iterate-plan

iterate-plan is a skill for Claude Code from coalesce-labs/catalyst. It costs 64 tokens per session (1,150 once invoked), scanned A, original, no licence file.

A coding-agent add-on for revising an existing implementation plan. An implementation plan is a written outline of the technical work needed to build a change.

In plain words
What is it for?
Updating plans stored in thoughts/shared/plans/ after review or when the requirements or technical approach change.
Why use it?
It helps keep the planned approach aligned with review feedback, newly discovered issues, or changed requirements.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the catalyst-dev plugin — 31 skills, 9 agents shipped together

Good fit Updating plans stored in thoughts/shared/plans/ after review or when the requirements or technical approach change.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/coalesce-labs/catalyst/iterate-plan
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 coalesce-labs/catalyst --skill iterate-plan
Clone the repo
git clone --depth 1 https://github.com/coalesce-labs/catalyst

Made for: Claude Code.

Or install catalyst-dev, the plugin that ships this one along with the rest of its 31 skills, 9 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 iterate-plan

README.md
[![agentmods](https://agentmods.dev/badge/skills/coalesce-labs/catalyst/iterate-plan/github.svg)](https://agentmods.dev/skills/coalesce-labs/catalyst/iterate-plan)
Your own site
<a href="https://agentmods.dev/skills/coalesce-labs/catalyst/iterate-plan"><img src="https://agentmods.dev/badge/skills/coalesce-labs/catalyst/iterate-plan/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 iterate-plan

Your own site · 80×15
<a href="https://agentmods.dev/skills/coalesce-labs/catalyst/iterate-plan"><img src="https://agentmods.dev/badge/skills/coalesce-labs/catalyst/iterate-plan.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,150 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 unknown 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 $0.00064 $0.01150
Opus 5 $0.00032 $0.00575
Sonnet 5 $0.00013 $0.00230
Haiku 4.5 $0.00006 $0.00115

Measured 9d ago against content hash e2ec19820532, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

iterate-plan 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 9d 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.

plugins/dev/skills/iterate-plan/SKILL.md · 139 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 9d ago First seen · 139 lines · 64 tokens per session scan A e2ec19820532

Subscribe to this mod's changes

iterate-plan is a skill published in the GitHub repository coalesce-labs/catalyst (20 stars, last pushed yesterday), with no licence file. It adds 64 tokens to every session and 1,150 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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