Install the "idea-grooming" agent skill from https://github.com/grandamenium/cortextos/tree/main/skills/idea-grooming into .claude/skills/idea-grooming/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-grooming", then confirm the skill loads.
Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
skills CLI
$ npx skills add grandamenium/cortextos --skill idea-grooming -a codex
Project install goes to .agents/skills/; add -g for ~/.codex/skills/.
Install the "idea-grooming" agent skill from https://github.com/grandamenium/cortextos/tree/main/skills/idea-grooming into .agents/skills/idea-grooming/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-grooming", then confirm the skill loads.
Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
skills CLI
$ npx skills add grandamenium/cortextos --skill idea-grooming -a cursor
Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.
Install the "idea-grooming" agent skill from https://github.com/grandamenium/cortextos/tree/main/skills/idea-grooming into .cursor/skills/idea-grooming/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-grooming", then confirm the skill loads.
Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
skills CLI
$ npx skills add grandamenium/cortextos --skill idea-grooming -a gemini-cli
Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.
Install the "idea-grooming" agent skill from https://github.com/grandamenium/cortextos/tree/main/skills/idea-grooming into .gemini/skills/idea-grooming/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-grooming", then confirm the skill loads.
Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
skills CLI
$ npx skills add grandamenium/cortextos --skill idea-grooming -a github-copilot
Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.
Install the "idea-grooming" agent skill from https://github.com/grandamenium/cortextos/tree/main/skills/idea-grooming into .github/skills/idea-grooming/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-grooming", then confirm the skill loads.
GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
skills CLI
$ npx skills add grandamenium/cortextos --skill idea-grooming -a opencode
OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
Install the "idea-grooming" agent skill from https://github.com/grandamenium/cortextos/tree/main/skills/idea-grooming into .opencode/skills/idea-grooming/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "idea-grooming", then confirm the skill loads.
OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
Skill name
idea-grooming
GitHub stars
101
Token cost
~2k tokens
SKILL.md length
1,011 words
Files
1
Skills in repo
55
Repo updated
First seen
Licence
MIT
At a glance
Pressure-test a captured idea against an objective rubric and write a structured analysis back into the source file.
Works in 4 steps: Update frontmatter: status: groomed,… → Fill each section body in the rubric… → If verdict is pursue and 3+ work threads… → …
: a new idea drops into an Ideas/ inbox (manual
SKILL.md covers Inputs, Posture (read this every time), Section-by-section rubric and Promotion rule (single file →…, plus 3 more sections
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Idea Grooming is an agent skill from grandamenium/cortextos. Pressure-test a captured idea against an objective rubric and write a structured analysis back into the source file. Use when: a new idea drops into an Ideas/ inbox (manual or cron-watched), or when re-grilling an existing groomed idea against fresh market data.
Its SKILL.md is about 2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Education, covering Quizzes and assessments, Requirements gathering and Scheduled and recurring tasks. The licence is MIT.
When your agent uses it
: a new idea drops into an Ideas/ inbox (manual
Re-grilling an existing groomed idea against fresh market data
Example prompts
“/idea-grooming”
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
1Update frontmatter: status: groomed, groomed: , fill originality_score, market_size, manual_burden, verdict, populate tags if useful
2Fill each section body in the rubric order above
3If verdict is pursue and 3+ work threads emerge, also do the promotion (move file to folder, create subfolders)
4Don't touch the ## Original capture section — that's the historical record
What it can do on your machine
Read from SKILL.md and the folder at commit 6f93838. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are yaml).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Idea Grooming loads about 2k tokens when it runs. Until then it costs about 69 tokens; SKILL.md has 1,011 words of instructions outside code blocks.
Always· name and description, kept in context so the agent knows when to use it
~69
When it runs· the whole SKILL.md, loaded when a task matches
~2k
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
Download SKILL.mdSave it as .claude/skills/idea-grooming/SKILL.md (or your agent's skills folder).
name
idea-grooming
description
Pressure-test a captured idea against an objective rubric and write a structured analysis back into the source file. Use when: a new idea drops into an Ideas/ inbox (manual or cron-watched), or when re-grilling an existing groomed idea against fresh market data.
