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"Free PostgreSQL Database Solutions" matching MCP servers:

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    Connect AI agents to SQL databases (SQLite, PostgreSQL, MySQL) with a unified interface for querying data, exploring schemas, inserting rows, and exporting results to CSV. Includes safety features like dangerous query blocking and write guards.
    11
    MIT
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    A production-grade Model Context Protocol server for PostgreSQL. Lets AI agents safely inspect, query, operate, and tune a Postgres database — over 100 tools spanning catalog introspection, query intelligence, natural-language SQL, structural diffs, hybrid search, graph queries, data movement, live ops, and more.
    100
    8
    MIT
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    Open-source MCP server for managing Hetzner Cloud infrastructure with two management layers: * Layer 1 — Hetzner Cloud API (35 tools): Server power control, metrics, snapshots, backups, firewalls, DNS zones and records, rescue mode, server rebuild and rescale. Works even when the server OS is unresponsive. * Layer 2 — SSH (25 tools): Service management (systemd), Nginx config and reload,
    MIT
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    A read-only PostgreSQL MCP server for AI coding agents that exposes database schema and sample data as tools, with LLM-powered semantic search enriched by a user-authored semantic layer.
    4
    MIT
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    Enables reading Tesla vehicle data from a TeslaMate PostgreSQL database, including status, trips, charging, efficiency, weather integration, and more, via 38 tools for MCP-compatible clients like Claude Code.
    MIT
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    Provides instant access to a searchable knowledge base of 16,000+ community-driven troubleshooting solutions for common coding problems. Includes community feedback and smart ranking to help AI assistants find the most effective solutions.
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    Enables interaction with 20+ databases (PostgreSQL, MongoDB, Neo4j, Elasticsearch, Redis, and more) through a single unified interface, allowing cross-database queries and operations via natural language.
    1
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    Domain availability + registrar price comparison across 52 TLDs — see not just if a domain is free, but where it's cheapest (7 registrars, renewal traps exposed). Honest: shows an Unverified state instead of guessing. Free, no API key. For Claude, ChatGPT, Cursor & any MCP client.
    4
    2,390
    1
    MIT
  • A
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    Free self-hosted web search for AI agents with multi-engine parallel search, semantic re-ranking, and native China network support. Zero API keys.
    2
    27
    MIT
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    Live Elon Musk & Ted Cruz tweet feed, real-time tweet counters, and market data for Polymarket's tweet-count markets. Hosted remote server (streamable-http at https://polystrike.xyz/mcp); free tier is keyless.
    10
    8
    MIT
  • A
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    Free multi-source search for AI agents with multi-source verification, token savings, and MCP native support.
    7
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    Apache 2.0
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    MCP server exposing Verity's trust checks as tools (verify_fact, detect_injection, moderate_content, redact_pii, guard_action) that any MCP-capable agent can discover and call for fail-closed safety verification before spending or sending.
    8
    MIT