Week 45, updated 2 Nov 2026

AI use cases Coding agents AI debugging with an agent

AI debugging with an agent

Hand an error, stack trace or failing test to an AI agent that can read code, run commands and drive a browser. Prompts, workflow and ranked tools.

Tools compared
4
Open source
3of 4
Reviewed
16 Oct

For: Developers

Best-scored tools for this jobscore, safety
  1. 1OpenHandsAgent framework68Caution
  2. 2Claude CodeAI tool65No dependencies scanned
  3. 3Playwright MCPMCP server45No issues found
  4. 4gooseAI tool36Caution
What the score and shapes mean

Score = public maintenance, adoption and docs signals, as a percentile of 52 tools. Nobody here tested these hands-on. Shapes are the separate safety label: No issues found, No dependencies scanned, Caution.

What it does for you

Developers facing a reproducible bug, particularly in code they did not write.

  • Trace a stack trace back to the failing line and likely cause
  • Reproduce a bug with a minimal script
  • Add logging, run the code and read the output
  • Drive a browser to reproduce a front-end bug (with a browser MCP server)
  • Propose a fix and a test that would have caught it
More about this job

Debugging is a loop of hypothesis, experiment and observation. An agent that can run your code and read the output can run that loop quickly, as long as you keep it on a short leash.

Workflow in 5 steps

  1. Give the exact error, the command and what you expected.
  2. Ask for reproduction before any fix.
  3. Let the agent form hypotheses and test them one at a time.
  4. Review the proposed fix, run the full tests and add a regression test.
  5. Remove any debug logging the agent added.
Full steps
  1. Give the exact error, the command and what you expected.
  2. Ask for reproduction before any fix.
  3. Let the agent form hypotheses and test them one at a time.
  4. Review the proposed fix, run the full tests and add a regression test.
  5. Remove any debug logging the agent added.

Prompts to copy

Starting points we wrote, not tested results.

Here is the stack trace and the command that triggers it. Reproduce it first, then list three possible causes ranked by likelihood. Do not edit files yet.

2 more prompts

The checkout page shows a blank screen after clicking Pay. Open the page, reproduce it, read the console errors and tell me what you find.

Bisect: this test passed last week. Use git to find the commit that broke it and explain what changed.

Watch out for

  • Agents that can run commands can delete or overwrite files.
  • Treat AI changes like a pull request from a new colleague: read the diff, run the tests and keep a human sign-off before anything ships.
  • Keep API keys, tokens and customer data out of prompts and out of files the agent can read.
  • Text an agent reads from the web, issues or documents can contain hidden instructions (prompt injection).
  • If the agent cannot reproduce the bug, stop and gather more information instead of letting it guess.
  • Licence to check before commercial use: Claude Code (Proprietary (Anthropic Commercial Terms)).
  • CautionOpenHandsSkill/agent file instructs piping a remote script into a shell: .agents/skills/frontend-development/references/guide.md
  • No dependencies scannedClaude CodeCode checks clean, no lockfile to check
  • No issues foundPlaywright MCPNo issues found in this week’s scan
  • Cautiongoose8 critical-severity known vulnerabilities in runtime dependencies (OSV)
Why these warnings?
  • Agents that can run commands can delete or overwrite files. Work in a branch or sandbox, commit first, and approve destructive commands by hand.
  • Treat AI changes like a pull request from a new colleague: read the diff, run the tests and keep a human sign-off before anything ships.
  • Keep API keys, tokens and customer data out of prompts and out of files the agent can read. Use a separate, low-privilege key for any agent.
  • Text an agent reads from the web, issues or documents can contain hidden instructions (prompt injection). Do not give an agent that reads untrusted content write access to anything important.
  • If the agent cannot reproduce the bug, stop and gather more information instead of letting it guess.
  • OpenHands: Skill/agent file instructs piping a remote script into a shell: .agents/skills/frontend-development/references/guide.md — curl -LsSf https://astral.sh/uv/install.sh | sh
  • Claude Code: code and instruction-file checks found nothing, but there is no runtime lockfile or manifest, so dependencies were not checked
  • goose: 8 critical-severity known vulnerabilities in runtime dependencies (OSV); Skill/agent file instructs piping a remote script into a shell: crates/goose/src/skills/builtins/web_search.md — curl -LsSf https://astral.sh/uv/install.sh | sh

Recommended tools

From our ranked data, highest score first. A high score does not mean a clean scan.

  • 68OpenHandsAgent framework · MIT · #10 overall
  • 65Claude CodeAI tool · Proprietary (Anthropic Commercial Terms) · #11 overall
  • 45Playwright MCPMCP server · Apache-2.0 · #32 overall
  • 36gooseAI tool · Apache-2.0 · #44 overall

Related jobs

Sources for tool facts

OpenHands/OpenHands · anthropics/claude-code · microsoft/playwright-mcp · aaif-goose/goose. Data fetched 2 Nov 2026. Scores and labels are automated, relative and not a hands-on test.

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