Futility Breaker

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "futility-breaker": {
      "type": "http",
      "url": "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp"
    }
  }
}

6 tools

• futility_register_run

  Register a run with its alternatives and operator-registered source identities (strings or {id, aliases}) before judging.

• futility_judge

  Record one usefulness judgment (useful / useless / partial) for a run/source/domain and return the binding verdict (CONTINUE / STOP-SOURCE / INTEGRATE-NOW / ABSTAIN). Billed as a verdict call: one-time trial, tier allowance, or x402 $0.002.

• futility_verdict

  Read the current verdict for a run/source/domain without recording a judgment.

• futility_waste_report

  Waste report for a run: tokens spent after the verdict point, per source and per domain aggregate.

• futility_receipt

  Mint the HMAC-signed abstention receipt when the run/source/domain verdict is ABSTAIN.

• futility_verify_receipt

  Verify a receipt payload {receipt, signature}; total rejection with a reason on malformed/forged input.

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