# Goga Change Tracer

> Semantic behavior reconstruction via tracing

- **Type:** Skill
- **Install:** `agentstack add skill-qarium-goga-goga-change-tracer`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [qarium](https://agentstack.voostack.com/s/qarium)
- **Installs:** 0
- **Category:** [Search](https://agentstack.voostack.com/c/search)
- **Latest version:** 0.1.0
- **License:** BSD-3-Clause
- **Upstream author:** [qarium](https://github.com/qarium)
- **Source:** https://github.com/qarium/goga/tree/1.1.x/goga/assets/skills/goga-change-tracer

## Install

```sh
agentstack add skill-qarium-goga-goga-change-tracer
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# 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

```md
# 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]
```

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [qarium](https://github.com/qarium)
- **Source:** [qarium/goga](https://github.com/qarium/goga)
- **License:** BSD-3-Clause

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-qarium-goga-goga-change-tracer
- Seller: https://agentstack.voostack.com/s/qarium
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.