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First-Call Witness

com.textforagents/first-call-latency-witness · v1.1.5

Real MCP handshake witness graded per-client, signed expiring receipt.

Connect Remote server

Terminal
claude mcp add --transport http first-call-latency-witness https://textforagents.com/products/first-call-latency-witness/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "first-call-latency-witness": {
      "url": "https://textforagents.com/products/first-call-latency-witness/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "first-call-latency-witness": {
      "type": "http",
      "url": "https://textforagents.com/products/first-call-latency-witness/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://textforagents.com/products/first-call-latency-witness/mcp

Tools 3 found in our last check

  • budgets

    Get the versioned budget table

  • witness_check

    Witness check — paid work is refused over MCP; payments collect on the HTTP x402 surface (POST /check)

  • verify_receipt

    Verify a signed receipt envelope

Details

Endpointhttps://textforagents.com/products/first-call-latency-witness/mcp (Streamable HTTP)
First published8 Nov 2026
Last updated8 Nov 2026
Registry namecom.textforagents/first-call-latency-witness

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