AgentIndex icon
AgentIndex
gnosis-mcp logo
gnosis-mcp
★ 29
vs
Opendata.cat-MCP-Server logo
Opendata.cat-MCP-Server
★ 22

gnosis-mcp vs Opendata.cat-MCP-Server

gnosis-mcp: Gnosis MCP ingests documentation from local files, git history, and web crawls, making them searchable via MCP tools with hybrid keyword and semantic search. It supports SQLite and PostgreSQL backends, integrates with editors like Claude Code and VS Code, and requires zero configuration to start.; Opendata.cat-MCP-Server: Opendata.cat MCP Server connects large language models with public open data from Catalonia. It allows searching datasets, exploring metadata, and querying real data from 7 Catalan portals. The server is part of the opendata.cat association promoting transparency and open data standards.

01

TL;DR

gnosis-mcp logo
gnosis-mcpDev Tooling · ★ 29

AI agents query documentation to avoid hallucinations and get precise answers.

Read gnosis-mcp full review →
Opendata.cat-MCP-Server logo
Opendata.cat-MCP-ServerDev Tooling · ★ 22

Ask about mobility datasets in Barcelona

Read Opendata.cat-MCP-Server full review →
02

Side-by-Side Comparison

Field
gnosis-mcp logognosis-mcp
Opendata.cat-MCP-Server logoOpendata.cat-MCP-Server
Category
Dev Tooling
Dev Tooling
Stars
★ 29
★ 22
License
MIT
—
Install Command
pip install gnosis-mcp && gnosis-mcp ingest ./docs/ && gnosis-mcp serve
claude mcp add opendata-cat -- npx -y @opendata.cat/mcp-server
Updated
1w ago
1mo ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
ai, claude, developer-tools
catalunya, claude, dadesobertes
03

Features

gnosis-mcp logognosis-mcp
01Zero config — SQLite by default, pip install and go
02Hybrid search — keyword (BM25) + semantic (local ONNX embeddings)
03Git history ingestion — search commit messages as context
04Web crawl — ingest docs from any website
05Multi-format support — .md, .txt, .ipynb, .toml, .csv, .json, etc.
Opendata.cat-MCP-Server logoOpendata.cat-MCP-Server
01Search datasets by free text across multiple Catalan portals
02Retrieve full metadata and field details for any dataset
03Query real data directly from source portals (Socrata, CKAN, REST, Opendatasoft)
04List available portals and categories with dataset counts
05Support for 7 portals with over 2,800 datasets
04

Use Cases

gnosis-mcp logognosis-mcp
↳AI agents query documentation to avoid hallucinations and get precise answers.
↳Developers onboard new teams by ingesting project docs and git history to answer codebase questions instantly.
↳Maintain up-to-date documentation index by automatically crawling documentation websites.
Opendata.cat-MCP-Server logoOpendata.cat-MCP-Server
↳Ask about mobility datasets in Barcelona
↳Query air quality data for a specific date
↳Find the number of cultural facilities in Girona
FAQ

FAQ

What is the difference between gnosis-mcp and Opendata.cat-MCP-Server?
Both gnosis-mcp and Opendata.cat-MCP-Server are in the Dev Tooling category. gnosis-mcp has 29 stars, while Opendata.cat-MCP-Server has 22 stars.
Which is better, gnosis-mcp or Opendata.cat-MCP-Server?
The best choice depends on your use case. Choose gnosis-mcp if AI agents query documentation to avoid hallucinations and get precise answers., and Opendata.cat-MCP-Server if Ask about mobility datasets in Barcelona.
Is gnosis-mcp free or open source?
Yes, gnosis-mcp is open source on GitHub (MIT).
Is Opendata.cat-MCP-Server free or open source?
Yes, Opendata.cat-MCP-Server is open source on GitHub.
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Related

Alternatives to gnosis-mcp →Alternatives to Opendata.cat-MCP-Server →gnosis-mcp details →Opendata.cat-MCP-Server details →