Real MCP handshake witness graded per-client, signed expiring receipt.
Connect Remote server
claude mcp add --transport http first-call-latency-witness https://textforagents.com/products/first-call-latency-witness/mcp
{
"mcpServers": {
"first-call-latency-witness": {
"url": "https://textforagents.com/products/first-call-latency-witness/mcp"
}
}
}
{
"servers": {
"first-call-latency-witness": {
"type": "http",
"url": "https://textforagents.com/products/first-call-latency-witness/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://textforagents.com/products/first-call-latency-witness/mcp
Tools 3 found in our last check
budgetsGet the versioned budget table
witness_checkWitness check — paid work is refused over MCP; payments collect on the HTTP x402 surface (POST /check)
verify_receiptVerify a signed receipt envelope
Details
| Endpoint | https://textforagents.com/products/first-call-latency-witness/mcp (Streamable HTTP) |
| First published | 8 Nov 2026 |
| Last updated | 8 Nov 2026 |
| Registry name | com.textforagents/first-call-latency-witness |
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