Open source — trusted by developers worldwide

AGPL-3.0 + MIT transformer — 100% source available

Your API. Any AI agent. In 30 seconds.

MCP is the new standard for AI agents. Paste an OpenAPI spec and get a production-ready, open-source MCP bridge that any AI agent can connect to instantly.

APIFold Runtime v1.0

Live orchestrator

Connected

Input — OpenAPI Spec

https://petstore3.swagger.io/api/v3/openapi.json

Output — MCP Endpoint

mcp://localhost:3002/petstore/sse

terminal
$ mcp connect petstore
> Mapping 19 methods...
> Protocol: SSE + JSON-RPC
> Server ready at :3002

Works with every MCP client

Claude Desktop
Cursor
GitHub Copilot
Windsurf
Continue

Built for Production AI

Enterprise-grade security, real-time observability, and multi-client support — all in a single self-hostable stack.

Secure-by-Default

Every connection encrypted, every credential vaulted, every request validated before it touches your API.

AES-256ZERO-KNOWLEDGESSRF PROTECTION

Visual Dashboard

Import specs, manage tools, monitor connections, and configure auth — all from a single pane of glass.

Any OpenAPI Spec

Drop in any spec and watch it transform. Every endpoint becomes a callable MCP tool with typed parameters.

OPENAPI 3.0OPENAPI 3.1SWAGGER 2.0

Every AI Agent

Claude Desktop, Cursor, Windsurf, Continue — if it speaks MCP, it works with APIFold. Standard SSE transport.

Self-Hostable

One command to deploy your entire stack. Your data stays on your infrastructure. No vendor lock-in.

DOCKER COMPOSEANY CLOUD

Three steps. 60 seconds.

Step 01

Import

Drop an OpenAPI spec URL or upload a JSON/YAML file.

Step 02

Configure

Set auth mode, rate limits, and enable/disable tools.

Step 03

Connect

Paste a 5-line JSON config into Claude Desktop or Cursor.

Deployment

Host It Your Way

Hosted Cloud

Recommended

Zero-config managed hosting. Deploy MCP servers without managing infrastructure. Join the waitlist to get early access.

Self-Hosted

Available Now

Full-stack Docker Compose deployment. Your infrastructure, your data, your rules.

NGINX
NEXT.JS
EXPRESS
POSTGRES
REDIS
VAULT
Get Docker Compose

Open Source

Built in the Open

Transparent, auditable, and community-driven. Every line of code is public.

80%+

Test Coverage

MIT + AGPL

License

100%

Source Available

bridge.ts
async function bridgeToMcp(spec: ApiSpec) {
  const tools = await transform(spec);
  const server = createMcpServer({
    tools,
    transport: 'sse',
    auth: 'bearer',
  });
  return server.listen(3002);
}

Ready to give your AI agents superpowers?

Stop writing custom MCP server code. Import your OpenAPI spec and let your AI agents call your APIs in 60 seconds.

No credit card required. Self-host in 60 seconds.