C2S Agent

v1.0.0Coding Agentsstable

C2S Agent is an lightweight AI Agent construction platform that provides configurable online Agents and MCP services, You can configure any HTTP request interface as an MCP tool. C2S Agent 是一个轻量级的AI Agent构建平台,提供在线可配置的Agent,MCP,您可以一个HTTP请求的接口配置成为一个MCP

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What is C2S Agent?

C2S Agent is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to c2s agent is an lightweight ai agent construction platform that provides configurable online agents and mcp services, you can configure any http request interface as an mcp tool. c2s agent 是一个轻量级的ai a...

C2S Agent is an lightweight AI Agent construction platform that provides configurable online Agents and MCP services, You can configure any HTTP request interface as an MCP tool. C2S Agent 是一个轻量级的AI Agent构建平台,提供在线可配置的Agent,MCP,您可以一个HTTP请求的接口配置成为一个MCP

This server falls under the Coding Agents category on MCPgee, the world's largest MCP server directory with 33,000+ servers.

Features

  • C2S Agent is an lightweight AI Agent construction platform t

Use Cases

Build lightweight AI agents with configurable HTTP tools.
Configure any HTTP API endpoint as an MCP tool.
Create multi-agent systems with orchestration support.
C2SAgent

Maintainer

LicenseMIT
Languagepython
Versionv1.0.0
UpdatedMay 21, 2026
Statushealthy
Maintenanceactive

Works with

ClaudeOpenAIwindowsmacoslinux

Installation

Manual Installation

npx c2sagent

Configuration

Configuration Details

Config File

claude_desktop_config.json

Performance

Response Metrics

Response Time< 200ms
ThroughputMedium

Resource Usage

Memory UsageLow
CPU UsageLow

How to Set Up and Use C2S Agent

C2S Agent is a lightweight AI Agent construction platform that lets you configure any HTTP request interface as an MCP tool through a visual web UI, then expose those tools to AI agents via a single-port HTTP multi-MCP service. It supports A2A (Agent-to-Agent) protocol for multi-agent collaboration, lets you bind LLMs to configurable agents through a simple form-based interface, and requires no custom code to connect REST APIs to your AI workflows. Teams use it to rapidly prototype and deploy AI agents with custom toolsets without writing MCP server boilerplate.

Prerequisites

  • Docker and Docker Compose installed (recommended deployment method)
  • Git to clone the repository
  • An LLM endpoint URL and API key for the models your agents will use
  • PostgreSQL and MongoDB instances (started automatically via Docker Compose)
  • A web browser to access the configuration UI after deployment
1

Clone the repository

Clone the C2S Agent repository to your local machine.

git clone https://github.com/C2SAgent/c2sagent.git
cd c2sagent
2

Configure environment variables

Create or edit the .env file with your LLM endpoint and credentials. At minimum you need the LLM URL and API key.

# .env
llm_url=https://api.openai.com/v1
api_key=your-api-key-here
3

Start the backend with Docker Compose

Launch the backend services including PostgreSQL, MongoDB, and the C2S Agent API server.

cd docker
docker-compose up --build -d
4

Start the frontend

Launch the Vue.js frontend separately.

cd vue-frontend
docker-compose up -d
5

Configure agents and MCP tools via the UI

Open the web UI in your browser and create agents by specifying the LLM model, description, and attaching MCP services. Each HTTP endpoint you configure becomes an MCP tool automatically.

6

Connect to the MCP service

Point your MCP client at the C2S Agent MCP endpoint. The mcp_server_id parameter routes to the correct configured MCP service.

{
  "mcpServers": {
    "c2sagent": {
      "command": "npx",
      "args": ["c2sagent"],
      "env": {
        "C2SAGENT_API_URL": "http://localhost:8000",
        "C2SAGENT_API_KEY": "your-api-key"
      }
    }
  }
}

C2S Agent Examples

Client configuration

MCP client configuration pointing at a locally deployed C2S Agent instance.

{
  "mcpServers": {
    "c2sagent": {
      "command": "npx",
      "args": ["c2sagent"],
      "env": {
        "C2SAGENT_API_URL": "http://localhost:8000",
        "C2SAGENT_API_KEY": "your-api-key-here"
      }
    }
  }
}

Prompts to try

Once C2S Agent is running and configured, try these prompts.

- "List all MCP services configured in C2S Agent and their available tools"
- "Use the weather tool to get the current forecast for Tokyo"
- "Call the inventory API endpoint and return items with stock below 10"
- "Delegate this subtask to the worker agent via A2A protocol and return the result"
- "Configure a new MCP tool that calls POST /api/v1/orders with a JSON body"

Troubleshooting C2S Agent

Docker Compose fails to start with database connection errors

PostgreSQL and MongoDB need time to initialize on first boot. Wait 30-60 seconds and check `docker-compose logs` to confirm the databases are ready before the API server starts. Run `docker-compose restart` if the API started too early.

Frontend cannot connect to backend API

Ensure the nginx.conf in vue-frontend is configured with the correct backend hostname and port. For local deployments use the Docker gateway IP (typically 172.17.0.1) rather than localhost when frontend and backend are in separate containers.

HTTP tools return authentication errors when called via MCP

Check the API key and endpoint URL configured for each MCP tool in the web UI. Verify that the target HTTP endpoint is reachable from the Docker network—use the host machine's IP or a Docker network alias rather than localhost.

Frequently Asked Questions about C2S Agent

What is C2S Agent?

C2S Agent is a Model Context Protocol (MCP) server that c2s agent is an lightweight ai agent construction platform that provides configurable online agents and mcp services, you can configure any http request interface as an mcp tool. c2s agent 是一个轻量级的ai agent构建平台,提供在线可配置的agent,mcp,您可以一个http请求的接口配置成为一个mcp It connects AI assistants to external tools and data sources through a standardized interface.

How do I install C2S Agent?

Follow the installation instructions on the C2S Agent GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.

Which AI clients work with C2S Agent?

C2S Agent works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.

Is C2S Agent free to use?

Yes, C2S Agent is open source and available under the MIT license. You can use it freely in both personal and commercial projects.

Browse More Coding Agents MCP Servers

Explore all coding agents servers available in the MCPgee directory. Each server includes setup guides for Claude, Cursor, and VS Code.

Quick Config Preview

{ "mcpServers": { "c2sagent": { "command": "npx", "args": ["-y", "c2sagent"] } } }

Add this to your claude_desktop_config.json or .cursor/mcp.json

Read the full setup guide →

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