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MCP Servers Overview

Standard Beagle provides high-quality MCP (Model Context Protocol) servers that extend Claude Code's capabilities.

What is MCP?​

The Model Context Protocol (MCP) is an open standard for connecting AI assistants to external tools and data sources. MCP servers provide:

  • Tools: Functions that Claude can call
  • Resources: Data sources Claude can read
  • Prompts: Pre-defined prompts for specific tasks

Available Servers​

ServerNPM PackageDescription
agnt@standardbeagle/agntBrowser debugging and automation
lci@standardbeagle/lciLightning code intelligence

Installation​

# Run directly with npx
npx @standardbeagle/agnt@latest mcp
npx @standardbeagle/lci@latest mcp

Using Plugins​

# Install plugin (includes MCP server)
claude mcp add agnt --source ./plugins/agnt
claude mcp add lci --source ./plugins/lci

Global Installation​

# Install globally
npm install -g @standardbeagle/agnt
npm install -g @standardbeagle/lci

# Run MCP server
agnt mcp
lci mcp

Configuration​

Claude Code Configuration​

Add to your Claude Code configuration:

{
  "mcpServers": {
    "agnt": {
      "command": "npx",
      "args": ["-y", "@standardbeagle/agnt@latest", "mcp"]
    },
    "lci": {
      "command": "npx",
      "args": ["-y", "@standardbeagle/lci@latest", "mcp"]
    }
  }
}

Environment Variables​

# agnt configuration
export AGNT_DAEMON_URL="http://localhost:8080"

# lci configuration
export LCI_INDEX_PATH=".lci-index"

MCP Specification​

All servers follow the official MCP specification:

  • Version: 2025-06-18
  • Transport: stdio
  • Capabilities: tools, resources (where applicable)

Resources​

Versioning​

Servers follow semantic versioning:

  • Major: Breaking changes
  • Minor: New features, backward compatible
  • Patch: Bug fixes

Always use @latest tag for automatic updates:

npx @standardbeagle/agnt@latest mcp

Security​

All servers:

  • Run locally (no external network calls)
  • Use stdio transport (secure)
  • Don't store credentials
  • Respect file system permissions

Support​

  • Issues: GitHub Issues
  • NPM: View package pages for each server
  • Documentation: See individual server pages