"Free tools or resources that do not require an API" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Spin up a complete OpenCode development environment on any Linux box — one agent-driven workflow, six tools, zero secrets.
Linux microVM sandboxes for AI agents: run commands, files, processes, pause and wake.
Code mode (preview): the AI writes a script against a typed foundry.* API and runs it in a sandbox.
Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.
I do everything related to coding and execution tasks
Second opinion before an irreversible agent action; signed proofs, free verify, public ledger.
38 MCP tools: Rust computation, Discovery, composition, counterexample scans and signed checks.
tasklite.net: hosted backend, REST API and admin for apps built by AI agents
Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.
Proves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.
40+ developer tools from Context7, Code Runner, Python Execute, NPM Sentinel, PlantUML, and Microsoft Learn. Docs lookup, code execution, security scanning. Starts at $0.01/call. Get your API key at app.xpay.sh or xpay.tools
Paid pre-execution risk verification for AI agents over MCP and x402.
Anima MCP connects your AI coding assistant directly to Anima Playground. It bridges the gap between PM prototypes and production code.
MCP task execution sandbox. 4 tools for claim→execute→submit lifecycle with idempotent claims, duplicate-safe submissions, content validation, and 7-day execution expiry.
Generate a Flutter app from a JSON spec free; pay only for the compiled APK (USDC on Base).
Blender-as-a-service for agents: search 3D assets, run Blender Python, or brief the studio agent.
Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.
Persistent Linux microVMs for agents: root, internet, sub-second resume and a public URL.
Read-only Animica chain data, free AI inference, verifiable quantum randomness, and mining stats.
Real Linux labs your AI agent deploys, routes and runs, with domains, TLS, DBs and an audit log.
