0mcp

Hosts existing APIs as secure Model Context Protocol servers for AI agents

Coding & Development AI Models & APIsPaid

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About 0mcp

0mcp is a managed platform that converts existing OpenAPI specifications into hosted Model Context Protocol (MCP) servers. It allows teams to expose their APIs to AI agents without building MCP infrastructure themselves. The platform handles hosting, authentication forwarding, monitoring, versioning, and scaling while keeping the API as the source of truth. Users import their API contract, select endpoints to expose, configure permissions, and deploy a ready-to-use MCP endpoint under a custom domain. The system forwards requests securely to the user’s backend without storing request or response payloads, only retaining operational metadata for observability. It supports multiple isolated environments for different customers or teams and provides tools for interactive testing and safe deployments.

Key features

OpenAPI import and AI-ready tool generation
Interactive tool testing console
Custom domain support
Versioning and safe deployments
Authentication forwarding
Production monitoring and analytics
White-label MCP servers
Zero-downtime updates

Use cases

Exposing SaaS product APIs to AI agents
Providing governed capabilities for AI products
Enabling internal teams to use private APIs via MCP

Pros

Managed hosting and infrastructure
Supports existing authentication and authorization models
Isolated MCP servers for different environments
Production observability with latency and error tracking
No modification required to existing APIs

Cons

Billing based on capabilities consumed
No data storage for API payloads, only operational metadata
Requires OpenAPI specification for conversion

Frequently asked questions about 0mcp

What is 0mcp?

0mcp is a managed platform that converts existing OpenAPI specifications into hosted Model Context Protocol (MCP) servers, enabling AI agents to securely interact with APIs without requiring teams to build MCP infrastructure themselves.

What is the Model Context Protocol (MCP)?

The Model Context Protocol is an open standard that allows AI applications to discover and interact with external tools, resources, and prompts in a secure and standardized way.

Do I need to modify my existing API to use 0mcp?

No modifications to your existing API are required. You import your OpenAPI specification, select the endpoints to expose, and deploy a hosted MCP endpoint while keeping your backend unchanged.

Which AI clients are compatible with 0mcp?

Any AI client that supports the Model Context Protocol can connect to a 0mcp-hosted MCP server, including Claude, ChatGPT, Cursor, VS Code, Windsurf, and other MCP-compatible applications.

Does 0mcp store my API data?

No. 0mcp forwards requests securely to your backend and does not store API request or response payloads. Only operational metadata, such as request status, latency, and errors, is retained for monitoring.

Can I use my existing authentication with 0mcp?

Yes. 0mcp works with your existing authentication and authorization models, forwarding requests securely to your backend without altering your current security mechanisms.