dhpk-gitnexus-debugging

dhpk-gitnexus-debugging is a skill for Claude Code from hmj1026/dhpk. It costs 107 tokens per session (1,063 once invoked), scanned A, original, MIT.

A debugging skill that uses GitNexus, a searchable map of a repository's code and execution flows, to trace errors through callers and functions.

In plain words
What is it for?
Use it to investigate error messages, failing functions, unexpected behavior, and server responses such as HTTP 500 errors.
Why use it?
It helps connect an observed failure to the code that caused it, rather than investigating files without knowing how they are linked.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the dhpk plugin — 65 skills, 31 commands, 40 agents, 4 hooks shipped together

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/hmj1026/dhpk/dhpk-gitnexus-debugging
Any agent
npx skills add hmj1026/dhpk --skill dhpk-gitnexus-debugging
Clone the repo
git clone --depth 1 https://github.com/hmj1026/dhpk

Made for: Claude Code.

Or install dhpk, the plugin that ships this one along with the rest of its 65 skills, 31 commands, 40 agents, 4 hooks.

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 dhpk-gitnexus-debugging

README.md
[![agentmods](https://agentmods.dev/badge/skills/hmj1026/dhpk/dhpk-gitnexus-debugging.svg)](https://agentmods.dev/skills/hmj1026/dhpk/dhpk-gitnexus-debugging)
Your own site
<a href="https://agentmods.dev/skills/hmj1026/dhpk/dhpk-gitnexus-debugging"><img src="https://agentmods.dev/badge/skills/hmj1026/dhpk/dhpk-gitnexus-debugging.svg" alt="Measured on agentmods" height="20"></a>
Per session 107 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,063 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 5.1 $0.00107 $0.01063
Opus 5 $0.00053 $0.00531
Sonnet 5 $0.00021 $0.00213
Haiku 4.5 $0.00011 $0.00106

Measured today against content hash ab9ddf9e646b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

dhpk-gitnexus-debugging 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 today.

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.

generated/claude-profiles/compat-v1/package/skills/dhpk-gitnexus-debugging/SKILL.md · 114 lines

How it starts

The opening of the file, as written. The whole thing — 114 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Debugging with GitNexus

When to Use

  • "Why is this function failing?"
  • "Trace where this error comes from"
  • "Who calls this method?"
  • "This endpoint returns 500"
  • Investigating bugs, errors, or unexpected behavior

Workflow

1. gitnexus_query({query: "<error or symptom>"})            → Find related execution flows
2. gitnexus_context({name: "<suspect>"})                    → See callers/callees/processes
3. READ gitnexus://repo/{name}/process/{name}                → Trace execution flow
4. gitnexus_cypher({query: "MATCH path..."})                 → Custom traces if needed

If the context reports a stale index, follow dhpk-gitnexus-guide for the single stale-index recovery path before continuing this workflow.

Checklist

- [ ] Understand the symptom (error message, unexpected behavior)
- [ ] gitnexus_query for error text or related code
- [ ] Identify the suspect function from returned processes
- [ ] gitnexus_context to see callers and callees
- [ ] Trace execution flow via process resource if applicable
- [ ] gitnexus_cypher for custom call chain traces if needed
- [ ] Read source files to confirm root cause

Debugging Patterns

Symptom GitNexus Approach
Error message gitnexus_query for error text → context on throw sites
Wrong return value context on the function → trace callees for data flow
Intermittent failure context → look for external calls, async deps
Performance issue context → find symbols with many callers (hot paths)
Recent regression detect_changes to see what your changes affect

Tools

gitnexus_query — find code related to error:

gitnexus_query({query: "payment validation error"})
→ Processes: CheckoutFlow, ErrorHandling
→ Symbols: validatePayment, handlePaymentError, PaymentException

Read the full file on GitHub · 114 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. today First seen · 114 lines · 107 tokens per session scan A ab9ddf9e646b

Subscribe to this mod's changes

dhpk-gitnexus-debugging is a skill published in the GitHub repository hmj1026/dhpk (2 stars, last pushed yesterday), licensed MIT. It adds 107 tokens to every session and 1,063 once invoked, about $0.0005 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 2026-09-05.

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