Gnosis MCP server
io.github.nicholasglazer/gnosis·v0.17.5·29 starsZero-config MCP server for searchable documentation. SQLite or PostgreSQL.
29 stars151 downloads/wk
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
Gnosis MCP tools (9, 3 write)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
delete_docwrite actionDelete a document and all its chunks. Requires GNOSIS_MCP_WRITABLE=true.
get_contextGet the most important documents as a lightweight context primer.
get_docGet full document content by file path. Reassembles all chunks in order.
get_graph_statsGet knowledge graph topology: orphans, hubs, connection stats.
get_relatedFind documents related to a given path via incoming and outgoing links.
search_docsSearch documentation using keyword or hybrid semantic+keyword search.
search_git_historySearch git commit history documents. Searches the git-history category.
update_metadatawrite actionUpdate metadata fields on all chunks of a document. Requires GNOSIS_MCP_WRITABLE=true.
upsert_docwrite actionInsert or replace a document. Requires GNOSIS_MCP_WRITABLE=true.
Public scan report
scanner v0.1.10 · 2026-10-15 · same rubric, same numbers if you re-run it
- Code scan28 source files scanned20/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Findings (1)
- mediumeval / new Function used
exec.evalgnosis_mcp-0.17.5/src/gnosis_mcp/cli.py: …ser("eval", help="Run retrieval quality eval (Hit@K, MRR, Precision@K)") p_eval.ad…
How Gnosis MCP compares
Against every graded Databases MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 85/100
- higher than 65% of 802 Databases servers
- Tools
- 9
- the typical Databases server has 8
- Tools that change things
- 33%
- typical: 10%. Fewer write tools means less an agent can break
- GitHub stars
- 29
- more than 86% of 602 Databases servers
- Downloads a week
- 151
- more than 66% of 328 Databases servers with a package
What its tools let an agent do: 6 read · 2 change · 1 delete
Install Gnosis MCP in Claude Code, Cursor or VS Code
claude mcp add gnosis -- uvx gnosis-mcp
What the publisher says
From the Gnosis MCP repository's README, as published. We do not edit it. Read it on GitHub
<!-- mcp-name: io.github.nicholasglazer/gnosis -->
Gnosis MCP
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.
Quick Start · Documentation · Tools · Configuration · Full Reference
Ingest docs → Search with highlights → Stats overview → Serve to AI agents
Without a docs server
- LLMs hallucinate API signatures that don't exist
- Entire files dumped into context — 3,000–15,000 tokens per doc
- Architecture decisions buried across dozens of files
- Every repeated lookup pays full context cost
With Gnosis MCP
- search_docs returns ranked, highlighted excerpts — typically 300–800 tokens
- Real answers grounded in your actual docs, not guesses from training data
- One local index across hundreds of files — instant multi-doc search
- 5–10× token savings per lookup when your corpus covers the question
What makes gnosis-mcp different
- Your data stays on your machine. SQLite by default, PostgreSQL at scale — nothing leaves the host.
- Index anything that's docs-shaped. Markdown, git commit history, crawled websites — one index, one search API.
- Measured, not marketed. Ships BEIR SciFact numbers (0.671 nDCG@10 — within 1 % of the Lucene BM25 baseline), a reproducible eval harness (gnosis-mcp eval), and a chunk-size sweep showing where the quality plateau actually sits.
Full side-by-side vs Context7 / docs-mcp-server / mcp-local-rag: gnosismcp.com#compare.
Features
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Grade history
- 2026-09-19restoreB → Ascore 85: eval / new Function used
Gnosis MCP: common questions
- Is Gnosis MCP server safe?
- Yes, by our scan: it is graded A (85/100). Read the Gnosis MCP safety report
- How do I install Gnosis MCP?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does Gnosis MCP need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Gnosis MCP maintained?
- The last commit was 20 days ago (2026-10-15). The latest release is v0.17.5.
- What can I use instead of Gnosis MCP?
- Servers from other publishers that do the same job: DBHub MCP server, Faucet MCP server and memo MCP server. Compare all Gnosis MCP alternatives.
- How does Gnosis MCP compare with other Databases MCP servers?
- safety score 85/100 (higher than 65% of 802 Databases servers); tools 9 (the typical Databases server has 8); tools that change things 33% (typical: 10%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to Gnosis MCP
Same job from other publishers: the closest match first, then the best rated.
- DBHubToken-efficient database MCP server for PostgreSQL, MySQL, MariaDB, SQL Server, Oracle, SQLitenot reviewedWidely usedA
- FaucetSQL database to MCP tools and REST API: PostgreSQL, MySQL, SQL Server, Oracle, SQLite, Snowflake.not reviewedEstablishedA
- memoMemory for AI agents — MLX (Apple Silicon) or CPU (Linux), sqlite-vec + BM25, zero cloud.not reviewedGrowingA
NeoSQL MCPSchemas, SQL, ERDs, and codegen for PostgreSQL, MySQL, Oracle, SQLite, and more via NeoSQL Desktop.not reviewedGrowingA- DB ExplorerRead-only SQL for PostgreSQL, MySQL and SQLite: schema, safe SELECTs, EXPLAIN, index advicenot reviewedGrowingB