Agent Output Guard MCP Server: Install & Setup

Install Agent Output Guard in Claude Code

Claude Code

claude mcp add agent-output-guard -- npx -y @agenson-horrowitz/agent-output-guard-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "agent-output-guard": {
      "command": "npx",
      "args": [
        "-y",
        "@agenson-horrowitz/agent-output-guard-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Agent Output Guard MCP server do?

Validate and verify data from other agents before acting on it. Zero LLM costs.

Is the Agent Output Guard MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Agent Output Guard run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Agent Output Guard to Claude Code?

Run: claude mcp add agent-output-guard -- npx -y @agenson-horrowitz/agent-output-guard-mcp

More ai agents & coding agents MCP servers

View all

Cua

31k

trycua/cua

MCP server for the Computer-Use Agent (CUA), allowing you to run CUA through Claude Desktop or other MCP clients.

LocalFree

Serena

31k

oraios/serena

Coding agent that uses language servers for symbolic code operations.

LocalFreePython

Mastra/

29k

mastra-ai/mastra

Client implementation for Mastra, providing seamless integration with MCP-compatible AI models and tools.

LocalFree

Desktop Commander

10k

wonderwhy-er/DesktopCommanderMCP

Manage and execute programs, and read, write, search and edit code and text files.

LocalFreeTypeScript

Ouroboros

6.3k

Q00/ouroboros

Local agent OS for spec-first AI coding: a replayable, ledger-recorded interview, seed, execute, evaluate and evolve loop that MCP clients can drive.

LocalFreePython

Lingo.dev

5.4k

lingodotdev/lingo.dev

Make your AI agent speak every language on the planet, using Lingo.dev Localization Engine.

LocalFree