Statistical Power
K-Dense-AI/scientific-agent-skills
Calculates sample sizes and statistical power for study planning.
Apply 80/20 power-curve thinking to sales, marketing, customers, offers, traffic, time, and operations.
MITAuto-check passed
Install Eighty Twenty Power Curve
$ npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins eighty-twenty-power-curve --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve .claude/skills/eighty-twenty-power-curve && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "eighty-twenty-power-curve" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve into .claude/skills/eighty-twenty-power-curve/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eighty-twenty-power-curve", 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.
$skill-installer install https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curveType 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.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins eighty-twenty-power-curve --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve .agents/skills/eighty-twenty-power-curve && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "eighty-twenty-power-curve" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve into .agents/skills/eighty-twenty-power-curve/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eighty-twenty-power-curve", 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.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins eighty-twenty-power-curve --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve .cursor/skills/eighty-twenty-power-curve && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "eighty-twenty-power-curve" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve into .cursor/skills/eighty-twenty-power-curve/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eighty-twenty-power-curve", 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.
$ gemini skills install https://github.com/hashgraph-online/awesome-codex-plugins.git --path plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins eighty-twenty-power-curve --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve .gemini/skills/eighty-twenty-power-curve && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "eighty-twenty-power-curve" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve into .gemini/skills/eighty-twenty-power-curve/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eighty-twenty-power-curve", 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.
$ gh skill install hashgraph-online/awesome-codex-plugins eighty-twenty-power-curveInstalls 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).
$ npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve .github/skills/eighty-twenty-power-curve && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "eighty-twenty-power-curve" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve into .github/skills/eighty-twenty-power-curve/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eighty-twenty-power-curve", 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.
$ npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install hashgraph-online/awesome-codex-plugins eighty-twenty-power-curve --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve .opencode/skills/eighty-twenty-power-curve && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "eighty-twenty-power-curve" agent skill from https://github.com/hashgraph-online/awesome-codex-plugins/tree/main/plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve into .opencode/skills/eighty-twenty-power-curve/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "eighty-twenty-power-curve", 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
eighty-twenty-power-curve- GitHub stars
- 1.3k
- Token cost
- ~900 tokens
- SKILL.md length
- 386 words
- Files
- 1
- Skills in repo
- 716
- Repo updated
- First seen
- Licence
- MIT
At a glance
Apply 80/20 power-curve thinking to sales, marketing, customers, offers, traffic, time, and operations.
- Works in 4 steps: Name The Population → Rank By The Outcome That Matters → Look For Nested 80/20 → …
- Finding leverage
- SKILL.md covers Source Traceability, Workflow, Output Format and Quality Bar
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Eighty Twenty Power Curve is an agent skill from hashgraph-online/awesome-codex-plugins. Apply 80/20 power-curve thinking to sales, marketing, customers, offers, traffic, time, and operations. Use when finding leverage, diagnosing uneven results, prioritizing high-upside segments, or replacing average-based reasoning with Pareto and power-law analysis.
Its SKILL.md is about 900 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: Codex, Claude Code, and other Agent Skills-compatible clients.
The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is MIT.
When your agent uses it
- Finding leverage
- Diagnosing uneven results
- Prioritizing high-upside segments
- Replacing average-based reasoning with Pareto and power-law analysis
Example prompts
- “/eighty-twenty-power-curve”
Requirements
- Compatibility (from SKILL.md): Codex, Claude Code, and other Agent Skills-compatible clients.
Workflow steps
4 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 3e1456a. 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 markdown).
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.
Compatibility
Codex, Claude Code, and other Agent Skills-compatible clients.
From compatibility in the SKILL.md frontmatter.
Context cost
Eighty Twenty Power Curve loads about 900 tokens when it runs. Until then it costs about 73 tokens; SKILL.md has 386 words of instructions outside code blocks.
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.
SKILL.md
The full file from hashgraph-online/awesome-codex-plugins at commit 3e1456a, republished under its MIT licence (© hashgraph-online). 386 words, ~900 tokens.
Download SKILL.mdSave it as
.claude/skills/eighty-twenty-power-curve/SKILL.md (or your agent's skills folder).- name
- eighty-twenty-power-curve
- description
- Apply 80/20 power-curve thinking to sales, marketing, customers, offers, traffic, time, and operations. Use when finding leverage, diagnosing uneven results, prioritizing high-upside segments, or replacing average-based reasoning with Pareto and power-law analysis.
- compatibility
- Codex, Claude Code, and other Agent Skills-compatible clients.
- license
- MIT
- metadata.version
- 0.1.0
- metadata.displayName
- 80/20 Power Curve
- metadata.category
- Marketing
- metadata.tags
- eighty-twenty,pareto,sales,marketing,prioritization
80/20 Power Curve
Use this skill to find where a small minority of inputs creates most of the value, cost, waste, demand, or opportunity. It is based on 80/20 Sales and Marketing by Perry Marshall.
Source Traceability
Primary source: 80/20 Sales and Marketing, chapters 1, 5, 14, and the appendix.
- Chapter 1 introduces compounding 80/20 behavior and warns against average thinking.
- Chapter 5 applies the power curve to business opportunity and resource shifts.
- Chapter 14 explains why positive feedback creates non-linear outcomes.
- The appendix gives the math-oriented version of the power curve.
Workflow
1. Name The Population
Define the set being ranked:
- Customers, leads, products, pages, ads, keywords, salespeople, tasks, support issues, markets, partners, content assets, or campaigns.
- Time window.
