debugging SKILL.md skillA
This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.
debugging from dojocodinglabs/code-sensei is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add dojocodinglabs/code-sensei/debugging@git:20260207.d76e1caPins git:20260207.d76e1ca in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- dojocodinglabs/code-sensei
- Path
skills/debugging/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260207.d76e1ca, committed Feb 7, 2026
- Size
- 3,169 bytes
- Repository stars
- 14
- License
- MIT
Reading errors, troubleshooting, and fixing bugs. Activated when Claude encounters errors or when the user is debugging. Teaches the most valuable skill: understanding what went wrong.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Debugging — CodeSensei Teaching Module
## What is Debugging?
- **Analogy:** Debugging is detective work. Something isn't working, and you need to find out why. Every error message is a clue.
- **Key insight:** Errors are NOT failures. They're the computer telling you exactly what went wrong and where. Learning to read errors is the single most valuable programming skill.
## How to Read Error Messages
Teach users to look for these three things in EVERY error:
1. **What happened** — the error type (TypeError, SyntaxError, 404, etc.)
2. **Where it happened** — the file name and line number
3. **Why it happened** — the description message
Example:
```
TypeError: Cannot read property 'name' of undefined
at UserCard (src/components/UserCard.jsx:12)
```
Translation: "On line 12 of UserCard.jsx, you tried to get `.name` from something that doesn't exist yet."
## Common Error Types (teach as encountered)
### Frontend Errors
- **"Cannot read property X of undefined"** — you're trying to use data that hasn't loaded yet. Like trying to read a book that hasn't been delivered.
…Read the whole file at its exact version.
How to install
mdr add dojocodinglabs/code-sensei/debugging@sha256:7812de715f7c5f96The line at the top of this page pins the label git:20260207.d76e1ca, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_5asauqeicb7mudav)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Feb 7, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (3169 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
dojocodinglabs/code-sensei · 14 stars · license MIT · pushed 2026-10-03 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_5asauqeicb7mudav GET https://markdownregistry.com/api/v1/resolve?ref=dojocodinglabs/code-sensei/debugging GET https://markdownregistry.com/api/v1/blob/7812de715f7c5f9671e0bf06b8a2b23957e62722d833f4a938ed168abc9fd138
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
More from dojocodinglabs/code-sensei
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