Free Agent Tools: free remote MCP server
A free, no-auth remote MCP server (streamable HTTP) with 23 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, and Japan pre-entry TB screening (JPETS).
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
| Tool | What it does |
|---|---|
roast_pitch | Roast a startup pitch (five judges, one verdict, one change) |
score_business_idea_moat | Score a business idea (MOAT: fund, fix, or flee) |
price_headroom_check | Price headroom from close rate |
thirty_day_cash_check | Do customers fund growth? (30-day cash) |
email_list_reactivation_value | What is an old email list worth? |
hotel_ota_commission_calculator | Hotel OTA commission and direct-booking savings |
saas_self_host_savings | Replace paid SaaS with open source: savings and payback |
list_open_source_saas_alternatives | List open-source alternatives to paid SaaS |
ads_policy_notice_risk_check | Google Ads / Meta Ads notice risk card |
app_store_wrapper_precheck | App Store 4.2 / 4.3 / metadata rejection precheck |
faceless_youtube_reality_check | Faceless / AI YouTube channel reality check |
ai_infrastructure_bottlenecks | AI infrastructure bottlenecks explained |
ai_bottleneck_quiz | Which AI bottleneck constrains your stack? (quiz) |
viral_attention_patterns | How attention spreads online |
viral_attention_quiz | Do you chase, invent, or read attention? (quiz) |
japan_trip_plan | Japan trip plan by city and month |
japan_trip_options | Japan Trip Brain: supported cities, months, travelers |
japan_tax_free_refund_check | Japan tax-free shopping refund check (from 2026-11-01) |
japan_visa_fee_check | Japan visa / residence permit fee (from 2026-10-01) |
japan_luggage_check | Japan suitcase check: Shinkansen oversized-baggage rule + Yamato forwarding cost |
kyushu_travel_discount_check |
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