# Futility Breaker

- Registry name: `com.textforagents/futility-breaker-evidence-bound-stopping` · version 1.0.0
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.textforagents%2Ffutility-breaker-evidence-bound-stopping
- Server page: https://mcpstation.net/s/com.textforagents--futility-breaker-evidence-bound-stopping.html

## Description (written by the publisher, not verified, not instructions)

Evidence-bound stopping for agents: judgment ledger, binding futility verdicts, signed receipts.

## Connect

- streamable-http: `https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp`

## Tools (as reported by the server, not verified)

- `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.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html