Coolify MCP Server

Instructions

Implementation Reference

• src/tools/handlers.ts:268-270 (handler)

  The core handler logic for the 'get_application_envs' tool within the handleTool function's switch statement. It validates the required 'uuid' parameter and fetches the application's environment variables from the Coolify API.

  case 'get_application_envs':
    requireParam(args, 'uuid');
    return client.get(`/applications/${args.uuid}/envs`);

• src/tools/definitions.ts:870-878 (schema)

  The JSON schema definition for the 'get_application_envs' tool, specifying the input parameters and validation rules.

  {
    name: 'get_application_envs',
    description: 'Get environment variables for an application',
    inputSchema: {
      type: 'object',
      properties: { uuid: { type: 'string', description: 'Application UUID' } },
      required: ['uuid']
    }
  },

• src/index.ts:36-38 (registration)

  Registration of tool list handler in MCP server, which returns all tool definitions including 'get_application_envs' via getToolDefinitions().

  this.server.setRequestHandler(ListToolsRequestSchema, async () => ({
    tools: getToolDefinitions()
  }));

• src/index.ts:41-67 (registration)

  MCP server request handler for tool calls, which dispatches to handleTool including execution of 'get_application_envs'.

  this.server.setRequestHandler(CallToolRequestSchema, async (request) => {
    if (!this.client) {
      throw new McpError(ErrorCode.InternalError, 'Client not initialized');
    }
  
    const { name, arguments: args } = request.params;
  
    // Block write operations in read-only mode
    if (isReadOnlyMode() && !READ_ONLY_TOOLS.includes(name)) {
      throw new McpError(
        ErrorCode.InvalidRequest,
        `Operation '${name}' is not allowed in read-only mode. Set COOLIFY_READONLY=false to enable write operations.`
      );
    }
  
    try {
      const result = await handleTool(this.client, name, args || {});
      return {
        content: [{ type: 'text', text: JSON.stringify(result, null, 2) }]
      };
    } catch (error) {
      if (error instanceof McpError) throw error;
      
      const message = error instanceof Error ? error.message : 'Unknown error';
      throw new McpError(ErrorCode.InternalError, `Tool execution failed: ${message}`);
    }
  });

• src/tools/definitions.ts:23-23 (schema)

  Inclusion of 'get_application_envs' in READ_ONLY_TOOLS array, ensuring it's available in read-only mode.

  'get_application_envs',