Koskamo

Agent Output Guard MCP

An MCP server designed to validate and verify data from other agents before acting on it, using pure computation to avoid LLM costs. It provides tools for JSON schema verification, hallucination detection, data freshness validation, cross-reference checking, and output consistency scoring to address coordination failures in multi-agent systems.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Agent Output Guard MCP logo, by agenson-toolsCommunity listingLocal stdioSource reviewed; not executedPublished by agenson-tools
Vendor documentation

What you can do with it

  • Validate agent data against expected JSON schemas with confidence scoring
  • Scan agent output for uncertainty patterns and fabrication indicators
  • Check timestamps and staleness indicators for data freshness
  • Compare data across multiple agent sources for consistency

Source and maintenance

Community listingRegistry 1.0.8MIT
mcp-registry: io.github.agenson-horrowitz/agent-output-guard@1.0.8Source repository
Last repository push
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@agenson-horrowitz/agent-output-guard-mcp 1.0.8

npm
@agenson-horrowitz/agent-output-guard-mcp package definition
{
  "version": "1.0.8",
  "transport": "stdio",
  "identifier": "@agenson-horrowitz/agent-output-guard-mcp",
  "registryType": "npm"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · unchanged
  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "agent-output-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@agenson-horrowitz/agent-output-guard-mcp@1.0.8"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "agent-output-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@agenson-horrowitz/agent-output-guard-mcp@1.0.8"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "agent-output-guard-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@agenson-horrowitz/agent-output-guard-mcp@1.0.8"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "agent-output-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@agenson-horrowitz/agent-output-guard-mcp@1.0.8"
      ]
    }
  }
}

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