- Outcome metric: revenue, profit, conversions, usage, retention, attention, qualified pipeline, cost, complaints, or effort.
If the user provides only averages, ask for raw counts or ranked items. If raw data is unavailable, create an explicit estimate and label it.
2. Rank By The Outcome That Matters
Sort items from strongest to weakest. Prefer profit or qualified action over surface volume.
Use these questions:
- Which few items create most of the upside?
- Which few items create most of the waste?
- What is the best item worth compared with the median?
- Where does the distribution drop sharply?
- What would change if resources moved from the weak tail to the strong head?
Show full SKILL.md (157 more words)Show less
3. Look For Nested 80/20
After finding the top 20 percent, look inside that group for the top 20 percent again. Stop when the data becomes too thin to interpret.
Useful nested cuts:
- Top customers inside the top customer segment.
- Best ads inside the best campaign.
- Highest-intent keywords inside the best keyword cluster.
- Best tasks inside the highest-value role.
4. Decide The Resource Shift
Recommend one of four moves:
- Double down on the strongest items.
- Split-test or refine the items near the threshold.
- Stop, delegate, or automate the weak tail.
- Gather better data before acting.
Do not recommend optimization of the average item unless it unlocks a stronger power-curve move.
Output Format
# 80/20 Power Curve Analysis
## Population
- Items ranked:
- Time window:
- Outcome metric:
- Data quality:
## Power-Curve Findings
| Rank/Segment | Item Or Group | Outcome | Interpretation |
|--------------|---------------|---------|----------------|
## Nested 80/20
- Strongest sub-segment:
- Weak tail:
- Biggest surprise:
## Recommended Resource Shift
- Move resources from:
- Move resources to:
- Expected effect:
- Data still needed:Quality Bar
- Do not use averages as the main conclusion.
- Do not treat all customers, leads, channels, or tasks as equal.
- Separate upside concentration from waste concentration.
- Prefer profit, qualified action, or strategic value over raw volume.
- Label assumptions when exact ranked data is missing.
© hashgraph-online, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve of hashgraph-online/awesome-codex-plugins.
Open the folder on GitHubat commit 3e1456a
Compare with similar skills
Eighty Twenty Power Curve 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Eighty Twenty Power Curve this skillhashgraph-online/awesome-codex-plugins | 1.3k | — | ~900 | Automated safety check: Pass | MIT | |
| Statistical PowerK-Dense-AI/scientific-agent-skills | 48k | 1 repos | ~4.4k | Automated safety check: Notes | MIT | |
| Twenty Record Presentationtwentyhq/twenty | 58k | — | ~2.1k | Automated safety check: Pass | Custom licence | |
| Think Tankdavila7/claude-code-templates | 33k | — | ~3k | Automated safety check: Pass | MIT | |
| Powerbergside/awesome-design-skills | 3.1k | — | ~850 | Automated safety check: Pass | MIT | |
| Twenty CRM via MCPtwentyhq/twenty | 58k | — | ~775 | Automated safety check: Pass | Custom licence |
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Questions about Eighty Twenty Power Curve
What does Eighty Twenty Power Curve do?
Apply 80/20 power-curve thinking to sales, marketing, customers, offers, traffic, time, and operations. Eighty Twenty Power Curve is an agent skill from hashgraph-online/awesome-codex-plugins. Apply 80/20 power-curve thinking to sales, marketing, customers, offers, traffic, time, and operations.
When should I use Eighty Twenty Power Curve?
Eighty Twenty Power Curve fits situations like: finding leverage; diagnosing uneven results; prioritizing high-upside segments; replacing average-based reasoning with Pareto and power-law analysis.
How do I install Eighty Twenty Power Curve in Claude Code?
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a claude-code`. Or copy the skill folder (plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve in hashgraph-online/awesome-codex-plugins) into .claude/skills/eighty-twenty-power-curve in your project. Claude Code loads it when a task matches its description.
How do I install Eighty Twenty Power Curve in Codex?
Run `npx skills add hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a codex`. Or copy the skill folder (plugins/LVTD-LLC/skills/skills/eighty-twenty-power-curve in hashgraph-online/awesome-codex-plugins) into .agents/skills/eighty-twenty-power-curve in your project. Codex loads it when a task matches its description.
Can I use Eighty Twenty Power Curve 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 hashgraph-online/awesome-codex-plugins --skill eighty-twenty-power-curve -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/eighty-twenty-power-curve, .gemini/skills/eighty-twenty-power-curve, .github/skills/eighty-twenty-power-curve and .opencode/skills/eighty-twenty-power-curve in your project.
What does Eighty Twenty Power Curve need to run?
SKILL.md names no scripts, command-line tools or credentials: Eighty Twenty Power Curve is instructions for the agent only. Compatibility (from SKILL.md): Codex, Claude Code, and other Agent Skills-compatible clients..
Does Eighty Twenty Power Curve 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 Eighty Twenty Power Curve 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 Eighty Twenty Power Curve use?
Eighty Twenty Power Curve is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Eighty Twenty Power Curve use?
About 900 tokens (SKILL.md is roughly 3.6k 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 Eighty Twenty Power Curve?
Skills that share tags, products or a category with Eighty Twenty Power Curve: Statistical Power (K-Dense-AI/scientific-agent-skills, 48k stars), Twenty Record Presentation (twentyhq/twenty, 58k stars), Think Tank (davila7/claude-code-templates, 33k stars) and Power (bergside/awesome-design-skills, 3.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Eighty Twenty Power Curve?
hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,267 GitHub stars. The repository holds 716 skills in this directory. The repository was last updated on October 10, 2026.
Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.