{"version":3,"file":"mcp.mjs","names":["Type.String","Type.Object","Type.Array","Type.Optional","Type.Integer"],"sources":["../src/mcp.ts"],"sourcesContent":["import { Server } from \"@modelcontextprotocol/sdk/server/index.js\";\nimport {\n CallToolRequestSchema,\n ListToolsRequestSchema,\n type CallToolResult,\n type Tool,\n type ToolAnnotations,\n} from \"@modelcontextprotocol/sdk/types.js\";\nimport { Type, type Static, type TSchema } from \"typebox\";\nimport {\n bulkPackagesOperation,\n dependenciesOperation,\n ecosystemsOperation,\n maintainersOperation,\n MAX_BULK_CONCURRENCY,\n MAX_BULK_PACKAGES,\n MAX_PURL_LENGTH,\n packageOperation,\n type ToolResult,\n versionsOperation,\n} from \"./tool-operations.ts\";\nimport { version } from \"./version.ts\";\n\nconst PURL = Type.String({\n minLength: 1,\n maxLength: MAX_PURL_LENGTH,\n description: \"Package URL, for example pkg:npm/lodash or pkg:pypi/requests@2.32.3\",\n});\n\nconst PURLParams = Type.Object({ purl: PURL }, { additionalProperties: false });\nconst BulkPackagesParams = Type.Object(\n {\n purls: Type.Array(PURL, { minItems: 1, maxItems: MAX_BULK_PACKAGES }),\n concurrency: Type.Optional(Type.Integer({ minimum: 1, maximum: MAX_BULK_CONCURRENCY })),\n },\n { additionalProperties: false },\n);\nconst EmptyParams = Type.Object({}, { additionalProperties: false });\n\nconst REMOTE_READ: ToolAnnotations = {\n readOnlyHint: true,\n destructiveHint: false,\n idempotentHint: false,\n openWorldHint: true,\n};\nconst LOCAL_READ: ToolAnnotations = {\n readOnlyHint: true,\n destructiveHint: false,\n idempotentHint: true,\n openWorldHint: false,\n};\n\ninterface RegistryTool {\n readonly name: string;\n readonly title: string;\n readonly description: string;\n readonly inputSchema: S;\n readonly annotations: ToolAnnotations;\n execute(params: Readonly>, signal?: AbortSignal): Promise>;\n}\n\nfunction defineTool(tool: Readonly>): RegistryTool {\n return tool;\n}\n\nconst tools = [\n defineTool({\n name: \"registries_package\",\n title: \"Get package metadata\",\n description: \"Fetch normalized metadata for one package URL.\",\n inputSchema: PURLParams,\n annotations: REMOTE_READ,\n execute: packageOperation,\n }),\n defineTool({\n name: \"registries_versions\",\n title: \"List package versions\",\n description: \"List normalized versions for one package URL.\",\n inputSchema: PURLParams,\n annotations: REMOTE_READ,\n execute: versionsOperation,\n }),\n defineTool({\n name: \"registries_dependencies\",\n title: \"List package dependencies\",\n description: \"List dependencies for a versioned package URL.\",\n inputSchema: PURLParams,\n annotations: REMOTE_READ,\n execute: dependenciesOperation,\n }),\n defineTool({\n name: \"registries_maintainers\",\n title: \"List package maintainers\",\n description: \"List normalized maintainers for one package URL.\",\n inputSchema: PURLParams,\n annotations: REMOTE_READ,\n execute: maintainersOperation,\n }),\n defineTool({\n name: \"registries_bulk_packages\",\n title: \"Get package metadata in bulk\",\n description: \"Fetch normalized package metadata for up to 50 package URLs.\",\n inputSchema: BulkPackagesParams,\n annotations: REMOTE_READ,\n execute: bulkPackagesOperation,\n }),\n defineTool({\n name: \"registries_ecosystems\",\n title: \"List registry ecosystems\",\n description: \"List package ecosystems registered by this package.\",\n inputSchema: EmptyParams,\n annotations: LOCAL_READ,\n execute: ecosystemsOperation,\n }),\n] as const;\n\ntype AnyRegistryTool = (typeof tools)[number];\n\nfunction errorMessage(error: unknown): string {\n return error instanceof Error ? error.message : String(error);\n}\n\nfunction sanitizeField(value: string): string {\n return Array.from(value)\n .map((character) => {\n const code = character.codePointAt(0) ?? 0;\n return code <= 31 || (code >= 127 && code <= 159) ? \" \" : character;\n })\n .join(\"\");\n}\n\nfunction errorResult(text: string): CallToolResult {\n return { content: [{ type: \"text\", text: sanitizeField(text) }], isError: true };\n}\n\nfunction toCallToolResult(result: ToolResult): CallToolResult {\n return { content: result.content, ...(result.isError ? { isError: true } : {}) };\n}\n\n/**\n * SAFETY: TypeBox schemas conform to the JSON Schema object accepted by MCP.\n *\n * @param schema - TypeBox schema to expose through MCP.\n * @returns {Tool[\"inputSchema\"]} The same schema under the MCP SDK type.\n */\nfunction toMcpSchema(schema: TSchema): Tool[\"inputSchema\"] {\n return schema as unknown as Tool[\"inputSchema\"];\n}\n\nexport function createMcpServer(): Server {\n const toolsByName = new Map(tools.map((tool) => [tool.name, tool]));\n const server = new Server({ name: \"registries\", version }, { capabilities: { tools: {} } });\n\n server.setRequestHandler(ListToolsRequestSchema, () => ({\n tools: tools.map((tool): Tool => ({\n name: tool.name,\n title: tool.title,\n description: tool.description,\n inputSchema: toMcpSchema(tool.inputSchema),\n annotations: tool.annotations,\n })),\n }));\n\n server.setRequestHandler(CallToolRequestSchema, async (request, extra) => {\n const tool = toolsByName.get(request.params.name);\n if (!tool) return errorResult(`Unknown registries tool: ${request.params.name}`);\n\n const args = request.params.arguments ?? 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