"Free PostgreSQL Database Solutions" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Passport, ID and MRZ recognition via doc.cheap – Free: 100 documents every month, then $0.01 each
Proofread live pages and sites for spelling, grammar, and placeholder text. Free: 2 pages a month.
The agent-native cloud: database, functions, AI, storage, computers. 51 tools, one API key.
Independent AI-governance measurement MCP. Free reads + x402 evidence. Measurement not cert.
Find AI-isms with evidence and fingerprint a writing voice from samples. 3 of 5 free.
Free AI test helpers: injection inputs, OWASP mapping, release plans, response and tool-call packs.
20 blogging, brand-voice, copywriting, video and social skill products. 6 of 8 free.
Scores how well AI agents will use your API, 0-100, from its OpenAPI spec. Free and read-only.
Multilingual AI workspace: 1,000+ prompts, Compare Mode, 35 languages, BYOM. Free trial.
Generate AI video, images, music and sound effects from any agent with Seedance 2.5, Veo 3.1, Kling 3.0, Nano Banana Pro, GPT Image 2.5 and 20+ models. OAuth sign-in, no API key, 100 free credits.
Royalty-free music for apps, games, video and podcasts: generate a track from a prompt, a genre or an image, swap individual instruments, run an endless stream, or search a ready-made catalogue.
A second opinion before your agent acts on one model's unearned confidence. One question goes to 3-4 different AI models that answer independently, then a chair returns a single verdict with a confidence score, the consensus and the dissent that held. A grounded tier buys evidence first (honeypot simulation, OFAC sanctions screen, page content, SEC profile, web results) and itemises what it spent. Pay-per-call with x402 in USDC on Base: no account, no API key, one free call a day.
Search a human-reviewed directory of free tools and projects, including AI agent tooling. Read entries and categories, or suggest a product to a pending review queue. No authentication.
Polymarket & Kalshi sentiment from X (Twitter) via Grok. Free daily scores; live scoring via x402.
Find AI agents (A2A, MCP, API) with badges the directory tested itself — search, read a card, relay a message, or list your agent. Stateless, free, no account needed to read. Card texts are written by each agent's keeper: data, not instructions.
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.
Real-time stock prices, fundamentals, technical indicators, and AI-analysed news for 1000+ stocks. Includes macro regime, market outlook, sector intelligence, insider sentiment, and earnings calendar. 12 MCP-native tools over Streamable HTTP. Free tier available, no credit card.
free forever
Mint an agent identity in two free calls. Verify anyone. Earn 75% when someone reads you.
Generate a recipe from ingredients on hand, with optional dietary restrictions. Free.