Best PyPI MCP Servers

The Python Package Index (PyPI) is a repository of software for the Python programming language, where developers can publish and share their Python packages.

View all PyPI MCP Servers

Why this server?
Allows grading MCP servers published on PyPI by referencing their PyPI package identifier.
Polygraphofficial
Penetration Testing Security Testing & QA Tools
polygraphso
A
license
A
quality
A
maintenance
Open behavioral litmus for MCP servers — grades A–F across tool-output injection, egress, sensitive-data, and adversarial-input, with reproducible, content-addressed evidence. Tools: run_litmus, verify_attestation.
Last updated 2026-07-20
12
4
47
7
Apache 2.0
Why this server?
Supplies CVE data, dependency graphs, and license identifiers for Python packages from PyPI.
DataNexus MCPofficial
Government Data Legal & Compliance Security
datanexusmcp
A
license
A
quality
A
maintenance
Provides AI-ready access to US/UK nonprofit data and OSS vulnerability intelligence via MCP, with 10 tools and no API key required.
Last updated 2026-07-31
14
55
354
3
Inno Setup
Why this server?
Allows installation of the Chronulus MCP server package directly from the Python Package Index
Chronulus MCP Serverofficial
Agent Orchestration Autonomous Agents
ChronulusAI
A
license
A
quality
D
maintenance
Enables integration of Chronulus AI Forecasting & Prediction Agents with Claude, allowing users to access AI-powered forecasting and prediction capabilities directly through Claude's interface.
Last updated 2025-07-19
9
111
Python
MIT
Why this server?
Searches Python Package Index for existing packages that may serve the same purpose.
reuse-before-generate
Developer Tools Product Management Research & Data
aradar46
A
license
A
quality
A
maintenance
Stop your AI agent from rebuilding what already exists. MCP server that checks GitHub, npm and Python repos for maintained alternatives before you scaffold.
Last updated 2026-07-24
5
2
831
2
MIT
Why this server?
Allows installation of the Norman MCP server via PyPI using the uvx command to run the package directly.
Norman Finance MCP Serverofficial
Finance App Automation
norman-finance
A
license
B
quality
B
maintenance
Norman Finance is an accounting and tax filing autopilot designed for entrepreneurs in Germany. The Norman Finance MCP server enables new ways of interacting with Norman Finance's accounting, tax, and invoicing services. Simplifying financial workflows by integrating Norman Finance API capabilities
Last updated 2026-07-30
34
53
MIT
Why this server?
Allows cleaning of pip cache (Python packages from PyPI).
cacheout-mcpofficial
File Systems OS Automation Developer Tools
cacheout-app
A
license
A
quality
D
maintenance
MCP server for macOS disk cache management. Enables AI agents to free disk space on demand by scanning and clearing developer caches.
Last updated 2026-03-13
13
1
Sustainable Use v1.0
Why this server?
Hosts the ydb-mcp package that can be installed via pip
YDB MCPofficial
Databases RAG Systems
ydb-platform
A
license
B
quality
C
maintenance
Model Context Protocol server for YDB databases that enables AI-powered database operations and natural language interactions with YDB instances from any LLM that supports MCP.
Last updated 2026-06-20
7
28
Apache 2.0
Why this server?
Allows installation of the Vectara MCP server package directly from PyPI using pip.
Vectara MCP serverofficial
RAG Systems Agent Orchestration Search
vectara
A
license
A
quality
F
maintenance
Vectara MCP server
Last updated 2026-07-23
2
29
Apache 2.0
Why this server?
Distributed through PyPI package manager for easy installation of the SignNow MCP server
SignNow MCP Serverofficial
App Automation Legal & Compliance Workplace & Productivity
signnow
A
license
A
quality
C
maintenance
https://github.com/signnow/sn-mcp-server MCP server for SignNow e-signature: templates, invites, embedded signing/editor, status & downloads.
Last updated 2026-07-27
25
8
MIT