tools/schema.json at main · WebMCP-Tools/tools · GitHub

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{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://github.com/WebMCP-Tools/tools/schema.json",
    "title": "WebMCP Tool Configuration",
    "description": "Schema for tool config.json files in the WebMCP-Tools/tools repository",
    "type": "object",
    "required": [
        "id",
        "name",
        "description",
        "category",
        "icon",
        "version",
        "author",
        "tags",
        "tools"
    ],
    "properties": {
        "id": {
            "type": "string",
            "description": "Unique tool identifier (must match folder name)",
            "pattern": "^[a-z0-9-]+$"
        },
        "name": {
            "type": "string",
            "description": "Human-readable tool name"
        },
        "description": {
            "type": "string",
            "description": "Brief description of the tool set"
        },
        "category": {
            "type": "string",
            "description": "Tool category (e.g. CMS, E-Commerce, Starter)"
        },
        "icon": {
            "type": "string",
            "description": "Icon name from the Lucide icon set"
        },
        "version": {
            "type": "string",
            "description": "Semantic version",
            "pattern": "^\\d+\\.\\d+\\.\\d+$"
        },
        "author": {
            "type": "string",
            "description": "Author name or organization"
        },
        "tags": {
            "type": "array",
            "items": {
                "type": "string"
            },
            "description": "Searchable tags"
        },
        "tools": {
            "type": "array",
            "minItems": 1,
            "items": {
                "type": "object",
                "required": [
                    "name",
                    "description",
                    "inputSchema",
                    "readOnly"
                ],
                "properties": {
                    "name": {
                        "type": "string",
                        "description": "Function name (must match export in handler.js)",
                        "pattern": "^[a-z_][a-z0-9_]*$"
                    },
                    "description": {
                        "type": "string",
                        "description": "What this tool does"
                    },
                    "inputSchema": {
                        "type": "object",
                        "description": "JSON Schema for tool input parameters"
                    },
                    "readOnly": {
                        "type": "boolean",
                        "description": "Whether the tool only reads data (true) or can mutate state (false)"
                    }
                }
            }
        }
    }
}