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Hermes MCP Server

Hermes MCP Server

by 718haxi
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JavaScript
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Hermes MCP Server ??

A lightweight Model Context Protocol server built with pure Node.js ? zero dependencies, 9 built-in tools.

Quick Start

# No install needed ? just run with Node.js
node server.mjs

Send JSON-RPC 2.0 messages over stdin:

{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}

Related MCP server: Search MCP Server

CLI Client

The repo includes mcp.mjs ? a convenient CLI wrapper:

node mcp.mjs system_info
node mcp.mjs web_search_github query="OpenClaw" limit=3
node mcp.mjs web_fetch url="https://example.com"
node mcp.mjs memory_store key="hello" value="world"
node mcp.mjs memory_get key="hello"

Available Tools

Tool

Description

system_info

OS, hostname, arch, Node version

web_fetch

Fetch any URL (with timeout)

web_search_github

Search GitHub repositories

file_read

Read file content

file_write

Write content to file

file_list

List directory contents

shell_exec

Execute shell commands

memory_store

Persist key-value data

memory_get

Retrieve stored data

Why?

MCP lets AI agents use tools in a standardized way. This server provides a foundation for:

  • Adding web search and file operations to any MCP-compatible agent

  • Building custom MCP toolchains

  • Learning the MCP protocol internals

License

MIT

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

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