AionMCP
Turn OpenAPI, GraphQL, and AsyncAPI specs into live MCP tools so agents can call your APIs without hand-writing every wrapper.
Overview
AionMCP is a MCP server for the Build phase that materializes agent-callable tools from OpenAPI, GraphQL, and AsyncAPI specifications.
What is this MCP server?
- Generates MCP tools dynamically from API specifications
- Supports OpenAPI, GraphQL, and AsyncAPI as input formats
- Reduces manual MCP tool authoring for REST and event-driven APIs
- GitHub-hosted server entry `io.github.kiransth77/aionmcp` at registry version 0.1.0
- Fits agents that need many endpoints without maintaining parallel SDK docs
- Three supported specification families: OpenAPI, GraphQL, and AsyncAPI
Community signal: 2 GitHub stars.
What problem does it solve?
Every new API surface means more bespoke MCP tool code, which slows solo builders who ship integrations weekly.
Who is it for?
Schema-first solo builders exposing REST, GraphQL, or AsyncAPI services who want Claude Code or Cursor to call those APIs through MCP.
Skip if: Teams without machine-readable API specs or builders who only need a single fixed third-party integration with an official MCP server.
What do I get? / Deliverables
After registration against your specs, agents invoke generated tools that mirror documented operations without you maintaining parallel hand-written wrappers.
- MCP tool set aligned to operations in the loaded API spec
- Faster agent access to REST, GraphQL, or event APIs without per-endpoint MCP code
- Repeatable regeneration when the spec version changes
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Journey fit
Dynamic API tooling is core build work when you wire external services and internal backends into agent workflows. Integrations subphase is where spec-driven MCP generation replaces one-off HTTP glue for each endpoint.
How it compares
Spec-driven dynamic MCP generator, not a curated single-vendor integration pack.
Common Questions / FAQ
Who is AionMCP for?
It is for developers who maintain OpenAPI, GraphQL, or AsyncAPI documents and want MCP tools generated automatically for coding agents.
When should I use AionMCP?
Use it during build-phase integration work when you are connecting agents to your own or partner APIs and the contract is already described in a standard spec.
How do I add AionMCP to my agent?
Install or run the server from the GitHub repository per its README, point it at your API specification, then add the MCP server block to Claude Code, Cursor, or another MCP client.