Idea Grooming
You evaluate captured ideas against a rubric and write the analysis back into the source file in place. The original capture stays at the top, untouched. Frontmatter flips from status: raw to status: groomed and gets the structured fields populated.
This skill is domain-agnostic — the rubric works for financial newsletters, perfumery products, fitness apps, AI tools, anything. Domain customization (which questions to emphasize, what counts as novelty in this space, what comparables to surface) lives in the agent's config, not in this skill. Read your config.json or domain-specific notes for that overlay.
Inputs
A markdown file at a path the operator provides (typically <vault>/Ideas/<idea>.md). The file follows the canonical template:
If a file you're asked to groom doesn't have the frontmatter shell, add it. Don't refuse the work just because the format is off.
Posture (read this every time)
Ground every claim in something concrete. "There's clearly demand" is not a claim. "Stratechery has 30k+ paid subs at $120/yr in this exact category" is.
Default to skepticism. Most ideas are average. Originality is rare; mark originality_score: 2 if that's the truth.
Surface disagreement. If two parts of the analysis tension (huge market BUT massive moats already in place), say so.
No flattery. If verdict is kill, write the kill reason cleanly. The whole point of grooming is sharper thinking, not validation.
Write the body in plain language. This is read by humans, not by other agents. No bureaucratese.
Section-by-section rubric
Originality (1-5)
1 — exists at scale, undifferentiated copy
2 — exists, this version has a small twist
3 — meaningful differentiation in a crowded space
4 — genuinely new angle in a known category
5 — new category, no obvious comparable
Always name the closest 2-3 comparables explicitly. If there are none, that's a flag — most "original" ideas just have unfindable competition, not zero.
Market potential
Three reads:
Who buys/uses — name the persona, not "people who want X"
Demand signal — what's already paying for nearby goods? Search trends? Subreddit activity? Conference floor density?
Size band — small (<$10M TAM, lifestyle), mid ($10M–$1B, real business), large ($1B–$50B, venture-scale), massive ($50B+, generational)
Pick the band you can defend. If you'd cringe at a partner reading your defense, drop a band.
Moats
For each defensible advantage, mark it:
Data — proprietary data accumulating with use
Distribution — owned audience, established channel
Brand — recognized name worth a premium
Network — value increases with users
Switching cost — pain to leave, not just inertia
Regulatory — license/compliance barrier
Talent — rare skill concentrated here
IP — patents, copyright, trade secret
For each: load-bearing (would actually defend in a price war) or weak (sounds defensible, isn't). Don't list a moat if it's weak — say "no real moat" honestly.
Barriers
What would actually stop us from shipping v1?
Tech — does it exist, is it ours to build, do we have skills
Capital — burn rate to MVP
Distribution — how do customers find this
Regulation — license/compliance to operate
Talent — who has to be hired
Customer trust — does the audience believe a 2-person op can deliver
Rank by which would ACTUALLY stop us. Customer trust often beats tech.
Scaling vulnerabilities
What breaks between MVP and 10x / 100x / 1000x:
Manual-ops bottleneck (does someone have to touch every customer)
Unit economics (cost curve flat or flipping negative at scale)
Support burden (who answers tickets at 1k users)
Compliance scope (regulation tightens at audience size)
Vendor lock-in (Mailchimp limits, API rate limits, etc.)
For each: at what scale does this bite? Day 1, 100 users, 10k users?
Manual burden
Honest labor estimate:
low — <2 hr/week to operate at MVP scale
med — 2–15 hr/week
high — 15+ hr/week, requires a hire to scale
Be specific about WHERE the burden sits — content production, customer success, ops, content review. AI helps where it's actually generative; not where it's review/judgment.
Show full SKILL.md (389 more words)Show less
Verdict
pursue — passes on all dimensions OR strong enough on 2-3 to justify exploring deeper. Add 1-3 concrete next moves.
park — promising but blocked by timing, capital, or another priority. Add a "revisit when X" condition.
kill — fails core dimension (no moat AND no market AND no originality). Add the one-line kill reason.
needs-more — analysis genuinely can't conclude with available info. Add what to learn.
