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Best agent skills for debugging

We found 1,501 agent skills for debugging in the catalog; these are the 15 that rank highest. The order comes from our rank, which weighs adoption, freshness, documentation and publisher identity. Nobody can pay for a place on this list. systematic-debugging, vendure-troubleshooting and plano-observability-debugging lead it. systematic-debugging comes from the largest repository here (15,567 stars). 14 of the 15 had activity in the last 30 days. Each entry lists why it made the list and links to its install page.

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

Top 15 of 1,501

  1. 1
    systematic-debugging

    open-metadata

    Use when debugging a failing test, build error, or runtime issue that isn't immediately obvious.

    • Largest repository here (15,567 stars)
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 15.6KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  2. 2
    vendure-troubleshooting

    vendurehq

    Diagnose a broken or misbehaving Vendure project.

    • Repository has 8.5K stars
    • Active in the last 30 days

    ★ 8.5KLast active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  3. 3
    plano-observability-debugging

    katanemo

    Improve Plano tracing and debugging workflows.

    • Repository has 7.1K stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 7.1KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

  4. 4
    windows-vm-test

    nubjs

    Run ad-hoc Nub tests and debugging probes in the maintainer's existing local Windows 11 ARM64 QEMU/HVF VM when its external disk and runbook are present.

    • Repository has 4.4K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 4.4KLast active Oct 19, 2026Claude Code, Claude apps, Codex, Cursor +6

  5. 5
    expo-data-fetching

    expo

    Use when implementing or debugging ANY network request, API call, or data fetching.

    • Repository has 3K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 3KLast active Oct 22, 2026Claude Code, Claude apps, Codex, Cursor +6

  6. 6
    terraform-skill

    Anton Babenko

    Use when writing, reviewing, or debugging Terraform/OpenTofu modules, tests, CI, scans, or state ops - diagnoses failure mode (identity churn, secrets, blast…

    • Repository has 2.4K stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 2.4KLast active Oct 24, 2026Claude Code, Claude apps, Codex, Cursor +6

  7. 7
    linux-vm-test

    nubjs

    Run ad-hoc Nub tests and debugging probes on real local Linux guests.

    • Repository has 4.4K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 4.4KLast active Oct 19, 2026Claude Code, Claude apps, Codex, Cursor +6

  8. 8
    fleetshift-troubleshoot-shift

    spotify

    Diagnose why a Fleetshift shift or job failed: find failed targets, pull their job logs and status, and explain the root cause and the safe next step.

    • Repository has 2.5K stars
    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 2.5KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  9. 9
    systematic-debugging

    GanyuanRan

    Use when encountering a bug, test failure, or unexpected behavior, before proposing fixes

    • Repository has 1.4K stars
    • Active in the last 30 days
    • Open source (MIT)

    ★ 1.4KLast active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  10. 10
    debug

    cyrusagents

    Full debugging workflow — reproduce the bug with a focused check, perform root cause analysis, then implement a minimal fix.

    • Active in the last 30 days
    • Open source (Apache-2.0)

    ★ 867Last active Sep 30, 2026Claude Code, Claude apps, Codex, Cursor +6

  11. 11
    create-issue

    markuplint

    Investigate a problem to its root cause and file it as a GitHub Issue with the right labels and an As is / To be / Why / How body backed by primary sources.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 629Last active Oct 21, 2026Claude Code, Claude apps, Codex, Cursor +6

  12. 12
    postgres

    planetscale

    PostgreSQL best practices, query optimization, connection troubleshooting, and performance improvement.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 400Last active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  13. 13
    vitess

    planetscale

    Vitess best practices, query optimization, and connection troubleshooting for PlanetScale Vitess databases.

    • Active in the last 30 days
    • Open source (MIT)

    ★ 400Last active Oct 23, 2026Claude Code, Claude apps, Codex, Cursor +6

  14. 14
    cypress-quick-start

    dekart-xyz

    Use this skill when running, debugging, reproducing, or validating Cypress E2E tests in this repo, including the required ELECTRON_RUN_AS_NODE override.

    • Active in the last 30 days
    • Open source (AGPL-3.0)

    ★ 436Last active Oct 6, 2026Claude Code, Claude apps, Codex, Cursor +6

  15. 15
    deepstream-sop

    Wind Yuan <windy@nvidia.com>

    Use this skill when building, deploying, evaluating, debugging, or measuring latency for the DeepStream SOP Inference Microservice — a GPU-accelerated FastAPI…

    • Repository has 3.7K stars
    • Open source (CC-BY-4.0 AND Apache-2.0)
    • Ships helper scripts

    ★ 3.7KLast active Sep 4, 2026Claude Code, Claude apps, Codex, Cursor +6

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