Gnosis MCP Server

Stop pasting files into context. Your AI agent searches your local docs instead. 5–10× fewer tokens per lookup. 92 % Hit@5 on real dev docs. Zero cloud dependencies.. Exposed over MCP by the gnosis mcp mcp server, that capability becomes something an assistant can invoke while it works, not something you go and do afterwards.

What it actually does

• Zero config — — SQLite by default, pip install and go
• Hybrid search — — keyword (BM25) + semantic (local ONNX embeddings, no API key). Tune RRF fusion with GNOSIS_MCP_RRF_K
• Cross-encoder reranking — — optional [reranking] extra with a 22M-param ONNX model. Off by default. Test on your own corpus before enabling — the bundled MS-MARCO reranker hurts dev-doc retrieval in our measurements
• Git history — — ingest commit messages as searchable context (ingest-git)
• Web crawl — — ingest documentation from any website via sitemap or link crawl
• Multi-format — — .md .txt .ipynb .toml .csv .json + optional .rst .pdf

Its toolset

Everything the assistant can do here goes through one of these:

• Endpoint — Returns
• search_docs — Search by keyword or hybrid semantic+keyword
• get_doc — Retrieve a full document by path
• get_related — Find linked/related documents (multi-hop, relation type filtering)
• search_git_history — Search indexed git commit history
• get_context — Usage-weighted context summary
• get_graph_stats — Knowledge graph topology: orphans, hubs, relation distribution
• upsert_doc — Create or replace a document
• delete_doc — Remove a document and its chunks
• update_metadata — Change title, category, tags

Configuration

You will need 3 environment variables: GNOSIS_MCP_DATABASE_URL, GNOSIS_MCP_API_KEY, GNOSIS_MCP_EMBED_API_KEY. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.

Adding it to your client

Being a remote server, there is no local install. You register the endpoint with your client, authorise it once, and the tools appear.

When to reach for it

Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Gnosis MCP's toolset — Endpoint, search_docs, get_doc and 7 more — is a fair guide to whether it matches your workflow. It is maintained by nicholasglazer; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Gnosis MCP's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Caveats

• Your data travels to the provider's service, so the usual questions apply about what you send and what they retain.
• With 10 tools registered it takes up a noticeable share of the context window; turn it off in projects that never touch Gnosis MCP.
• Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
• MCP clients confirm each tool call by default. Leave that on until you have watched what the gnosis mcp mcp server does with a few real requests.