dredge

dredge is a skill for Claude Code, Codex from partikularwaters/Banka. It costs 59 tokens per session (1,179 once invoked), scanned A, original, MIT.

A failure-diagnosis skill for software builds and other development problems. It identifies the kind of failure before suggesting how to respond.

In plain words
What is it for?
Use it when a build or attempted fix has gone wrong. It records the diagnosis and holds a mode-specific proposal for confirmation, or stops with a verification flag when reproduction is unclear.
Why use it?
It helps distinguish a fixable bug from a need for a reset, a broader rethink, or a problem that cannot yet be reproduced.

Skill for Claude CodeCodex

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 skills/partikularwaters/banka/dredge
Any agent
npx skills add partikularwaters/Banka --skill dredge
Clone the repo
git clone --depth 1 https://github.com/partikularwaters/Banka

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for dredge

README.md
[![agentmods](https://agentmods.dev/badge/skills/partikularwaters/banka/dredge.svg)](https://agentmods.dev/skills/partikularwaters/banka/dredge)
Your own site
<a href="https://agentmods.dev/skills/partikularwaters/banka/dredge"><img src="https://agentmods.dev/badge/skills/partikularwaters/banka/dredge.svg" alt="Measured on agentmods" height="20"></a>
Per session 59 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,179 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 $0.00059 $0.01179
Opus 5 $0.00030 $0.00589
Sonnet 5 $0.00012 $0.00236
Haiku 4.5 $0.00006 $0.00118

Measured 5d ago against content hash b7ee760ec844, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

dredge 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 5d 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.

skills-kit/dredge/SKILL.md · 81 lines

How it starts

The opening of the file, as written. The whole thing — 81 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Not every problem is a bug. Not every bug needs debugging. Diagnose the failure first, then prescribe the response — two separate steps, never swapped.

Context Contract

Required: the user's failure description · once diagnosed, the implicated file/function.

Conditional: Banka state, only in the Hard Reset path, to check whether remember restore applies afterward · wider codebase context, only if a first fix fails and re-diagnosis is needed.

Excluded by default: the codebase beyond what the diagnosis implicates · no upfront state-resolution matrix — dredge doesn't run one.

Outputs: a diagnosed failure mode with reasoning, plus a mode-specific proposal held for confirmation — or, when reproduction itself can't be confirmed, an [OPEN — needs verification] flag and a stop instead of a proposal.

Write authority: none.

Step 1 — Describe What Went Wrong

Describe what is wrong. Be specific:
- What did you expect to happen?
- What happened instead?
- How many times have you tried to fix it already?

The number of fix attempts matters — it distinguishes a fresh problem from a session that's already gone wrong.

Step 2 — Identify the Failure Mode

Mode 0 — Cannot reproduce. The report describes a real interaction, but a genuine attempt to trigger it — following the same steps — does not produce the described behavior. → Not yet confirmed as any of the three modes below; diagnose the gap itself first. Response: Reproduction diagnosis (Step 3D).

Mode 1 — A specific thing is broken. Isolated, rest of the project works, first/second attempt, error is clear and specific. → Normal bug, root cause is findable. Response: Targeted fix (Step 3A).

Mode 2 — The session has gone wrong. Multiple fix attempts made things worse, code is tangled with fixes patching fixes, it's no longer clear what the original problem was. → The session itself is polluted; more prompting compounds the damage. Response: Hard reset (Step 3B).

Read the full file on GitHub · 81 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. 5d ago First seen · 81 lines · 59 tokens per session scan A b7ee760ec844

Subscribe to this mod's changes

dredge is a skill published in the GitHub repository partikularwaters/Banka (3 stars, last pushed 6d ago), licensed MIT. It adds 59 tokens to every session and 1,179 once invoked, about $0.0003 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.

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