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lesson

Document the bug or non-obvious challenge just resolved in this session as a file in the project's lessons/ folder, so future sessions (and /study) learn from…

Skill by Banksy-said-hi

IndexedMIT
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/banksy-said-hi-lesson

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Document the bug or non-obvious challenge just resolved in this session as a file in the project's lessons/ folder, so future sessions (and /study) learn from it. Use when the user types /lesson.

Use cases: documents

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What this skill can do and what it asks for, from its SKILL.md and code. Checked Nov 1, 2026.

Tools
No tools found
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None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/lesson

What's inside

Skill name
lesson
Description
Document the bug or non-obvious challenge just resolved in this session as a file in the project's lessons/ folder, so future sessions (and /study) learn from it. Use when the user types /lesson.
License
MIT
Instructions
31 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

1. **Pick the lesson** — the most recent bug, misdiagnosis, or non-obvious challenge solved in this conversation. Several distinct ones → one file each. Never invent one.
2. **Path** — `lessons/YYYY-MM-DD_short-kebab-slug.md` at the project root (create the folder if missing). Slug: 3–6 words naming the problem.
3. **Write** this structure, each section as short as it can be while staying actionable:

```markdown
# <Short title — what went wrong>

**Date:** YYYY-MM-DD
**Project area:** <e.g. frontend, pipeline, database>

## Symptom
What was observed. Quote the exact error or wrong behavior.

## Red herrings
Approaches that looked right but weren't, and why they misled.

## Root cause
One or two sentences. The cause, not the symptom.

## Fix
What changed and why it works. File paths and key snippets if they help.

## Check first next time
2–5 concrete checks for this class of problem.
```

4. **Confirm** — tell the user the filename, the one-line root cause, and the checks, so they can correct it.

Be specific: name files, functions, endpoints, error messages. "Always check your config" is useless.

From Banksy-said-hi/claude-skills, MIT.

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Last commit (this folder)
Sep 25, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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lesson skill. Agent Mart. https://agentmart.dev/skills/banksy-said-hi-lesson (last updated 2026-10-24)