MCP Server Directory

MyAITwin

A personal RAG database you build from chat, so AI creates work that sounds like you.

Ygoprodeck

YGOPRODeck MCP — Yu-Gi-Oh! trading card game (TCG) database.

Alphafold

AlphaFold DB MCP — predicted protein structures.

io.github.infoinlet-marketplace/mcp-mysql

Read-only MySQL/MariaDB for AI agents — query, list/describe tables, health. SQL-guarded.

Domotz MCP

Every Domotz endpoint, plus a local SQLite fleet mirror that answers cross-site questions.

Read-only bank & investment accounts via Plaid: balances, holdings, transactions, SQL analytics.

Pombase

PomBase MCP — the fission yeast (Schizosaccharomyces pombe) model-organism database.

SQL Sentinel MCP Server

SQL Server monitoring and diagnostics for AI agents using Extended Events. No ODBC drivers required.

io.github.daedalus/mcp-mysql-connector

MCP server exposing MySQL database functionalities as tools

Discogs

Discogs MCP — music release / artist / label database

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

valv

Let coding agents query any SQL database safely. Read-only by default and scoped by your policies.

sql-steward

The agent never writes SQL: queries compile from a semantic layer you control, PII refused first.

io.github.us-all/dbt

dbt MCP — manifest/run_results/sources/catalog parsing + DQ result tables (BigQuery/Postgres)

ai.smithery/MisterSandFR-supabase-mcp-selfhosted

Manage Supabase projects end to end across database, auth, storage, realtime, and migrations. Moni…

Better Stack MCP

Every Better Stack Uptime feature, plus an offline SQLite mirror and cross-resource fleet analytics

Rootly MCP

Every Rootly incident, alert, and on-call object as a typed command - plus a local SQLite mirror

Crystallography

Crystallography Open Database (COD) MCP.

nlqdb — analytical memory for AI agents

Analytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

claude-webcache

Cross-session WebFetch cache for Claude Code. Unlimited TTL by default, SQLite, MCP plugin.

io.github.cyanheads/tmdb-mcp-server

Search, detail, and discovery for movies, TV, and people on The Movie Database (TMDB).

Local Memory

Persistent local AI memory. SQLite + FTS5 + vector search, knowledge graph. No cloud, no API keys.

STRING Database MCP Server

Query STRING interactions, enrichment, annotations, homology, and PPI networks.

RPG Maker MV Ultimate MCP

RPG Maker MV Ultimate: AI copilot to generate, edit and understand RPG Maker MV projects (MCP)