MCP Catalog

LicensesOfficial

Open-source licenses MCP (SPDX).

LinearOfficial

Linear MCP — wraps the Linear GraphQL API (OAuth)

mathjsOfficial

Math.js MCP — wraps the mathjs.org API (free, no auth)

Maven CentralOfficial

Maven Central MCP — Java/JVM artifact registry

Mdn SearchOfficial

MDN Search MCP

MimeOfficial

MIME type lookup MCP.

MockdataOfficial

Mock data generator MCP.

N8nOfficial

n8n MCP — query your own n8n instance (BYO).

npmOfficial

npm MCP — wraps the npm Registry API (free, no auth)

NugetOfficial

NuGet MCP — .NET package registry

NumbersOfficial

Number utilities MCP.

OcrspaceOfficial

OCR.space MCP — wraps the OCR.space API (ocr.space) for image/PDF → text OCR.

OsvOfficial

OSV.dev (Open Source Vulnerabilities) MCP.

PackagephobiaOfficial

Packagephobia MCP — install-size analysis for npm packages

PackagistOfficial

Packagist MCP — PHP / Composer package registry

PhoneOfficial

Phone number validation MCP.

Pkg Go DevOfficial

Go modules MCP — wraps proxy.golang.org

Pub DevOfficial

pub.dev MCP — package registry for Dart & Flutter.

PypiOfficial

PyPI MCP — wraps the Python Package Index (PyPI) JSON API (free, no auth).

Pypi StatsOfficial

PyPIStats.org — PyPI download statistics

RepologyOfficial

Repology cross-distro package version aggregator

Rfc EditorOfficial

RFC Editor — full RFC text + metadata + errata + BCP/STD mappings

RubygemsOfficial

RubyGems MCP — wraps the RubyGems.org public API (free, no auth)

SchemastoreOfficial

JSON Schema catalog (SchemaStore.org)