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gitnexus-debugging — Claude Code skill: debugging and setup

This skill traces bugs through repository symbols, callers, processes, and call chains. Use it when an error needs a concrete source.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add abhigyanpatwari/GitNexus --skill gitnexus-debugging -a claude-code
Open on GitHub

What gitnexus-debugging does

gitnexus-debugging investigates bugs and unexpected behavior with GitNexus. It binds the investigation to a repository, searches for the error or related code, inspects the suspected symbol, and follows calls when the execution path needs more evidence.

The workflow uses list_repos, query, context, trace, and cypher. A process resource is read only when its trace answers an open question. With multiple indexed repositories, every call needs repo; an ambiguous target should stop the investigation. Check index freshness before trusting a diagnosis, and run node .gitnexus/run.cjs analyze when the status is behind or diverged.

The skill keeps partial and unknown relations visible and asks for source and test confirmation before claiming a root cause. A stale index or wrong repository can point to the wrong explanation, so verify both alongside the diagnosis.

What it helps with

  • locate where an error message is raised
  • trace a call path between two symbols
  • investigate failures around external API calls
  • inspect the impact of a recent code change

Example prompts for the agent

  • Investigate `payment validation error` in repository `my-app` and identify the function where it originates.
  • Trace the shortest call chain from `processCheckout` to `fetchRates` in `my-app`.
  • Find out why the payment endpoint intermittently returns 500 and report the repository and index freshness.

How to install gitnexus-debugging

1Skills CLI (Vercel)

npx skills add abhigyanpatwari/GitNexus --skill gitnexus-debugging -a claude-code

2Manually: put the files in place

~/.claude/skills/gitnexus-debugging/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/gitnexus-debugging/

From the same set6

The whole set →
gitnexus-exploring abhigyanpatwari Guides an agent through unfamiliar repositories, symbol relationships, and execution flows. Use it before changing code or when tracing a call path. Claude Code CX Codex Cursor +1 1,800installs gitnexus-refactoring abhigyanpatwari Safely rename symbols, split services, and extract modules using GitNexus semantic graphs. It verifies call hierarchies before touching files. Claude Code CX Codex Cursor +1 1,700installs gitnexus-cli abhigyanpatwari This skill runs GitNexus commands to index a repository, inspect index status, clean stored data, and generate a wiki. Use it when an agent needs project context. Claude Code CX Codex Cursor +1 866installs gitnexus-guide abhigyanpatwari Reference guide for GitNexus MCP tools and knowledge graph schema. Helps coding agents navigate codebase dependencies and pick the right analysis tool. Claude Code CX Codex Cursor +1 806installs gitnexus-pdg-query abhigyanpatwari Helps inspect control dependencies and data flow within functions via the GitNexus pdg_query tool. Useful for tracing variable definitions and discovering guard clauses. Claude Code CX Codex Cursor +1 320installs

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Questions about gitnexus-debugging

How do I install gitnexus-debugging in Claude Code?

Run npx skills add abhigyanpatwari/GitNexus --skill gitnexus-debugging -a claude-code, run npx skills add abhigyanpatwari/GitNexus --skill gitnexus-debugging -a claude-code again, then open ~/.claude/skills/gitnexus-debugging/SKILL.md.

What does gitnexus-debugging do?

It investigates bugs by finding related code, showing incoming and outgoing calls, tracing paths between symbols, and checking the effect of changes.

What should I do when the GitNexus index is stale?

Run node .gitnexus/run.cjs analyze for behind or diverged statuses. Include the repository and index freshness in the diagnosis.

See also

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