pocket-development

pocket-development is a skill for Claude Code from rfxlamia/pocketto. It costs 40 tokens per session (11,268 once invoked), scanned A, original, MIT.

An execution skill for carrying out an implementation plan one task at a time through precise subagent handoffs. A handoff is a written contract describing the task, its checks, and when to ask for help.

In plain words
What is it for?
It is for executing multi-task plans, starting an execution log, dispatching subagents, checking their results, and escalating problems when needed.
Why use it?
It makes each delegated task explicit and verifiable, reducing missing requirements and unclear ownership during implementation.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions subagents.

Part of the pocketto plugin — 13 skills shipped together

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/rfxlamia/pocketto/pocket-development
Any agent
npx skills add rfxlamia/pocketto --skill pocket-development
Clone the repo
git clone --depth 1 https://github.com/rfxlamia/pocketto

Made for: Claude Code.

Or install pocketto, the plugin that ships this one along with the rest of its 13 skills.

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 pocket-development

README.md
[![agentmods](https://agentmods.dev/badge/skills/rfxlamia/pocketto/pocket-development.svg)](https://agentmods.dev/skills/rfxlamia/pocketto/pocket-development)
Your own site
<a href="https://agentmods.dev/skills/rfxlamia/pocketto/pocket-development"><img src="https://agentmods.dev/badge/skills/rfxlamia/pocketto/pocket-development.svg" alt="Measured on agentmods" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 11,268 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 5.1 $0.00040 $0.11268
Opus 5 $0.00020 $0.05634
Sonnet 5 $0.00008 $0.02254
Haiku 4.5 $0.00004 $0.01127

Measured 6d ago against content hash 699b217f4e67, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

pocket-development 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 6d 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.

skills/pocket-development/SKILL.md · 888 lines

How it starts

The opening of the file, as written. The whole thing — 888 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Pocket Development

Precise subagent delegation for task-by-task development execution. POCKET ensures every delegation has a complete contract (Pocket Packet) that specifies exactly what must be done, how to verify it, and when to escalate.

Core principle: Every delegation is a contract. The packet is the contract. No packet, no spawn. Read execution-plan/index.md once to understand execution flow and dependencies, then open individual task files (execution-plan/tasks/T*-*.md) on demand when a task is ready to execute.

Startup: Initialize Execution Log

Run this before the first task, every session:

npx -y pocketto-pi log init "<plan_dir>" --json --contract 2

No install step, PATH setup, or shell-specific guard — npx resolves the cross-platform binary and log init is idempotent, so this is safe to run unconditionally every session. Replace <plan_dir> with the folder containing your execution plan (e.g. docs/pocket/plans/2026-05-08-auth-refactor).

  • No log.json yet → creates it from the plan files in that directory
  • log.json exists but tasks missing → migrates tasks into existing phases (status preserved)
  • log.json already complete → reports "no migration needed" and writes nothing

Full command reference and update/close commands: see Execution Log section below.


When to Use

Use POCKET when ALL conditions are met:

  • You have an implementation plan with 1+ tasks
  • Tasks can be executed one-by-one (not requiring tight coupling)
  • You need to delegate work to subagents

Task count does not gate eligibility. pocket-planning routes every plan through pocket-structuring, which accepts any task count, so a one-task plan reaches here as a legitimate Pocket plan. It is simply the degenerate case of SOLO — a group resolved to size 1 — and runs the normal Entry Gate, packet, audit, and phase-pass path. Do not bounce it to hotfix: hotfix is an entry-routing choice for small, clear work, not an escape hatch once a full spec and plan already exist.

Read the full file on GitHub · 888 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. 6d ago First seen · 888 lines · 40 tokens per session scan A 699b217f4e67

Subscribe to this mod's changes

pocket-development is a skill published in the GitHub repository rfxlamia/pocketto (5 stars, last pushed 14d ago), licensed MIT. It adds 40 tokens to every session and 11,268 once invoked, about $0.0002 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 2026-08-31.

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