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Futility Breaker

R0· no sign-in

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

v1.0.0 · active · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality80good
Trust80of 100
Uptime, 30 days100%
Latency p5069 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "futility-breaker-evidence-bound-stopping": {
      "type": "http",
      "url": "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp"
    }
  }
}
claude mcp add --transport http futility-breaker-evidence-bound-stopping https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp
[mcp_servers.futility-breaker-evidence-bound-stopping]
url = "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "futility-breaker-evidence-bound-stopping": {
      "type": "remote",
      "url": "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "futility-breaker-evidence-bound-stopping": {
      "type": "http",
      "url": "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=futility-breaker-evidence-bound-stopping&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vdGV4dGZvcmFnZW50cy5jb20vcHJvZHVjdHMvZnV0aWxpdHktYnJlYWtlci1ldmlkZW5jZS1ib3VuZC1zdG9wcGluZy9tY3AifQ%3D%3D"
}
{
  "servers": {
    "futility-breaker-evidence-bound-stopping": {
      "type": "http",
      "url": "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp"
    }
  }
}
{
  "mcpServers": {
    "futility-breaker-evidence-bound-stopping": {
      "httpUrl": "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp"
    }
  }
}
extensions:
  "futility-breaker-evidence-bound-stopping":
    enabled: true
    name: "futility-breaker-evidence-bound-stopping"
    type: streamable_http
    uri: "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp"
    timeout: 300

Quality 80 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2024-11-05; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations6 of 6 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: futility_receipt (idempotentHint, openWorldHint); futility_verify_receipt (idempotentHint, openWorldHint); futility_judge (idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 501 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability75 · weight 15
  • warn
    stability.changes6 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

6 tools, about 501 tokens to load them all · tool set f56d5e75c671 · tools last changed 2026-11-03 · checked 2026-11-07 17:28 UTC

Tool changes

  • futility_verify_receiptchangedtitle, annotations
  • futility_receiptchangedtitle, annotations
  • futility_waste_reportchangedtitle, annotations
  • futility_verdictchangedtitle, annotations
  • futility_judgechangedtitle, annotations
  • futility_register_runchangedtitle, annotations

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 80 / 100

no-repository
provenance45
liveness100
freshness100
hygiene80

+dns-namespace +reachable +uptime-100% +updated-16d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp streamable-httpnoneyes100%69 ms2024-11-052026-11-07

Tools (6)

futility_judgeRecord 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_receiptMint the HMAC-signed abstention receipt when the run/source/domain verdict is ABSTAIN.
futility_register_runRegister a run with its alternatives and operator-registered source identities (strings or {id, aliases}) before judging.
futility_verdictread-onlyRead the current verdict for a run/source/domain without recording a judgment.
futility_verify_receiptread-onlyVerify a receipt payload {receipt, signature}; total rejection with a reason on malformed/forged input.
futility_waste_reportread-onlyWaste report for a run: tokens spent after the verdict point, per source and per domain aggregate.

Schemas: list_tools.

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Official server.json
{
  "name": "com.textforagents/futility-breaker-evidence-bound-stopping",
  "title": "Futility Breaker",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json",
  "remotes": [
    {
      "url": "https://textforagents.com/products/futility-breaker-evidence-bound-stopping/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "description": "Evidence-bound stopping for agents: judgment ledger, binding futility verdicts, signed receipts."
}