"Search functionality without API key requirement" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Agent utilities: read big pages without filling context, exact math, dates, parsing. Free.
Spin up a complete OpenCode development environment on any Linux box — one agent-driven workflow, six tools, zero secrets.
Code mode (preview): the AI writes a script against a typed foundry.* API and runs it in a sandbox.
Proves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.
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.
Second opinion before an irreversible agent action; signed proofs, free verify, public ledger.
A browser 3D CAD for your AI: it scripts real-size models, uCAD builds them and returns pictures.
tasklite.net: hosted backend, REST API and admin for apps built by AI agents
A free quantum job service: OpenQASM 3 run, checked and signed, with no account or key.
Create and preview self-contained web apps in iPhone, Duo, iPad, or Headless views. Seven starter tools and games, browser-local code saving, and HTML export. Free; no API key. Tools: open_ipadian, preview_app. Interactive previews require MCP Apps support. Independent web simulator; no native iOS apps or cloud sync. Setup and Claude/Codex downloads: https://os.ipadian.net/plugin/
Hand routine JS/TS tasks to Codemind from your agent. $0.10 per verified build; failures are free.
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
Reasoning, code, anti-deception, memory harness MCP tools. Stdio or HTTPS api.ejentum.com/mcp
Run Python code in a secure sandbox without local setup. Declare inline dependencies and execute s…
Run Python, Java, C, C++, C#, Go, Rust and 39 more languages, each run in a fresh, offline sandbox.
Linux microVM sandboxes for AI agents: run commands, files, processes, pause and wake.
Execute code in 8 programming languages via gVisor-sandboxed Docker containers. Supports Python, JS, TS, Go, Java, C++, C, and Bash.
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.
Persistent Linux microVMs for agents: root, internet, sub-second resume and a public URL.
Your agents' cloud for individuals and teams. Search, execute, packages, jobs, and credentials.
Paid pre-execution risk verification for AI agents over MCP and x402.
Pay-per-call DNS/TLS truth and npm/PyPI breakage checks via x402. No account or API key.
Build native iPhone apps and web apps by chatting. Vibecode's agent writes, builds and tests them.
US parcel, zoning, ordinance and permit data, with a Python sandbox to query and map it
List AugmentEV's agents and run text generation on a hosted open model (Standard). API key required.
Cloud platform for asset research and investment allocation models, saving code, runs and outputs.
Create AgentUI data apps: define tables, read and write records, and run programs on your data.
Blender-as-a-service for agents: search 3D assets, run Blender Python, or brief the studio agent.
Create, edit, preview, and build Flutter apps via FlutterGo.AI cloud MCP (OAuth).