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MCP server

Fetter MCP

By fetter-ioAll Fetter servers

Real-time Python package and vulnerability data for AI coding agents.

Listed on

First seen 2 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.

3
Directories
2 via MCP Toplist
3
Tools
From an anonymous probe
C
ToolBench grade
Arcade’s grade, not ours
1
GitHub stars
From MCP Toplist

Tools

ToolDescriptionBehaviour
is_vulnerableCheck if a specific package version has known vulnerabilities. Requires an exact version specifier (e.g., 'requests==2.31.0').Not declared
lookupLook up a package by name and (optionally) version number to find which versions are available and/or have vulnerabilities.Not declared
most_recent_not_vulnerableFind the most recent version of a package that has no known vulnerabilities.Not declared

Directory listings

DirectoryListingTierFirst seen
Official MCP RegistryFetter MCP-2 Oct 2026
GlamaListed there according to MCP Toplist’s dataset; not collected by InvokeRank.
PulseMCPListed there according to MCP Toplist’s dataset; not collected by InvokeRank.