MCP Server Directory

io.github.Combjellyshen/zotero-bridge

MCP Server for Zotero SQLite Database - collection, tagging, PDF reading and more.

hmem — Humanlike Memory for AI Agents

Persistent 5-level hierarchical memory for AI agents. SQLite-backed, lazy-loaded.

Openfoodfacts

Open Food Facts — collaborative food product database

PostgreSQL MCP Server

PostgreSQL MCP server with 203 tools, connection pooling, HTTP/SSE, OAuth 2.1, and tool filtering

Osv Dev

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

Reactome

Reactome biological pathway database

Simbad

CDS SIMBAD — astronomical object database (~14M objects) via TAP/script

String Db

STRING protein-protein interaction networks across ~12k organisms

io.github.AnnasMazhar/pyspark-mcp

SQL to PySpark conversion, AWS Glue job generation, and Spark code optimization.

io.github.ralfbecher/orionbelt-semantic-layer

API-first semantic layer MCP server compiling YAML models into dialect-specific SQL

Trefle

Trefle MCP — global plant database (1M+ species)

io.github.neverinfamous/sqlite-mcp-server

SQLite MCP server with 73 tools for JSONB, full-text search, geospatial, and analytics.

io.github.topher66/droidbar

The first bar for AI. Visit, chat with SERVO the bartender, and tip in tokens.

PostgreSQL database administrator with serverless query routing.

io.github.seob717/redash-mcp

Connect Redash to Claude -- query data, manage dashboards, and run SQL with natural language.

macOS-only MCP server that exposes iMessage chat

macOS-only MCP server that exposes iMessage chat.db to Claude and exports per-chat history to an…

io.github.kurovu146/memory-fts

Long-term memory for Claude Code with SQLite FTS5 search and BM25 ranking

Safe, read-only Postgres and MySQL access for AI agents. Audit log + column-level controls.

io.github.spranab/saga-mcp

Jira-like project tracker for AI agents with SQLite, full task hierarchy, and dashboard

Memory MCP Server

SQLite-backed MCP server for persistent memory, full-text retrieval, and graph traversal.

AgentBuilders

Deploy full-stack web apps with database, file storage, auth, and RBAC via a single API call.

io.github.agentic-eng/a2db

Safe, read-only database access for AI agents. 5 databases, batch queries, SQLGlot.

Deep code indexing for AI agents. SQLite FTS5 + tree-sitter + embeddings + MCP.

MCP Local WP

WordPress database access via Local by Flywheel. Execute read-only MySQL queries and inspect schema.