MCP Server Directory

mrfentmen/wger-mcp

Exercises, muscles, and workout data from the open wger database. No key required.

habibafaisal/wherewent

Zero-config SQL flight recorder for slow Python/SQLAlchemy jobs: exact call site, count, and fix.

pipeworx-io/mcp-wikipathways

WikiPathways MCP — open community pathway database.

pipeworx-io/mcp-wipo-pearl

WIPO Pearl MCP — scientific, technical and IP legal terminology database.

game-databases/zeroparadesdb-mcp

ZERO PARADES skills, thoughts, items, characters, places, checks, dialogue and planner links

io.fdb4/football-database-and-results

Historical football results, draws and no-draw streaks. 11 read-only tools, 6 need no API key.

pipeworx-io/mcp-osv-dev

OSV.dev — Google's open-source vulnerability database

rootsbymenda/pharma-mcp-server

Drug safety: DrugBank, interactions, FAERS, WHO, TGA. 7 databases. Free.

site.jiebang.www/tools

20 free dev tools: JSON/YAML, XML/SQL, Cron, SEO, QR code, URL shortener, cron tasks, files

io.github.sniffpup/sniffpup

Free passive outside security scan of a live web app: leaked keys, exposed files, open Supabase

com.strasmore.ai/market-data

US stocks and options data via SQL: bars, ticks, greeks, fundamentals, filings. No key.

ckangas2/abstractinator

Immunology/virology papers, trials and grants from six databases. No API key.

dev.tmpstate/tmpstate

Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.

com.vibecodefixes/fixes

Read-only: matches an error from a Lovable, Bolt, v0, Cursor or Supabase app to a free fix guide.