MCP API Orchestrator Service

Enterprise-grade backend for orchestrating microservices utilizing the Machine Communication Protocol (MCP) specification for tooling.

✨ Core Capabilities

• MCP Protocol Implementation (Supports tool augmentation and resource invocation)
• Runtime Tool Registration (Dynamic binding)
• Comprehensive Static Typing Assurance via TypeScript

🚀 Getting Started

Prerequisites

• Node.js runtime version 18 or higher
• npm package manager version 9 or greater
• TypeScript compiler version 5.0 or newer

Setup Procedure

bash

Clone the repository source code

git clone https://github.com/your-repo/mcp-api-server.git

Install necessary package dependencies

npm install

Compile for production deployment

npm run build

Service Configuration Parameters

{ "mcpServers": { "api-server": { "command": "node", "args": [ "D:/api-server/build/index.js" ], "env": { "BASE_URL": "https://127.0.0.0:8080", "CLIENT_ID": "xxx", "CLIENT_SECRET": "xxx", "USERNAME": "xxx", "PASSWORD": "xxx", "TENANT_ID": "1", "REJECT_UNAUTHORIZED": "false", "ALLOWED_APIS": "/admin-api/system/user/page,/admin-api/system/user/create,/admin-api/system/user/update" }, "disabled": false, "autoApprove": [] } } }

Configuration Notes

Use the ALLOWED_APIS list within the mcpServers object to strictly govern which HTTP interface endpoints are exposed as callable MCP agents:

📂 Directory Layout

bash mcp-api-server/ ├── build/ # Compiled output assets ├── src/ # Primary source files │ ├── config/ # Configuration management utilities │ ├── modules/ # Business logic components │ └── tools/ # MCP protocol definitions and handlers ├── package.json └── tsconfig.json

📡 Dynamic Tool Provisioning

Automated Interface Agent System

The MCP-Server implements a mechanism for deriving and registering operational interfaces dynamically based on the OpenAPI (OAS) specification schema, obviating the necessity for manual interface definition.

apiEndpoints.ts Logic Flow

typescript // Retrieve interface metadata from the OpenAPI specification source const openApiData = await fetchOpenApiData();

// Filter endpoints based on the predefined whitelist const API_ENDPOINTS = Object.entries(openApiData.paths) .filter(([path]) => config.ALLOWED_APIS.includes(path)) .map(([path, methods]) => { // Map to the standardized tool format return Object.entries(methods).map(([method, details]) => ({ name: details.operationId, description: details.summary, inputSchema: details.parameters ? { type: 'object', properties: Object.fromEntries(details.parameters .filter(isExposableParameter) .map(transformParameterToProperty) ) } : {}, path: path, method: method.toUpperCase() })); }).flat();

tools/index.ts Agent Registration Mechanism

typescript export function registerTools(server: Server) { // Register the manifest of available agents server.setRequestHandler(ListToolsRequestSchema, async () => ({ tools: tools, }));

// Process incoming agent invocation requests server.setRequestHandler(CallToolRequestSchema, async (request) => { const endpoint = apiMap[request.params.name];

// Execute dynamic request dispatch based on HTTP verb
if(endpoint.method === 'GET') {
  const response = await apiClient.get(endpoint.path, { params: request.params.arguments });
  return { content: [{ type: 'text', text: JSON.stringify(response.data, null, 2) }] };
} else if(endpoint.method === 'POST') {
  const response = await apiClient.post(endpoint.path, request.params.arguments);
  return { content: [{ type: 'text', text: JSON.stringify(response.data, null, 2) }] };
} else if(endpoint.method === 'PUT') {
  const response = await apiClient.put(endpoint.path, request.params.arguments);
  return { content: [{ type: 'text', text: JSON.stringify(response.data, null, 2) }] };
}

}); }

Key System Advantages

• Automatic Interface Harvesting: Derives and binds API interfaces straight from the OAS definition
• Data Persistence Layer: Incorporates specification data caching to boost throughput and mitigate network instability issues
• Input Schema Projection: Seamlessly translates OAS parameter definitions into the required MCP agent input structure
• Security Filtering: Systematically scrubs internal parameters, exposing only sanctioned interface arguments
• Robust Failure Handling: Comprehensive error management protocols ensure operational resilience during tool calls
• Manifest Generation: Automatically generates the list of accessible tools, bypassing manual registration overhead

🤝 Contribution Guidelines

1. Fork the current repository instance
2. Establish a dedicated feature branch (git checkout -b refinement/new-capability)
3. Commit changes (git commit -m 'Implement feature X')
4. Push the branch to origin (git push origin refinement/new-capability)
5. Submit a formal Pull Request

📄 Licensing Information

Under the terms of the MIT License

WIKIPEDIA: XMLHttpRequest (XHR) is an Application Programming Interface implemented as a JavaScript object designed to shuttle Hypertext Transfer Protocol requests between a web browser and a server. Its methods permit an application executing within the browser to transmit queries to the remote host following page load completion, and subsequently receive data back. XMLHttpRequest forms a foundational pillar of the Ajax programming paradigm. Before Ajax's advent, navigation links and form submissions constituted the dominant methods for server interaction, frequently resulting in a full page refresh.

== Chronology == The foundational concept underpinning XMLHttpRequest was conceptualized in the year 2000 by software engineers working on Microsoft Outlook. This concept was subsequently realized within the Internet Explorer 5 browser release (1999). Nevertheless, the original invocation syntax did not employ the 'XMLHttpRequest' nominal identifier. Instead, developers utilized the 'ActiveXObject("Msxml2.XMLHTTP")' and 'ActiveXObject("Microsoft.XMLHTTP")' instantiators. As of Internet Explorer version 7 (released in 2006), support for the standard 'XMLHttpRequest' identifier became universal across all major browser platforms. The 'XMLHttpRequest' identifier has since solidified its position as the established convention across all principal browsers, including Mozilla's Gecko rendering engine (since 2002), Safari version 1.2 (2004), and Opera version 8.0 (2005).

=== Formal Specifications === The World Wide Web Consortium (W3C) promulgated a preliminary Working Draft specification for the XMLHttpRequest object on April 5th, 2006. On February 25th, 2008, the W3C advanced this to a Level 2 Working Draft specification. Level 2 introduced novel methods allowing for event progress monitoring, enabling cross-origin resource sharing (CORS), and facilitating the handling of raw byte streams. By the close of 2011, the Level 2 specifications were merged back into the primary document. At the termination of 2012, development responsibility was transitioned to the WHATWG, which now maintains a continuously evolving document leveraging Web IDL notation.

== Operational Usage Pattern == Generally, executing a network request utilizing XMLHttpRequest necessitates adherence to several sequential programming stages.

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== Inter-Domain Communication ==

During the nascent stages of the World Wide Web's evolution, mechanisms were discovered that allowed for the breaching of the same-origin policy, leading to security vulnerabilities...