MCP Servers

thoughtproof-mcp

Adversarial multi-model reasoning verification for AI agents. Claude, Grok, and DeepSeek challenge each decision — returns ALLOW or HOLD with JWKS-signed attestation. x402-gated on Base.

README

@thoughtproof/mcp-server

MCP server that exposes ThoughtProof reasoning verification as a tool for Claude, Cursor, and any MCP-compatible host.

ThoughtProof runs adversarial multi-model critique on a claim and returns a verdict (ALLOW / HOLD / UNCERTAIN / DISSENT), a confidence score, and up to 3 key objections.

Install

npx @thoughtproof/mcp-server

Claude Desktop config

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "thoughtproof": {
      "command": "npx",
      "args": ["-y", "@thoughtproof/mcp-server"]
    }
  }
}

Example

User: Verify this trade: "Buy 50k USDC of ARB/USDC at market, stop-loss at -8%, no hedge."

Claude calls verify_reasoning:

{
  "claim": "Buy 50k USDC of ARB/USDC at market, stop-loss at -8%, no hedge.",
  "stakeLevel": "high",
  "domain": "financial"
}

Tool response:

Verdict: HOLD
Confidence: 41.2%

Key objections:
1. Market-order entry on low-liquidity pair risks significant slippage on a $50k position.
2. -8% stop-loss is within normal daily volatility for ARB; likely to be triggered without a directional move.
3. No hedge leaves full downside exposure during high-beta drawdowns.

Verified in 18432ms

Payment (x402)

ThoughtProof charges per verification via the x402 protocol (Base USDC). If payment is not attached the tool returns a clear paymentRequired message with wallet and amount details.

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