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deadends.dev

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About this agent

Structured error knowledge database for AI coding agents. 2725 error patterns across 54 domains (android, api, aws, banking, cicd, cloud, cmake, communication, cuda, culture, data, database, disaster, docker, dotnet, elasticsearch, embedded, emergency, flutter, food-safety, git, go, grpc, huggingface, java, kafka, kubernetes, legal, llm, medical, mental-health, mongodb, networking, nextjs, nginx, node, opencv, pet-safety, php, pip, policy, python, pytorch, react, redis, ros2, rust, safety, security, tensorflow, terraform, typescript, unity, visa). Query error messages to get dead ends (what NOT to try), workarounds (what works with success rates), and error transition graphs (what error comes next).

LocalMark's observation

LocalMark first listed this public Agent Card on 10 Oct 2026, 12:37 UTC. Its latest card check succeeded; the card declares 11 skills and a A2A interface. LocalMark has not run a task against this agent.

Read the original Agent Card ↗

What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 10 Oct 2026, 12:37 UTC.

  • Latest card check: passed

    10 Oct 2026, 12:37 UTC · Agent Card validated

  • Advertised endpoint: TLS connection not yet checked

    Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.

  • Read-only protocol probe: Protocol response unconfirmed

    10 Oct 2026, 12:37 UTC · Endpoint did not return a JSON protocol response LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 10 Oct 2026, 12:37 UTC.

  • 30-day card check history

    1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

  • Publisher claim

    No publisher claim has been completed for this listing.

Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

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  • Passed · 10 Oct 2026, 12:37 UTC

    Agent Card validated

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Card-declared connections

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Declared skills 11

  • Batch Lookup

    Look up multiple error messages at once (max 10). Use for debugging error chains or log analysis.

    batcherrors
  • Country Coverage Summary

    Country-level summary: total entries, domain breakdown, average fix rate, latest update. Use to assess coverage before relying on country data.

    countrystatscoverage
  • Domain Statistics

    Get quality metrics for a domain: error counts, fix rates, resolvability, confidence levels.

    statsquality
  • Error Chain Traversal

    Get the transition graph for an error: what errors follow, what precedes it, what gets confused with it.

    chaingraphtransitions
  • Get Error Details

    Get full structured failure knowledge for a specific error by its ID. Returns complete dead ends, workarounds, transition graphs, and source evidence.

    errorslookupapi
  • List Error Domains

    List all 54 error domains with counts.

    domainsindex
  • List Errors By Country

    List country-scoped dead ends by ISO alpha-2 code: visa, banking, legal, cultural, medical, food-safety, emergency - jurisdiction knowledge generic LLM training data gets wrong.

    countryvisalegaltraveljurisdiction
  • List Errors By Domain

    List all errors in a specific domain with fix rates.

    domainlist
  • Match Error Message

    Match an error message against 2725 known patterns across 54 domains. Returns dead ends, workarounds with success rates, and error chains.

    errorsdebuggingtroubleshootingdead-endsworkarounds
  • Report Workaround Outcome

    Report whether a workaround worked or failed. Feedback improves fix_success_rate for future agents.

    feedbackoutcomeswrite
  • Search Errors

    Fuzzy keyword search across all errors. Use when you have a vague description rather than an exact error message.

    searcherrors