Readability

Organization

humanizerai

readability

Analyze text readability with Flesch-Kincaid, Gunning Fog, SMOG, and other metrics. Returns objective scores with interpretation and recommendations.

Overview

Publisher	humanizerai
Repository	`agent-skills`
Skill name	`readability`
Stars	54
Forks	7
Bundled files	Instructions only
License	MIT
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by humanizerai on GitHub. Read the source before you install it.

Installation

Install the Readability AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/humanizerai/agent-skills/tree/main/skills/readability
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/humanizerai/agent-skills.git /tmp/agent-skills
mkdir -p .claude/skills
cp -r /tmp/agent-skills/skills/readability .claude/skills/readability

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Readability in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Readability on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Readability is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Analyze Readability

Calculate and display readability metrics for the provided text.

Input

The user provides text in $ARGUMENTS. If no text provided, ask for it.

Metrics to Calculate

Core Scores

Metric	Formula	Interpretation
Flesch Reading Ease	206.835 - 1.015(words/sentences) - 84.6(syllables/words)	0-100, higher = easier
Flesch-Kincaid Grade	0.39(words/sentences) + 11.8(syllables/words) - 15.59	US grade level
Gunning Fog Index	0.4[(words/sentences) + 100(complex words/words)]	Years of education
SMOG Index	1.043 × √(complex words × 30/sentences) + 3.1291	Grade level

Complex words = 3+ syllables

Text Statistics

Word count
Sentence count
Average sentence length (words)
Average word length (characters)
Complex words count and %
Passive voice sentences (estimate)

Output Format


## Readability Analysis

### Scores
| Metric | Score | Meaning |
|--------|-------|---------|
| Flesch Reading Ease | [X] | [interpretation] |
| Flesch-Kincaid Grade | [X] | [grade level] |
| Gunning Fog | [X] | [years education] |
| SMOG | [X] | [grade level] |

### Statistics
- Words: [X]
- Sentences: [X]
- Avg sentence length: [X] words
- Complex words: [X] ([Y]%)

### Target Audience
[Who can easily read this based on scores]

### Recommendations
1. [Specific suggestion]
2. [Specific suggestion]
3. [Specific suggestion]

Interpretation Guide

Flesch Score	Grade	Audience
90-100	5th	Very easy
80-89	6th	Easy
70-79	7th	Fairly easy
60-69	8-9th	Standard
50-59	10-12th	Fairly difficult
30-49	College	Difficult
0-29	Graduate	Very difficult

Recommendations

Based on scores, suggest:

Sentences to shorten (if avg > 20 words)
Complex words to simplify
Passive voice to convert to active
Specific examples of what to fix

Frequently asked questions

What does the Readability AI skill do?

Analyze text readability with Flesch-Kincaid, Gunning Fog, SMOG, and other metrics. Returns objective scores with interpretation and recommendations.

Why use Readability on TypingMind?

Because you install it once and use it with any model. Readability is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Readability in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/humanizerai/agent-skills/tree/main/skills/readability. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Readability?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Readability?

As many as you like. As long as a model supports skills, you can use Readability with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Readability AI skill free?

Yes. It is published on GitHub by humanizerai under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Analyze Readability

Input

Metrics to Calculate

Core Scores

Text Statistics

Output Format

Interpretation Guide

Recommendations

Frequently asked questions

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