Promotion rule (single file → folder)
Promote a .md to a folder (<idea-name>/Index.md + Notes/ + References/ + Open Questions.md) when ALL true:
verdict: pursue
3+ distinct work threads (e.g. tech build + brand work + customer dev + legal review)
The single-file structure is becoming hard to reason about
Set folder_promoted: true in frontmatter when you do this. Move the original file to become Index.md in the new folder.
Domain overlay (read agent config)
Before grooming, check your agent's config for domain-specific signals:
domains: [<list>] — what spaces this agent works in (financial, perfumery, fitness, ai-communities, etc.)
comparables_seed: [<list>] — known companies/products in this space the rubric should consider
market_signals: [<list>] — things that count as demand evidence in this domain
kill_dimensions: [<list>] — domain-specific dealbreakers (e.g. "regulated advice without a license" for financial)
If your agent has no domain config, run the rubric domain-agnostic and surface in the verdict that no domain context was loaded.
Output
You write the analysis back into the source file in place:
Update frontmatter: status: groomed, groomed: <today's date>, fill originality_score, market_size, manual_burden, verdict, populate tags if useful
Fill each section body in the rubric order above
If verdict is pursue and 3+ work threads emerge, also do the promotion (move file to folder, create subfolders)
Don't touch the ## Original capture section — that's the historical record
Confirm completion in the way your agent normally confirms work (Telegram message to operator, log entry, etc.).
Re-grilling (cron pattern)
When run on a schedule against existing status: groomed + verdict: pursue ideas:
Re-read the file
Check for fresh news/market shifts in the domain (use the business-news-monitor skill output if available)
If the original analysis still holds → update groomed date only
If something material has shifted (new competitor, regulation change, market shrinkage) → append a ## Re-grill <date> section noting the shift + impact on verdict
If verdict needs to change → update frontmatter + add the re-grill section explaining why
Don't rewrite the original analysis — append. The trail is part of the value.
Idea Grooming next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
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Pressure-test a captured idea against an objective rubric and write a structured analysis back into the source file. Idea Grooming is an agent skill from grandamenium/cortextos. Pressure-test a captured idea against an objective rubric and write a structured analysis back into the source file.
When should I use Idea Grooming?
Idea Grooming fits situations like: : a new idea drops into an Ideas/ inbox (manual; re-grilling an existing groomed idea against fresh market data.
How do I install Idea Grooming in Claude Code?
Run `npx skills add grandamenium/cortextos --skill idea-grooming -a claude-code`. Or copy the skill folder (skills/idea-grooming in grandamenium/cortextos) into .claude/skills/idea-grooming in your project. Claude Code loads it when a task matches its description.
How do I install Idea Grooming in Codex?
Run `npx skills add grandamenium/cortextos --skill idea-grooming -a codex`. Or copy the skill folder (skills/idea-grooming in grandamenium/cortextos) into .agents/skills/idea-grooming in your project. Codex loads it when a task matches its description.
Can I use Idea Grooming in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add grandamenium/cortextos --skill idea-grooming -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/idea-grooming, .gemini/skills/idea-grooming, .github/skills/idea-grooming and .opencode/skills/idea-grooming in your project.
What does Idea Grooming need to run?
SKILL.md names no scripts, command-line tools or credentials: Idea Grooming is instructions for the agent only.
Does Idea Grooming access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Idea Grooming safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Idea Grooming use?
Idea Grooming is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Idea Grooming use?
About 2k tokens (SKILL.md is roughly 7.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Idea Grooming?
Skills that share tags, products or a category with Idea Grooming: Agent Launcher Orchestrator (alirezarezvani/claude-skills, 28k stars), Tendrillable (Ivy-Interactive/Ivy-Tendril, 202 stars), Tinyplace Agent (tinyhumansai/tiny.place, 138 stars) and Executive Digest (mgonto/executive-assistant-skills, 118 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Idea Grooming?
grandamenium (a GitHub user) maintains it in grandamenium/cortextos, which has 101 GitHub stars. The repository holds 55 skills in this directory. The repository was last updated on September 23, 2026.
Source: grandamenium/cortextos on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.