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mcp-client-general

Verified Safe

by daporun

Overview

A general-purpose Node.js client for the Model Context Protocol (MCP) servers, facilitating robust JSON-RPC 2.0 communication over stdin/stdout and managing child server processes.

Installation

Run Command
mcp run --profile web-dev

Environment Variables

  • MCP_DEBUG
  • MCP_PROFILE_SERVER

Security Notes

The provided source code is for 'mcp-client-general', which acts as a client to an MCP-compatible server, not an MCP server itself. Its primary function involves spawning external MCP servers as child processes and communicating with them via stdio. The client code uses a robust, framing-agnostic JSON parser to handle incoming data, which helps mitigate risks associated with malformed input often seen with 'Content-Length' headers. It does not use 'eval' or other inherently dangerous functions. However, as the client executes arbitrary commands to launch the MCP server, the overall security of the system depends on the trustworthiness of the external server command and its arguments. Users must ensure that any command supplied to `mcp run` or programmatically to `MCPProcess` is from a trusted source.

Similar Servers

Stats

Interest Score0
Security Score8
Cost ClassLow
Avg Tokens150
Stars0
Forks0
Last Update2026-01-07

Tags

Node.jsCLIJSON-RPCProtocol ClientStreaming