gitscape.ai: Skill for Claude Code

.agents/skills/planning-and-task-breakdown/SKILL.md

planning-and-task-breakdown is a skill for Claude Code, Codex from jmxt3/gitscape.ai. It costs 56 tokens per session (1,302 once invoked), scanned A, original, Apache-2.0.

A planning workflow that turns a specification—a written description of requirements—into small, ordered implementation tasks. It records what each task must achieve and how tasks depend on one another.

In plain words
What is it for?
Use it when requirements are clear but the implementation needs structure, estimating, sequencing, or parallel work.
Why use it?
It makes large or unclear work easier to start and helps avoid missing dependencies. It also shows which parts can be worked on separately.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is jmxt3/gitscape.ai's own configuration. It tells Claude Code and Codex how to work on gitscape.ai itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything gitscape.ai configures →

Reuse

Borrowing it

Nothing to install: this file belongs to jmxt3/gitscape.ai. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/jmxt3/gitscape.ai/main/.agents/skills/planning-and-task-breakdown/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/jmxt3/gitscape.ai

Made for: Claude Code, Codex.

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README.md
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Your own site · 80×15
<a href="https://agentmods.dev/skills/jmxt3/gitscape.ai/planning-and-task-breakdown"><img src="https://agentmods.dev/badge/skills/jmxt3/gitscape.ai/planning-and-task-breakdown.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 56 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,302 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.
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 $0.00056 $0.01302
Opus 5 $0.00028 $0.00651
Sonnet 5 $0.00011 $0.00260
Haiku 4.5 $0.00006 $0.00130

Measured 10d ago against content hash d0379fc4823c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

planning-and-task-breakdown 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 10d 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.

.agents/skills/planning-and-task-breakdown/SKILL.md · 170 lines

How it starts

The opening of the file, as written. The whole thing — 170 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Planning and Task Breakdown

Overview

Decompose work into small, verifiable tasks with explicit acceptance criteria. Good task breakdown is the difference between an agent that completes work reliably and one that produces a tangled mess. Every task should be small enough to implement, test, and verify in a single focused session.

When to Use

  • You have a spec and need to break it into implementable units
  • A task feels too large or vague to start
  • Work needs to be parallelized across multiple agents or sessions
  • You need to communicate scope to a human
  • The implementation order isn't obvious

When NOT to use: Single-file changes with obvious scope, or when the spec already contains well-defined tasks.

The Planning Process

Step 1: Enter Plan Mode

Before writing any code, operate in read-only mode:

  • Read the spec and relevant codebase sections
  • Identify existing patterns and conventions
  • Map dependencies between components
  • Note risks and unknowns

Do NOT write code during planning. The output is a plan document, not implementation.

Step 2: Identify the Dependency Graph

Map what depends on what:

Database schema
    │
    ├── API models/types
    │       │
    │       ├── API endpoints
    │       │       │
    │       │       └── Frontend API client
    │       │               │
    │       │               └── UI components
    │       │
    │       └── Validation logic
    │
    └── Seed data / migrations

Implementation order follows the dependency graph bottom-up: build foundations first.

Step 3: Slice Vertically

Instead of building all the database, then all the API, then all the UI — build one complete feature path at a time:

Bad (horizontal slicing):

Task 1: Build entire database schema
Task 2: Build all API endpoints
Task 3: Build all UI components
Task 4: Connect everything

Good (vertical slicing):

Task 1: User can create an account (schema + API + UI for registration)
Task 2: User can log in (auth schema + API + UI for login)
Task 3: User can export a skill (skill schema + API + UI for export)

Read the full file on GitHub · 170 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. 10d ago First seen · 170 lines · 56 tokens per session scan A d0379fc4823c

Subscribe to this mod's changes

planning-and-task-breakdown is a skill published in the GitHub repository jmxt3/gitscape.ai (33 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 56 tokens to every session and 1,302 once invoked, about $0.0003 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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