goga-change-tracer

goga-change-tracer is a skill for Claude Code, Codex from qarium/goga. It costs 11 tokens per session (341 once invoked), scanned A, original, BSD-3-Clause.

A tracing guide that reconstructs how behavior moves through related parts of a codebase. It follows function calls, data flow, specifications, and usage paths across component boundaries.

In plain words
What is it for?
Use it to map call and data flows, connect them to manifest rules, inspect cross-component behavior, and identify unresolved paths or circular dependencies.
Why use it?
It reveals hidden dependencies and inconsistencies between what the code does, what its specifications say, and how users are instructed to use it.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to map call and data flows, connect them to manifest rules, inspect cross-component behavior, and identify unresolved paths or circular dependencies.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/qarium/goga/goga-change-tracer
View source ↗ qarium/goga
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.

Any agent
npx skills add qarium/goga --skill goga-change-tracer
Clone the repo
git clone --depth 1 https://github.com/qarium/goga

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 goga-change-tracer

README.md
[![agentmods](https://agentmods.dev/badge/skills/qarium/goga/goga-change-tracer/github.svg)](https://agentmods.dev/skills/qarium/goga/goga-change-tracer)
Your own site
<a href="https://agentmods.dev/skills/qarium/goga/goga-change-tracer"><img src="https://agentmods.dev/badge/skills/qarium/goga/goga-change-tracer/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for goga-change-tracer

Your own site · 80×15
<a href="https://agentmods.dev/skills/qarium/goga/goga-change-tracer"><img src="https://agentmods.dev/badge/skills/qarium/goga/goga-change-tracer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 11 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 341 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
SkillSpector: 1 finding, up to low

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • low Excessive Agency · line 29
    Skill's behavior or capabilities extend beyond its stated purpose. Scope creep allows an agent to perform actions unrelated to its documented functionality, increasing the attack surface.
    Fix: Limit the skill's scope to its documented purpose. Remove instructions that enable the agent to perform actions outside its stated functionality.
How audits are shown
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 $0.00011 $0.00341
Opus 5 $0.00005 $0.00170
Sonnet 5 $0.00002 $0.00068
Haiku 4.5 $0.00001 $0.00034

Measured 11d ago against content hash 9d12b85fb435, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

goga-change-tracer 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 11d 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.

goga/assets/skills/goga-change-tracer/SKILL.md · 63 lines

What it actually says

goga-change-tracer

Identity

You are responsible for semantic behavior reconstruction.

Algorithm

  1. Receive candidate cells from investigator
  2. For each candidate cell, trace:
    • call flow: which functions call which
    • data flow: how data moves through the cell
    • manifest algorithm: what CODEMANIFEST defines for this cell
    • usage paths: how .usages reference this cell
  3. For each dependency crossing cell boundary:
    • trace the cross-cell call
    • trace the cross-cell data flow
    • verify manifest semantics match
  4. Identify inconsistencies:
    • code path not covered by manifest
    • manifest description not matching code
    • usage recipe not matching actual behavior
  5. Build trace graph

Expand scope only when:

  • behavior crosses cell boundary
  • data flow crosses cell
  • manifest semantics require traversal
  • usage path traverses dependency

STOP if:

  • trace reveals circular dependency
  • trace cannot resolve a path
  • inconsistent state detected between manifest and code

Output Format

# Trace Report

## Call Flow
[Function call graph for affected cells]

## Data Flow
[How data moves through affected cells and boundaries]

## Manifest Algorithm Mapping
[CODEMANIFEST algorithm steps mapped to actual code paths]

## Cross-Cell Traversals
[Table: Source Cell | Target Cell | Type (call/data/usage) | Path]

## Inconsistencies
[Table: Type | Location | Expected | Actual]

## Trace Graph
[Visual representation of traced paths]
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. 11d ago First seen · 63 lines · 11 tokens per session scan A 9d12b85fb435

Subscribe to this mod's changes

goga-change-tracer is a skill published in the GitHub repository qarium/goga (29 stars, last pushed 4d ago), licensed BSD-3-Clause. It adds 11 tokens to every session and 341 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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