Schema | clinicaltrialsgov-mcp-server

clinicaltrialsgov-mcp-server

Describes the environment variables required to run the server.

Name	Required	Description	Default
`LOGS_DIR`	No	Directory for log files (Node.js only).	<project-root>/logs
`OTEL_ENABLED`	No	Enable OpenTelemetry tracing.	false
`MCP_AUTH_MODE`	No	Auth mode: `none`, `jwt`, or `oauth`.	none
`MCP_HTTP_PORT`	No	Port for HTTP server.	3010
`MCP_LOG_LEVEL`	No	Log level (RFC 5424).	info
`CT_API_BASE_URL`	No	ClinicalTrials.gov API base URL.	https://clinicaltrials.gov/api/v2
`CT_MAX_PAGE_SIZE`	No	Maximum page size cap.	200
`MCP_SESSION_MODE`	No	HTTP session mode: `stateless`, `stateful`, or `auto`.	stateless
`MCP_TRANSPORT_TYPE`	No	Transport: `stdio` or `http`.	stdio
`CT_REQUEST_TIMEOUT_MS`	No	Per-request timeout in milliseconds.	30000
`LOG_TOOL_FAILURE_PAYLOADS`	No	Log each failed tool call's arguments and result, redacted by key name and capped at `LOG_TOOL_FAILURE_PAYLOAD_MAX_BYTES` (default `16384`). A secret inside a free-form value is not redacted.	false
`OTEL_EXPORTER_OTLP_ENDPOINT`	No	OTLP base URL; traces export to `/v1/traces`, metrics to `/v1/metrics`. Unset exports nothing.
`OTEL_EXPORTER_OTLP_LOGS_ENDPOINT`	No	Opt-in OTLP log export; the base endpoint never enables it.

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