Verity MCP

An MCP server that allows AI agents to perform fail-closed verification of factual claims, screen for prompt injection, detect PII, and gate irreversible actions. It provides calibrated verdicts with evidence and confidence scores, supporting pay-per-call pricing via x402 on Base mainnet.

Visit VerityLayer

Package and access

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

Community listingLocal stdioSource reviewed; not executedPublished by VerityLayer

Vendor documentation

What you can do with it

Fact-check AI-generated claims against live web sources
Screen untrusted text for prompt injection attacks
Detect and redact personally identifiable information (PII)
Gate irreversible actions with allow/review/block logic

Source and maintenance

Community listingRegistry 0.3.0

mcp-registry: io.github.meloliva14/verity-mcp@0.3.0 Source repository Project website

Maintenance checked: Nov 1, 2026, 6:05 AM UTC

Packages and installation

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

verity-mcp 0.3.0

pypi

verity-mcp package definition

{
  "version": "0.3.0",
  "transport": "stdio",
  "identifier": "verity-mcp",
  "registryType": "pypi",
  "environmentVariables": [
    {
      "name": "VERITY_SUITE_URL",
      "default": "https://verity-suite.onrender.com",
      "description": "Verity suite base URL"
    },
    {
      "name": "VERITY_ENGINE_URL",
      "default": "https://api.veritylayer.dev",
      "description": "Verity engine base URL"
    },
    {
      "name": "VERITY_PRICE_QUICK",
      "default": "$0.02",
      "description": "Disclosed per-call price for quick_verify"
    },
    {
      "name": "VERITY_PRICE_GROUNDED",
      "default": "$0.25",
      "description": "Disclosed per-call price for grounded_verify (Sonnet, web-grounded)"
    },
    {
      "name": "VERITY_PRICE_PRO",
      "default": "$0.35",
      "description": "Disclosed per-call price for pro_verify (Opus, premium synthesis)"
    },
    {
      "name": "VERITY_PRICE_SUITE",
      "default": "$0.02",
      "description": "Disclosed per-call price for the suite checks (detect_injection/moderate_content/redact_pii/guard_action, /quick tier)"
    }
  ]
}

Tools

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

No tool definitions available.

Connect from your client

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

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "verity-mcp": {
      "command": "uvx",
      "args": [
        "verity-mcp==0.3.0"
      ],
      "env": {
        "VERITY_SUITE_URL": "<YOUR_VERITY_SUITE_URL>",
        "VERITY_ENGINE_URL": "<YOUR_VERITY_ENGINE_URL>",
        "VERITY_PRICE_QUICK": "<YOUR_VERITY_PRICE_QUICK>",
        "VERITY_PRICE_GROUNDED": "<YOUR_VERITY_PRICE_GROUNDED>",
        "VERITY_PRICE_PRO": "<YOUR_VERITY_PRICE_PRO>",
        "VERITY_PRICE_SUITE": "<YOUR_VERITY_PRICE_SUITE>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "verity-mcp": {
      "command": "uvx",
      "args": [
        "verity-mcp==0.3.0"
      ],
      "env": {
        "VERITY_SUITE_URL": "<YOUR_VERITY_SUITE_URL>",
        "VERITY_ENGINE_URL": "<YOUR_VERITY_ENGINE_URL>",
        "VERITY_PRICE_QUICK": "<YOUR_VERITY_PRICE_QUICK>",
        "VERITY_PRICE_GROUNDED": "<YOUR_VERITY_PRICE_GROUNDED>",
        "VERITY_PRICE_PRO": "<YOUR_VERITY_PRICE_PRO>",
        "VERITY_PRICE_SUITE": "<YOUR_VERITY_PRICE_SUITE>"
      }
    }
  }
}

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": {
    "verity-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "verity-mcp==0.3.0"
      ],
      "env": {
        "VERITY_SUITE_URL": "<YOUR_VERITY_SUITE_URL>",
        "VERITY_ENGINE_URL": "<YOUR_VERITY_ENGINE_URL>",
        "VERITY_PRICE_QUICK": "<YOUR_VERITY_PRICE_QUICK>",
        "VERITY_PRICE_GROUNDED": "<YOUR_VERITY_PRICE_GROUNDED>",
        "VERITY_PRICE_PRO": "<YOUR_VERITY_PRICE_PRO>",
        "VERITY_PRICE_SUITE": "<YOUR_VERITY_PRICE_SUITE>"
      }
    }
  }
}

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": {
    "verity-mcp": {
      "command": "uvx",
      "args": [
        "verity-mcp==0.3.0"
      ],
      "env": {
        "VERITY_SUITE_URL": "<YOUR_VERITY_SUITE_URL>",
        "VERITY_ENGINE_URL": "<YOUR_VERITY_ENGINE_URL>",
        "VERITY_PRICE_QUICK": "<YOUR_VERITY_PRICE_QUICK>",
        "VERITY_PRICE_GROUNDED": "<YOUR_VERITY_PRICE_GROUNDED>",
        "VERITY_PRICE_PRO": "<YOUR_VERITY_PRICE_PRO>",
        "VERITY_PRICE_SUITE": "<YOUR_VERITY_PRICE_SUITE>"
      }
    }
  }
}

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