Schema | Effect OpenAPI MCP

Effect OpenAPI MCP

Describes the environment variables required to run the server.

Name	Required	Description	Default
`PORT`	No	Loopback HTTP port	3000
`MCP_TAGS`	No	JSON array of operation tags to expose	[]
`MCP_METHODS`	No	JSON array of lowercase HTTP methods to expose	[]
`MCP_TRANSPORT`	No	Transport to use: http or stdio	http
`MCP_TIMEOUT_MS`	No	Upstream deadline, including reading the response body	10000
`MCP_CREDENTIALS`	No	JSON object of security-scheme names to secrets	{}
`MCP_API_BASE_URL`	No	Optional target override; defaults to the spec's servers
`MCP_OPENAPI_SPEC`	Yes	OpenAPI JSON/YAML file or HTTPS URL
`MCP_TOOL_HEADERS`	No	Optional per-call header names exposed in tool inputs	[]
`MCP_MAX_SPEC_BYTES`	No	Total specification graph bytes	33554432
`MCP_REFERENCES_MODE`	No	External references mode: none, local, or same-origin	none
`MCP_REQUEST_HEADERS`	No	Fixed API request headers as a JSON object	{}
`MCP_SPEC_TIMEOUT_MS`	No	Specification read/download deadline	10000
`MCP_MAX_REQUEST_BYTES`	No	Maximum MCP HTTP input and encoded upstream request body bytes	8388608
`MCP_PARAMETER_PROFILE`	No	Parameter encoding profile; use spec for strict portable deepObject encoding	brackets-indexed
`MCP_MAX_RESPONSE_BYTES`	No	Maximum decoded upstream response bytes	8388608
`MCP_MAX_REFERENCE_DEPTH`	No	Maximum dereference chain length	64
`MCP_MAX_REFERENCE_DOCUMENTS`	No	Maximum root and referenced documents	128

Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.

This server publishes no instructions, or was last inspected before Glama recorded them.

Server capabilities have not been inspected yet.

Functions exposed to the LLM to take actions

Name	Description
No tools

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

This server cannot be deployed

ActivityMaintained

ResponsivenessNo issues