planning-and-task-breakdown

planning-and-task-breakdown is a skill for Claude Code, Codex from sampleXbro/agentsmesh. It costs 56 tokens per session (1,650 once invoked), scanned A, a copy of planning-and-task-breakdown, MIT.

A method for turning a large or unclear software request into small tasks that can be implemented and checked in order.

In plain words
What is it for?
Use it when working from a specification, estimating scope, deciding implementation order, or splitting a project into focused tasks.
Why use it?
It makes dependencies, acceptance conditions, risks, and possible parallel work clear before coding begins.

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/samplexbro/agentsmesh/planning-and-task-breakdown
Any agent
npx skills add sampleXbro/agentsmesh --skill planning-and-task-breakdown
Clone the repo
git clone --depth 1 https://github.com/sampleXbro/agentsmesh

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 planning-and-task-breakdown

README.md
[![agentmods](https://agentmods.dev/badge/skills/samplexbro/agentsmesh/planning-and-task-breakdown.svg)](https://agentmods.dev/skills/samplexbro/agentsmesh/planning-and-task-breakdown)
Your own site
<a href="https://agentmods.dev/skills/samplexbro/agentsmesh/planning-and-task-breakdown"><img src="https://agentmods.dev/badge/skills/samplexbro/agentsmesh/planning-and-task-breakdown.svg" alt="Measured on agentmods" 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 1,650 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00056 $0.01650
Opus 5 $0.00028 $0.00825
Sonnet 5 $0.00011 $0.00330
Haiku 4.5 $0.00006 $0.00165

Measured 5d ago against content hash ed258715ad9b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 5d 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.

Origin

This is a copy

100% identical to planning-and-task-breakdown — 1 line differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/planning-and-task-breakdown/SKILL.md · 223 lines

How it starts

The opening of the file, as written. The whole thing — 223 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 create a task (task schema + API + UI for creation)
Task 4: User can view task list (query + API + UI for list view)

Read the full file on GitHub · 223 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. 5d ago First seen · 223 lines · 56 tokens per session scan A ed258715ad9b

Subscribe to this mod's changes

planning-and-task-breakdown is a skill published in the GitHub repository sampleXbro/agentsmesh (24 stars, last pushed 5d ago), licensed MIT. It adds 56 tokens to every session and 1,650 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to planning-and-task-breakdown, differing in 1 line, and is treated as a copy.

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