Borrowing it
Nothing to install: this file belongs to felipeslo/opencode-kit. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/felipeslo/opencode-kit/main/.opencode/commands/debug.mdgit clone --depth 1 https://github.com/felipeslo/opencode-kitWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/commands/felipeslo/opencode-kit/debug)<a href="https://agentmods.dev/commands/felipeslo/opencode-kit/debug"><img src="https://agentmods.dev/badge/commands/felipeslo/opencode-kit/debug/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/felipeslo/opencode-kit/debug"><img src="https://agentmods.dev/badge/commands/felipeslo/opencode-kit/debug.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00013 | $0.00433 |
| Opus 5.5 | $0.00005 | $0.00173 |
| Sonnet 5.5 | $0.00003 | $0.00087 |
| Haiku 4.5 | $0.00001 | $0.00043 |
Grade A, and why
debug scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
/debug - Systematic Problem Investigation
$ARGUMENTS
Purpose
This command activates DEBUG mode for systematic investigation of issues, errors, or unexpected behavior.
Behavior
When /debug is triggered:
-
Gather information
- Error message
- Reproduction steps
- Expected vs actual behavior
- Recent changes
-
Form hypotheses
- List possible causes
- Order by likelihood
-
Investigate systematically
- Test each hypothesis
- Check logs, data flow
- Use elimination method
-
Fix and prevent
- Apply fix
- Explain root cause
- Add prevention measures
Output Format
## 🔍 Debug: [Issue]
### 1. Symptom
[What's happening]
### 2. Information Gathered
- Error: `[error message]`
- File: `[filepath]`
- Line: [line number]
### 3. Hypotheses
1. ❓ [Most likely cause]
2. ❓ [Second possibility]
3. ❓ [Less likely cause]
### 4. Investigation
**Testing hypothesis 1:**
[What I checked] → [Result]
**Testing hypothesis 2:**
[What I checked] → [Result]
### 5. Root Cause
🎯 **[Explanation of why this happened]**
### 6. Fix
```[language]
// Before
[broken code]
// After
[fixed code]
7. Prevention
🛡️ [How to prevent this in the future]
---
## Examples
/debug login not working /debug API returns 500 /debug form doesn't submit /debug data not saving
---
## Key Principles
- **Ask before assuming** - get full error context
- **Test hypotheses** - don't guess randomly
- **Explain why** - not just what to fix
- **Prevent recurrence** - add tests, validation
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 1mo ago First seen · 104 lines · 13 tokens per session scan A 96af93058370
debug is a command published in the GitHub repository felipeslo/opencode-kit (2 stars, last pushed 7mo ago), licensed MIT. It adds 13 tokens to every session and 433 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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