{"name":"list_capabilities","title":"List capability index","description":"List capabilities in the 404 catalog with tool counts. Use to explore the Capability Graph before searching.","use_when":"List capabilities in the 404 catalog with tool counts. Use to explore the Capability Graph before searching.","href":"/tools/list_capabilities","kind":"404_service_tool","version":"0.10.2","input_schema":{"type":"object","properties":{},"$schema":"http://json-schema.org/draft-07/schema#","additionalProperties":false},"annotations":{"readOnlyHint":true,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false},"invocation":{"mcp":{"endpoint":"/mcp","method":"tools/call","name":"list_capabilities"},"rest":{"method":"GET","path":"/v1/capabilities","input_mapping":"No arguments. Lists ecosystem capability labels, not callable 404 tool names."}}}