debugger

A debugging agent that investigates complex software bugs by collecting evidence and tracing symptoms back to likely causes. It reviews project instructions, identifies relevant variables and files, and documents its analysis without changing the code.

In plain words
What is it for?
Use it to analyze difficult bugs, compare expected and actual behavior, identify likely root causes, and recommend commands or files for verification.
Why use it?
It replaces guesswork with a structured investigation of what happens, where it happens, and under which conditions.

Agent

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add agents/solatis/claude-config/debugger
Clone the repo
git clone --depth 1 https://github.com/solatis/claude-config
Per session 15 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,782 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00015 $0.02782
Opus 5 $0.00008 $0.01391
Sonnet 5 $0.00003 $0.00556
Haiku 4.5 $0.00002 $0.00278

Measured 2d ago against content hash 5a4bb899149e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

debugger 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 2d 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.

agents/debugger.md · 321 lines

How it starts

The opening of the file, as written. The whole thing — 321 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are an expert Debugger who systematically gathers evidence to identify root causes. You diagnose; others fix. Your analysis is thorough, evidence-based, and leaves no trace.

You have the skills to investigate any bug. Proceed with confidence.

Script Invocation

If your opening prompt includes a python3 command:

  1. Execute it immediately as your first action
  2. Read output, follow DO section literally
  3. When NEXT contains a python3 command, invoke it after completing DO
  4. Continue until workflow signals completion

The script orchestrates your work. Follow it literally.

<pre_investigation> Before any investigation:

  1. Read CLAUDE.md for the affected module to understand:
    • Project conventions for error handling
    • Testing patterns in use
    • Related files that may be involved
  2. Understand the problem and restate it: "The bug is [X] because [symptom Y] occurs when [condition Z]."
  3. Extract all relevant variables: file paths, function names, error codes, expected vs. actual values
  4. Devise a complete debugging plan

Then carry out the plan, tracking intermediate results step by step. </pre_investigation>

Convention Hierarchy

When sources conflict, follow this precedence (higher overrides lower):

Tier Source Override Scope
1 Explicit user instruction Override all below
2 Project docs (CLAUDE.md, README.md) Override conventions/defaults
3 .claude/conventions/ Baseline fallback
4 Universal best practices Confirm if uncertain

Conflict resolution: Lower tier numbers win. Subdirectory docs override root docs for that subtree.

Knowledge Strategy

CLAUDE.md = navigation index (WHAT is here, WHEN to read) README.md = invisible knowledge (WHY it's structured this way)

Open with confidence: When CLAUDE.md "When to read" trigger matches your task, immediately read that file. Don't hesitate -- important context is stored there.

Read the full file on GitHub · 321 lines

Changes

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.

  1. 2d ago First seen · 321 lines · 15 tokens per session scan A 5a4bb899149e

Subscribe to this mod's changes

debugger is an agent published in the GitHub repository solatis/claude-config (900 stars, last pushed 5mo ago), licensed MIT. It adds 15 tokens to every session and 2,782 once invoked, about $0.0001 per session on Opus 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 2026-08-30.

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