plan-work

A planning step that turns an approved software task into detailed written work items and runnable checks, saved in an epic folder. An epic is a larger piece of work made up of smaller tasks.

In plain words
What is it for?
Use it to write story specifications and task files for a software change. It also checks that the task's purpose, users, and interfaces are understood before planning.
Why use it?
It prevents vague plans and makes success testable before implementation starts. Each task includes a command that can verify its result.

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/danielvm-git/bigpowers/plan-work
Any agent
npx skills add danielvm-git/bigpowers --skill plan-work
Clone the repo
git clone --depth 1 https://github.com/danielvm-git/bigpowers

Made for: Claude Code, Codex.

Per session 86 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,364 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 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 $0.00086 $0.03364
Opus 5 $0.00043 $0.01682
Sonnet 5 $0.00017 $0.00673
Haiku 4.5 $0.00009 $0.00336

Measured 2d ago against content hash 728323f8714f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

plan-work scanned grade B with 2 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 2d 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.

Sends data to an external URLmediumData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

2. Add POST /users endpoint → verify: curl -s -X POST http://localhost:3000/users -d '{"email":"[email protected]"}' | jq .id

Makes network callslowCapability

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

2. Add POST /users endpoint → verify: curl -s -X POST http://localhost:3000/users -d '{"email":"[email protected]"}' | jq .id
.cline/skills/plan-work/SKILL.md · 273 lines

How it starts

The opening of the file, as written. The whole thing — 273 lines — stays where its author put it; the contents beside it link to each section on GitHub.

story: e45s29

Plan Work

Spine position: Step 3 — scope-work → slice-tasks → plan-work.

Produce a detailed, verifiable implementation plan in the active epic capsule directory (specs/epics/eNN-slug/). Output: a story spec .md file (countable-story-format) and a decoupled eNNsYY-tasks.yaml with runnable verify commands. "I think it works" is not a step.

HARD GATE — Do NOT proceed with a plan until the task's success criteria are clear. If success is ambiguous, convert the task into "step → verify: <cmd>" pairs here before writing tasks — every task ships a runnable verify: or the plan is not done.

RECURSIVE DISCIPLINE — This lifecycle applies to EVERY task, including updating these skills. Never skip planning because a task is "meta" or "just documentation."

Pre-flight

Read: release-plan.yaml, product/SCOPE_LATEST.yaml, active epics/<capsule>/epic.yaml, tech-architecture/tech-stack.md, product/GLOSSARY_LATEST.yaml.

ZOOM-OUT MANDATE (v1.17.0) — If modifying an existing module: (1) State the module's purpose. (2) Name its callers. (3) List its contracts. Cannot answer all three? Stop — scope is misunderstood.

If this plan touches an existing module, run assess-impact first to understand blast radius.

DISCOVERY MANDATE (v1.18.0) — For external API integration, verify the API signature via local docs or search and quote at least one technical detail in the step's context.

MULTIPLE INTERPRETATIONS (HARD GATE) — If the task admits ≥2 valid interpretations, list them and get a user decision before drafting any steps.

COMPLEXITY PUSHBACK (HARD GATE) — Every new abstraction MUST include a one-sentence "Reason for Depth." If it can't be filled non-trivially, the abstraction is premature — use inline code instead.

SLOPCHECK (HARD GATE) — For every external package, tag it [OK], [SUS], or [SLOP]. [SUS]/[SLOP] require human approval before execution.

Invocation modes

Read the full file on GitHub · 273 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. 2d ago First seen · 273 lines · 86 tokens per session scan B 728323f8714f

Subscribe to this mod's changes

plan-work is a skill published in the GitHub repository danielvm-git/bigpowers (156 stars, last pushed 25d ago), licensed MIT. It adds 86 tokens to every session and 3,364 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 2 findings (sends data to an external url, 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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