"Free PostgreSQL Database Solutions" matching MCP connectors:
Matching Connector Tools:
500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.
Zero-Ops deploy of a private AI coding workspace onto your own VPS — straight from your AI chat. Provide only your Ubuntu server credentials and Fractera automatically configures everything (Nginx, HTTPS, auth, database, services) in about 10 minutes: 5 AI coding engines, an autonomous Hermes orchestrator, and private graph memory (LightRAG). No terminal, no DevOps. IP-first and free; a custom domain with HTTPS is an optional later step.
Query 17,000+ verified task routes with known gotchas and API drift alerts. Free keyless reads.
Build, validate, and deploy multi-agent AI solutions from any AI environment.
Self-hosted MCP gateway: turn any API, database or MCP server into AI connectors — no code.
Free search across ~35,000 agent tools (x402 bazaar + MCP registry) by plain-language need.
Free MCP context preflight with local redaction and a paid HTTP upgrade.
Free no-signup file transfer between AI agents. Share files or whole conversation handoffs by url.
Website intelligence audits for AI agents: free preview plus x402-paid Agent Readiness scoring
Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.
Encrypted store for API keys and database URLs your code needs. Use them without reading them.
Free public web freshness and response-metadata checks for AI agents.
What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. Free.
Publish any app in one call: SQL database, functions, email, and a custom domain. Flat price.
Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.
Durable self for AI agents: one-call resume, memory, real browser, free chat + hire real humans.
Decision Layer for AI Agents — 58+ tools, Advisor, MCP. Free key: POST /v1/register {}.
Free public MCP for AI agents — 193 tools, 44 workflows. No API key.