work/mcp@0.26.4"
],
"env": {
"NACRE_SERVICE_KEY": "YOUR_NACRE_SERVICE_KEY"
}
}
}
}Related servers F MCP server for Firecrawl — web search, scraping, and biomedical/arXiv paper search.
Environment Name Required Notes NACRE_SERVICE_KEY Yes 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. Secret.
Tools show up when the registry metadata or the repository README lists them. GitHub enrichment fills this in when a token is configured.
About Self-hosted permission-aware context layer. Search returns only what the caller may read.
FAQ
What is Nacre? Self-hosted permission-aware context layer. Search returns only what the caller may read.
How do I install Nacre? Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.
Is Nacre official? No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.
How is the trust score calculated? This listing scores 55 (Fair). The formula is published on the methodology page. Reviews 0 published · no average
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Updated Sep 25, 2026
Last commit Unknown Good
Search, read, annotate, and add to your Zotero research library, local or web.
H Local-first agentic RAG with citations - hybrid search, reranking, multimodal document retrieval
M Local-first, cloud-friendly memory — 100+ tools, 99.2% LongMemEval-S retrieval@8, hybrid search.
D Crawl documentation sites into local corpora agents can search, read, and diff fully offline.
O Secure MCP access to Onyx search, chat, projects, and administration.