plan-create

plan-create is a skill for Claude Code, Codex from pantheon-org/tekhne. It costs 113 tokens per session (2,929 once invoked), scanned A, original, MIT.

A skill for creating structured implementation-plan files with YAML metadata, phases, tasks, and work waves. It checks existing plans so new ones follow the project's conventions.

In plain words
What is it for?
It helps draft plans for multi-step projects, divide work into phases and tasks, and validate the plan before implementation.
Why use it?
It turns a broad piece of work into a reviewable plan with consistent structure and clear steps.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It helps draft plans for multi-step projects, divide work into phases and tasks, and validate the plan before implementation.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/pantheon-org/tekhne/plan-create
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 pantheon-org/tekhne --skill plan-create
Clone the repo
git clone --depth 1 https://github.com/pantheon-org/tekhne

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 plan-create

README.md
[![agentmods](https://agentmods.dev/badge/skills/pantheon-org/tekhne/plan-create/github.svg)](https://agentmods.dev/skills/pantheon-org/tekhne/plan-create)
Your own site
<a href="https://agentmods.dev/skills/pantheon-org/tekhne/plan-create"><img src="https://agentmods.dev/badge/skills/pantheon-org/tekhne/plan-create/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 plan-create

Your own site · 80×15
<a href="https://agentmods.dev/skills/pantheon-org/tekhne/plan-create"><img src="https://agentmods.dev/badge/skills/pantheon-org/tekhne/plan-create.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 113 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,929 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 pass 7 Sept 2026
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 $0.00113 $0.02929
Opus 5 $0.00056 $0.01465
Sonnet 5 $0.00023 $0.00586
Haiku 4.5 $0.00011 $0.00293

Measured 9d ago against content hash c09259b0c16d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

plan-create 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/validate-plan-scaffold.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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/project-mgmt/plan-create/SKILL.md · 265 lines

How it starts

The opening of the file, as written. The whole thing — 265 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Plan Create -- Structured Plan Scaffolding

Create .context/plans/ files that pass structural validation and match local conventions. The workflow ensures every plan has valid frontmatter, clear phases and tasks, and can be immediately reviewed by the plan-review skill.

Prerequisites

  • A clear idea of the work to be planned (goal, scope, implementation steps)
  • The context-file skill available if frontmatter repair is needed
  • The plan-review skill available for post-creation validation (optional)
  • Shell access to run validation scripts

When to Use

  • Drafting a new implementation plan with multiple phases
  • Scoping work that needs review before implementation begins
  • Creating a plan that will later be audited by plan-review

When NOT to Use

  • For the main project SKILL.md or agent skills -- use the skill template instead
  • For one-off notes or scratch files -- use inline notes
  • When the work is trivially small (1 step, no phases) -- just write a finding

Workflow

1. Gather the plan specification

Ask the user about the plan. Collect at minimum:

  • Goal -- what does success look like? What problem is being solved?
  • Scope -- what's in and what's out? Are there known constraints?
  • Phases -- what are the sequential stages? Each phase should:
    • Have a clear deliverable or exit criterion
    • Be independently shippable (could stop after this phase)
    • Be 2–5 tasks, not 20+
  • Tasks per phase -- for each phase, list concrete work units:
    • Each task should be completable in a single session (hours, not weeks)
    • Use actionable language ("Add --format flag", not "Improve output")
    • Flag which tasks can run in parallel (waves)
  • Dependencies -- does this plan depend on other plans, PRs, or external work?
  • Risks -- what could go wrong? What's the biggest unknown?
  • Timeline -- optional, if the user has a deadline or priority
  • Effort -- a T-shirt-sized estimate. Value -- a benefit-of-action grade. Themes -- an ordered subject-area tag list. All three are required frontmatter fields; see Grading Effort, Value, and Themes for the full rubric, allowed values, and worked examples. TYPICALLY these three fields are the ones a first-time plan author gets wrong -- read the reference before guessing.

Read the full file on GitHub · 265 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. 9d ago First seen · 265 lines · 113 tokens per session scan A c09259b0c16d

Subscribe to this mod's changes

plan-create is a skill published in the GitHub repository pantheon-org/tekhne (10 stars, last pushed yesterday), licensed MIT. It adds 113 tokens to every session and 2,929 once invoked, about $0.0006 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 2026-09-03.

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