openapi-mcp
MCP server for loading and exploring OpenAPI/Swagger specifications, enabling AI assistants to dynamically browse API contracts by loading specs, searching endpoints, inspecting schemas, and retrieving operations.
README
OpenApi MCP
MCP server for loading and exploring OpenAPI/Swagger specifications. Lets AI assistants browse API contracts dynamically — load any OpenAPI spec, search endpoints, inspect schemas, and retrieve operations — without needing the spec in-context.
Usage
Manually
Add to your MCP client config:
{
"mcpServers": {
"openapi-mcp": {
"command": "npx",
"args": ["-y", "@ceski23/openapi-mcp"]
}
}
}
Via AI agent
Ask your AI assistant to add it:
Add the MCP server
@ceski23/openapi-mcpto my config. Run it withnpx -y @ceski23/openapi-mcpvia stdio.
Most assistants can modify your MCP config file directly.
Tools
| Tool | Description |
|---|---|
load_spec |
Load an OpenAPI/Swagger spec from a URL or file path. Returns a specId used by other tools. |
find_operations |
Search operations by operationId, path, summary, tags, or description. |
get_operation |
Get full details for a specific operation by operationId. |
get_path |
Get all HTTP methods defined on a specific path. |
find_schemas |
Search schema/definition names. |
get_schema |
Get a fully dereferenced schema by name. |
search_contract |
Search both operations and schemas in one call. |
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