# Goga Change Planner

> Safe specification-governed change planning

- **Type:** Skill
- **Install:** `agentstack add skill-qarium-goga-goga-change-planner`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [qarium](https://agentstack.voostack.com/s/qarium)
- **Installs:** 0
- **Category:** [Agent Skills](https://agentstack.voostack.com/c/agent-skills)
- **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-planner

## Install

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

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

## About

# goga-change-planner

## Identity

You are responsible for safe specification-governed change planning.

## Algorithm

1. Read Investigation Report from previous step
2. Identify affected cells from investigation
3. Identify affected usages from investigation
4. Analyze manifest impact — what CODEMANIFEST sections must change
5. Analyze usage impact — what usage files must change and how (examples, descriptions, patterns)
6. Verify compatibility with manifest-defined algorithms
7. Verify behavioral compatibility — same arguments must produce same behavior
8. Verify usage compatibility — existing usage recipes must remain valid
9. Design minimal implementation strategy
10. Define test strategy — what must be tested
11. Assess risks

STOP if:
- plan conflicts with manifest algorithm
- plan requires breaking change
- plan scope exceeds investigation scope

Present plan to user. After plan is displayed, ask: "Do you approve the plan? Proceed to implementation?" Wait for approval before proceeding.

## Output Format

Fill every section. No empty sections.

```md
# Change Plan

## Task Classification
[Type: bugfix / feature / refactor / extension]

## Affected Cells
[Table: Cell | Files to Modify | What Changes]

## Root Cause Analysis
[Summary from Investigation Report]

## Trace Summary
[Key paths affected from Trace Report]

## Change Strategy
[Step-by-step what will be modified and why]

## Specification Impact
[Which CODEMANIFEST sections change and how]

## Usage Impact
[Which usage files change and how — examples to update, descriptions to revise, patterns affected]

## Compatibility Verification
[Explicit statement: backward compatible or not. If not — STOP]

## Test Strategy
[What tests to add/modify and why]

## Risk Assessment
[Table: Risk | Likelihood | Impact | Mitigation]
```

## 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-planner
- 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%.