Free Agent Tools

Free Agent Tools: free remote MCP server

A free, no-auth remote MCP server (streamable HTTP) with 27 small, deterministic tools your AI agent can call: startup pitch roasting, business idea scoring, price headroom, hotel OTA commission, open-source swaps for SaaS bills, Google Ads / Meta Ads notice risk, App Store 4.2 / 4.3 precheck, faceless YouTube reality check, AI infrastructure bottlenecks, viral attention patterns, Japan trip planning, Japan tax-free refund checking, Japan visa / residence permit fees, Japan luggage rules / forwarding cost, the Kyushu travel discount (九州ふっこう応援割), the Japan customs duty-free allowance on arrival, Japan pre-entry TB screening (JPETS), Japan dual pricing (resident vs non-resident prices), a Japan emergency alert decoder (緊急地震速報, tsunami, the level-named warnings since 2026-05-29, 避難指示, J-ALERT), a Japan permanent residence (永住) guideline check for the 2026-10-01 revision, and a Japan international postage calculator (Japan Post prices now vs from 2027-02-01).

Endpoint: https://free-agent-tools.vercel.app/mcp
Landing page with setup for every client: https://free-agent-tools.vercel.app

No API key, no account, nothing to install. Results are rules of thumb and educational estimates, not financial, legal, or investment advice, and every result carries a disclaimer for the user.

Add it

Claude Code

claude mcp add --transport http free-agent-tools https://free-agent-tools.vercel.app/mcp

Claude (desktop / web): Settings → Connectors → Add custom connector → paste the URL.

ChatGPT: Settings → Apps & Connectors → Advanced → Developer mode → Create → paste the URL, no authentication.

Cursor (~/.cursor/mcp.json)

{ "mcpServers": { "free-agent-tools": { "url": "https://free-agent-tools.vercel.app/mcp" } } }

VS Code (.vscode/mcp.json)

{ "servers": { "free-agent-tools": { "type": "http", "url": "https://free-agent-tools.vercel.app/mcp" } } }

Windsurf (~/.codeium/windsurf/mcp_config.json)

{ "mcpServers": { "free-agent-tools": { "serverUrl": "https://free-agent-tools.vercel.app/mcp" } } }

Stdio-only clients

{ "mcpServers": { "free-agent-tools": { "command": "npx", "args": ["-y", "mcp-remote", "https://free-agent-tools.vercel.app/mcp"] } } }

Tools

All tools are read-only and idempotent.

Plain HTTP APIs

Every tool is also a free JSON API (GET or POST, CORS open, OpenAPI 3.1, /.well-known/ai-plugin.json, llms.txt):

Test it

npx @modelcontextprotocol/inspector --cli https://free-agent-tools.vercel.app/mcp --transport http --method tools/list

Develop

npm install
npm run dev        # http://localhost:3000/mcp
npm test           # schema and wiring tests
npm run e2e        # real MCP client: list tools and call every tool (defaults to production)

Built with Next.js and mcp-handler (MCP SDK v2; serves the 2026-07-28 spec natively with stateless fallback for 2025-era Streamable HTTP clients). Deployed on Vercel.

License

MIT