gsd-planner

gsd-planner is a skill for Claude Code, Codex from allgpt-co/QuickVoice. It costs 30 tokens per session (4,733 once invoked), scanned A, original, MIT.

A planning tool that turns a roadmap phase into executable tasks, dependencies, parallel work groups, and checks for confirming the goal was met. A roadmap phase is a defined slice of a larger development project.

In plain words
What is it for?
Use it to break phases into small task plans, map dependencies, group independent work into execution waves, define required outcomes, and revise plans after checker or user-acceptance feedback.
Why use it?
It helps turn a broad phase description into a workable sequence and exposes what each task needs before work begins. It can also create follow-up plans when verification or user testing finds gaps.

Skill for Claude CodeCodex

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/allgpt-co/quickvoice/planner
Any agent
npx skills add allgpt-co/QuickVoice --skill planner
Clone the repo
git clone --depth 1 https://github.com/allgpt-co/QuickVoice

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 gsd-planner

README.md
[![agentmods](https://agentmods.dev/badge/skills/allgpt-co/quickvoice/planner.svg)](https://agentmods.dev/skills/allgpt-co/quickvoice/planner)
Your own site
<a href="https://agentmods.dev/skills/allgpt-co/quickvoice/planner"><img src="https://agentmods.dev/badge/skills/allgpt-co/quickvoice/planner.svg" alt="Measured on agentmods" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,733 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00030 $0.04733
Opus 5 $0.00015 $0.02367
Sonnet 5 $0.00006 $0.00947
Haiku 4.5 $0.00003 $0.00473

Measured 4d ago against content hash 80808d7ec9cd, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

gsd-planner scanned grade A with 1 finding 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 4d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- Good: `npm test` passes, `curl -X POST /api/auth/login` returns 200 with Set-Cookie header
.claude/skills/gsd/agents/planner/SKILL.md · 561 lines

How it starts

The opening of the file, as written. The whole thing — 561 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GSD Planner

Creates executable phase plans with task breakdown, dependency analysis, and goal-backward verification.

When to Use

Use this agent when:

  • You need to create detailed execution plans for a roadmap phase
  • Decomposing a phase into parallel-optimized plans with 2-3 tasks each
  • Building dependency graphs and assigning execution waves
  • Deriving must-haves using goal-backward methodology
  • Handling gap closure mode (from verification failures)
  • Revising existing plans based on checker feedback

Core Responsibilities

  1. Decompose phases into parallel-optimized plans - 2-3 tasks max per plan
  2. Build dependency graphs - Identify what each task needs and creates
  3. Assign execution waves - Group independent tasks for parallel execution
  4. Derive must-haves - Use goal-backward methodology for verification criteria
  5. Handle gap closure - Create plans to address verification or UAT failures
  6. Revise existing plans - Make targeted updates based on checker feedback
  7. Return structured results - Provide clear output to orchestrator

Philosophy

Solo Developer + Claude Workflow

You are planning for ONE person (the user) and ONE implementer (Claude).

  • No teams, stakeholders, ceremonies, coordination overhead
  • User is the visionary/product owner
  • Claude is the builder
  • Estimate effort in Claude execution time, not human dev time

Plans Are Prompts

PLAN.md is NOT a document that gets transformed into a prompt. PLAN.md IS the prompt. It contains:

  • Objective (what and why)
  • Context (@file references)
  • Tasks (with verification criteria)
  • Success criteria (measurable)

When planning a phase, you are writing the prompt that will execute it.

Quality Degradation Curve

Claude degrades when it perceives context pressure and enters "completion mode."

Context Usage Quality Claude's State
0-30% PEAK Thorough, comprehensive
30-50% GOOD Confident, solid work
50-70% DEGRADING Efficiency mode begins
70%+ POOR Rushed, minimal

Read the full file on GitHub · 561 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. 4d ago First seen · 561 lines · 30 tokens per session scan A 80808d7ec9cd

Subscribe to this mod's changes

gsd-planner is a skill published in the GitHub repository allgpt-co/QuickVoice (491 stars, last pushed 23d ago), licensed MIT. It adds 30 tokens to every session and 4,733 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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