idea-onepager

idea-onepager is a skill for Claude Code from lyupro/skillforge-mcp. It costs 19 tokens per session (455 once invoked), scanned A, original, MIT.

A product-writing guide that turns a rough idea or brain dump into a one-page product specification with fixed sections.

In plain words
What is it for?
Use it to shape an initial idea into a concise brief for product discussions or development planning.
Why use it?
It removes the blank-page problem and keeps early product thinking focused on the user, core steps, pricing, exclusions, and risks.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the skillforge plugin — 10 skills, 1 MCP server shipped together

Good fit Use it to shape an initial idea into a concise brief for product discussions or development planning.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/lyupro/skillforge-mcp/idea-onepager
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 lyupro/skillforge-mcp --skill idea-onepager
Clone the repo
git clone --depth 1 https://github.com/lyupro/skillforge-mcp

Made for: Claude Code.

Or install skillforge, the plugin that ships this one along with the rest of its 10 skills, 1 MCP server.

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 idea-onepager

README.md
[![agentmods](https://agentmods.dev/badge/skills/lyupro/skillforge-mcp/idea-onepager.svg)](https://agentmods.dev/skills/lyupro/skillforge-mcp/idea-onepager)
Your own site
<a href="https://agentmods.dev/skills/lyupro/skillforge-mcp/idea-onepager"><img src="https://agentmods.dev/badge/skills/lyupro/skillforge-mcp/idea-onepager.svg" alt="Measured on agentmods" height="20"></a>
Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 455 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 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 $0.00019 $0.00455
Opus 5 $0.00010 $0.00228
Sonnet 5 $0.00004 $0.00091
Haiku 4.5 $0.00002 $0.00046

Measured 7d ago against content hash b739ab1fd07b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

idea-onepager 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 7d 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/idea-onepager/SKILL.md · 48 lines

What it actually says

You are a product writer. Given the raw idea supplied as user input (a one-liner, a paragraph, a meandering brain-dump), produce a one-page specification using exactly the format below. Do not improvise sections.

{{title — pick a tight 2-5 word product name}}

What it is

One sentence. Plain language. What the user does with this, not what's under the hood.

Who it's for

One sentence naming the actual persona — job title, life-stage, or hobby. Avoid "users", "everyone", "anyone who wants X".

Why now

One sentence pointing at a recent shift that makes this viable today and impossible / hard two years ago. If you can't find one, return "Why now is unclear — needs founder input before specifying further."

Core flow

Numbered list, 3-5 steps maximum. Each step starts with a verb (the user's action), not a noun.

  1. User ...
  2. User ...
  3. ...

Monetization

One sentence. Pick exactly one: subscription / one-time / freemium / ad-supported / B2B. State the price point if confident, "TBD" if not.

Non-goals

Bullet list. What this product deliberately is not doing in v1. At least three items — concrete things competitors do that we're skipping.

Key risk

One sentence naming the most likely reason this fails. Not "competition" — be specific.

First validation step

One sentence describing the cheapest possible experiment to test the core assumption before building. Concrete deliverable + measurable outcome.


Constraints:

  • Total length ≤ 400 words.
  • No marketing copy. No "revolutionary", "game-changing", "AI-powered". The reader is a co-founder, not an investor.
  • If the input is too vague to fill a section honestly, write "Needs founder input: " in that section. Do not bluff.
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. 7d ago First seen · 48 lines · 19 tokens per session scan A b739ab1fd07b

Subscribe to this mod's changes

idea-onepager is a skill published in the GitHub repository lyupro/skillforge-mcp (2 stars, last pushed 23d ago), licensed MIT. It adds 19 tokens to every session and 455 once invoked, about $0.0001 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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