MCP Server Directory

Rule-tiered AST and sqlite-vec capability oracle for A-MEM agent workflows.

PostgreSQL MCP server for schema, query, health, security, and performance analysis.

pg-aiguide io.github.timescale/pg-aiguide

Comprehensive PostgreSQL documentation and best practices, including ecosystem tools

Run Redis commands and look up Upstash Redis Search docs against Upstash Redis over HTTP or TCP.

Local-first, auditable memory for MCP-compatible AI agents with explicit writes and SQLite storage.

Every IT Glue resource, plus an offline SQLite mirror, fleet-wide cross-resource search, and

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

daemoon io.github.jaylee7777/daemoon

One PAT, any MCP agent: Vercel, GitHub, Cloudflare, Supabase, GCP — unified dev infra gateway.

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

acmi-mcp io.github.madezmedia/acmi-mcp

Persistent agent memory via ACMI — Profile/Signals/Timeline. 16 tools on Upstash Redis.

nuzur-mcp-server io.github.mklfarha/nuzur-mcp-server

AI agents propose database changes as reviewable requests — no direct write access.

Enterprise PostgreSQL MCP server with 63 tools, 10 resources, 10 prompts for AI-native operations

Secretless database and cloud access via Akeyless RTA. Credentials never enter the model.

Cross-machine, file-first memory for Claude Code: markdown + SQLite FTS5, synced with git

Query Forge io.github.Evozim/query-forge

Enterprise SQL query optimizer and performance analyzer.

x402-gated semantic vector cache for agent swarms: Redis-backed similarity lookup. Paid in USDC.

1 MCP server, 13 databases, zero config. Multi-protocol transport with Auth + RBAC.

Chembl io.github.pipeworx-io/chembl

ChEMBL MCP — drug discovery database (EBI).

Malwarebazaar io.github.pipeworx-io/malwarebazaar

MalwareBazaar MCP — abuse.ch malware sample database (free, key required)

Oqmd io.github.pipeworx-io/oqmd

OQMD (Open Quantum Materials Database) MCP.

String Db io.github.pipeworx-io/string-db

STRING-DB MCP — protein-protein interaction networks.

Manually-triggered, self-organising personal memory for AI agents; SQLite, no vector DB.

Run alias-based queries against PostgreSQL, MySQL, MongoDB and Oracle without exposing credentials.

MCP server for SQLCipher 4 encrypted SQLite databases with full CRUD operations and query support