{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/flowise/main/json-schema/flowise-tool-schema.json", "title": "Tool", "description": "A Flowise tool definition: a callable function or HTTP shim that agents can invoke.", "type": "object", "properties": { "id": { "type": "string", "format": "uuid" }, "name": { "type": "string" }, "description": { "type": "string" }, "color": { "type": ["string", "null"] }, "iconSrc": { "type": ["string", "null"] }, "schema": { "type": "string", "description": "JSON schema of the tool's parameters." }, "func": { "type": "string", "description": "Tool implementation, typically JavaScript." }, "createdDate": { "type": "string", "format": "date-time" }, "updatedDate": { "type": "string", "format": "date-time" } }, "required": ["id", "name", "description"] }