writing-plans

writing-plans is a skill for Claude Code from bostonaholic/rpikit. It costs 32 tokens per session (2,894 once invoked), scanned A, original, MIT.

A workflow for turning research or a loosely defined request into a detailed implementation plan. The plan includes concrete tasks, success checks and risk-based controls.

In plain words
What is it for?
Finding relevant project files or research, defining requirements, breaking work into steps and documenting how each step will be checked.
Why use it?
It reduces uncertainty before coding and gives the work a clear definition of what must be completed and verified.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: names the AskUserQuestion tool.

Part of the rpikit plugin — 16 skills, 7 agents shipped together

Good fit Finding relevant project files or research, defining requirements, breaking work into steps and documenting how each step will be checked.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bostonaholic/rpikit/writing-plans
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.

Any agent
npx skills add bostonaholic/rpikit --skill writing-plans
Clone the repo
git clone --depth 1 https://github.com/bostonaholic/rpikit

Made for: Claude Code.

Or install rpikit, the plugin that ships this one along with the rest of its 16 skills, 7 agents.

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 writing-plans

README.md
[![agentmods](https://agentmods.dev/badge/skills/bostonaholic/rpikit/writing-plans/github.svg)](https://agentmods.dev/skills/bostonaholic/rpikit/writing-plans)
Your own site
<a href="https://agentmods.dev/skills/bostonaholic/rpikit/writing-plans"><img src="https://agentmods.dev/badge/skills/bostonaholic/rpikit/writing-plans/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for writing-plans

Your own site · 80×15
<a href="https://agentmods.dev/skills/bostonaholic/rpikit/writing-plans"><img src="https://agentmods.dev/badge/skills/bostonaholic/rpikit/writing-plans.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,894 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 3 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Memory Poisoning · line 80
    Skill manipulates agent memory, state, or stored context. Memory corruption can alter personality, override safety rules, or cause unpredictable behavior.
    Fix: Protect agent memory and state from modification by untrusted content. Use read-only memory for critical instructions and validate all state changes.
  • medium Excessive Agency · line 213
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
  • medium Excessive Agency · line 393
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
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 $0.00032 $0.02894
Opus 5 $0.00016 $0.01447
Sonnet 5 $0.00006 $0.00579
Haiku 4.5 $0.00003 $0.00289

Measured 11d ago against content hash b9add9872015, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

writing-plans 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 11d 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/writing-plans/SKILL.md · 418 lines

How it starts

The opening of the file, as written. The whole thing — 418 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Planning Phase

Create an implementation plan for: $ARGUMENTS

Purpose

Planning transforms research findings into actionable implementation strategy. A good plan enables disciplined execution by breaking work into granular tasks with clear verification criteria. Plans serve as contracts between human and AI, ensuring alignment before code is written.

Process

1. Check for Research

Look for existing research at: docs/plans/YYYY-MM-DD-<topic>-research.md

(Search for files matching *-<topic>-research.md pattern)

If research exists:

  • Read and reference the research findings
  • Build the plan on documented context
  • Link to research in plan document

If no research exists:

  • Ask if research should be conducted first
  • For high-stakes tasks, recommend research first
  • For low-stakes tasks, use the file-finder agent to locate relevant files:
Task tool with subagent_type: "file-finder"
Prompt: "Find files related to [task]. Goal: [what will be implemented]"

2. Define Success Criteria

Before planning tasks, establish what "done" looks like:

  • Functional requirements (what it does)
  • Non-functional requirements (performance, security)
  • Acceptance criteria (how to verify)

Use AskUserQuestion to clarify requirements if needed.

3. Classify Stakes

Determine implementation risk level:

Stakes Characteristics Planning Rigor
Low Isolated change, easy rollback, low impact Brief plan
Medium Multiple files, moderate impact, testable Standard plan
High Architectural, hard to rollback, wide impact Detailed plan

Document the classification and rationale in the plan.

4. Break Down Tasks

Decompose work into granular, verifiable steps.

Identify target files:

Use file paths from research document, or if unavailable, use the file-finder agent to locate files for each task area:

Read the full file on GitHub · 418 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. 11d ago First seen · 418 lines · 32 tokens per session scan A b9add9872015

Subscribe to this mod's changes

writing-plans is a skill published in the GitHub repository bostonaholic/rpikit (20 stars, last pushed 4d ago), licensed MIT. It adds 32 tokens to every session and 2,894 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 2026-08-30.

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