ClinicalTrials.gov MCP by usefulapi MCP Tools
ClinicalTrials.gov MCP by usefulapi exposes 7 tools. Each one has its own page with the configuration for every client that can run this server.
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clinicaltrialsgov_search_studiesclinicaltrialsgov search studies
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clinicaltrialsgov_get_studyclinicaltrialsgov get study
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clinicaltrialsgov_count_studiesclinicaltrialsgov count studies
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clinicaltrialsgov_list_field_valuesclinicaltrialsgov list field values
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clinicaltrialsgov_get_study_metadataclinicaltrialsgov get study metadata
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clinicaltrialsgov_get_studies_statsclinicaltrialsgov get studies stats
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clinicaltrialsgov_get_api_versionclinicaltrialsgov get api version
This list was read from the server itself, by connecting to it and calling tools/list on 14 November 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.