debugger

A bug-investigation helper for failures that remain after an initial fix. It reproduces the problem, traces its underlying cause, and suggests a fix strategy without changing the code.

In plain words
What is it for?
Use it to reproduce stubborn bugs, find their root causes, and plan fixes for another agent or developer to implement.
Why use it?
It helps when a bug is difficult to reproduce or an attempted fix did not solve the real problem. You get a reasoned next step before implementation.

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/onlygian/g-forge/debugger
Clone the repo
git clone --depth 1 https://github.com/onlygian/G-Forge
Per session 35 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 535 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00035 $0.00535
Opus 5 $0.00017 $0.00267
Sonnet 5 $0.00007 $0.00107
Haiku 4.5 $0.00003 $0.00053

Measured yesterday against content hash 8e7a712e7493, 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 yesterday.

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 · 60 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. yesterday First seen · 60 lines · 35 tokens per session scan A 8e7a712e7493

Subscribe to this mod's changes

debugger is an agent published in the GitHub repository onlygian/G-Forge (3 stars, last pushed 4d ago), licensed GPL-3.0. It adds 35 tokens to every session and 535 once invoked, about $0.0002 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 2026-08-31.

Related

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Validates completed work. Use after tasks are marked done to confirm implementations are functional. Invoke with /verifier when you need to verify code actually works.

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learnship-debugger

Investigates bugs using systematic hypothesis testing — traces from symptoms to root cause, writes investigation findings to the debug session file. Spawned by debug workflow on platforms with subagent support.

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phase-researcher

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