MCP Servers 200

Engram

io.github.gentleman-programming/engram

B◆ advisory

Persistent memory system for AI coding agents.

Tabularis

io.github.tabularisdb/tabularis

B◆ advisory

Open-source desktop SQL workspace for PostgreSQL, MySQL/MariaDB, SQLite and 15+ more databases like DuckDB, ClickHouse, Redis and Firestore.

MCP server for interacting with the Supabase platform

GoNavi

io.github.syngnat/gonavi

B◆ advisory

High-performance multi-data-source database client — ~30MB, AI & MCP ready, zero Electron bloat.

Data Api Builder

io.github.azure/data-api-builder

B◆ advisory

Data API builder provides modern REST, GraphQL endpoints and MCP tools to your Azure Databases and on-prem stores.

Zen

io.github.sheshbabu/zen

B◆ advisory

Selfhosted notes app.

Built-in MCP server for ArcadeDB multi-model database (graph, document, vector, time-series)

Mongodb Server

io.github.mongodb-js/mongodb-mcp-server

B✓Verified

MongoDB Model Context Protocol Server

An MCP server for Text2SQL: transforms natural language into SQL using graph schema understanding.

Sequential Thinking

io.github.arben-adm/mcp-sequential-thinking

B◆ advisory

Local MCP work notes with persistent sessions, decisions, evidence and resumable tasks.

ClickHouse

io.github.ClickHouse/mcp-clickhouse

A✓Verified

Official ClickHouse MCP server for querying and exploring ClickHouse clusters and chDB.

NornicDB

io.github.orneryd/nornicdb

B◆ advisory

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes.

Supabase

io.github.alexander-zuev/supabase-mcp-server

B◆ advisory

Query MCP enables end-to-end management of Supabase via chat interface: read & write query executions, management API support, automatic migration versioning…

PhpMyFAQ

io.github.thorsten/phpmyfaq

B◆ advisory

phpMyFAQ - Open Source FAQ web application for PHP 8.3+ and MySQL, PostgreSQL and other databases

Envkit Releases

io.github.env-kit/envkit-releases

B◆ advisory

EnvKit — free local development environment for Windows & macOS: nginx/Apache, multiple PHP versions, MySQL/MariaDB, PostgreSQL, Redis, MongoDB, Mailpit, N…

PerformanceMonitor

io.github.erikdarlingdata/performancemonitor

B◆ advisory

Free, open-source SQL Server performance monitoring — 32 collectors, real-time alerts, graphical plan viewer, MCP server for AI analysis.

Db

io.github.freepeak/db-mcp-server

B◆ advisory

A powerful multi-database server implementing the Model Context Protocol (MCP) to provide AI assistants with structured access to databases.

Openanalytics

io.github.openlabs-so/openanalytics

B◆ advisory

Open-source, privacy-first and cookieless web analytics with revenue attribution and an MCP server.

OSS Snowflake MCP Server

io.github.Snowflake-Labs/mcp

B✓Verified

MCP Server for Snowflake from Snowflake Labs

PerformanceStudio

io.github.erikdarlingdata/performancestudio

B◆ advisory

Free, open-source SQL Server execution plan analyzer — cross-platform GUI + CLI with 30 analysis rules, missing index detection, SSMS extension.

Postgres

io.github.pgEdge/postgres-mcp

A✓Verified

Enterprise PostgreSQL MCP server with NL queries, hybrid search (pgvector+BM25), and web UI

Starrocks

io.github.starrocks/mcp-server-starrocks

B◆ advisory

StarRocks MCP (Model Context Protocol) Server

Claude Patent Creator

io.github.robthepcguy/claude-patent-creator

B◆ advisory

USPTO patent creation system with MCP server + Claude Code plugin.

Samyama Graph

io.github.samyama-ai/samyama-graph

B◆ advisory

Graph-vector database that queried 1 billion edges for $2.50.