Individual skill
s4h-information
Entry point for the information theory toolkit. Routes to the right information skill based on your situation. Use when you say 'information', 'signal vs noise', 'what matters here', 'too much data', 'what can be cut', 'redundancy', 'uncertainty', 'surprise', 'how much information does this actually contain', or want information-theoretic thinking applied without knowing which specific tool fits.
skills/s4h-information/SKILL.md
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- License
- MIT
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# Information
Applies information theory to problems of signal, noise, compression, redundancy, and uncertainty. Diagnoses what kind of information analysis is needed and routes to the right tool.
Claude Shannon's 1948 paper *A Mathematical Theory of Communication* established that information has measurable structure. That structure applies far beyond telecommunications: to how clearly a message reaches its audience, how much a piece of evidence actually tells you, how efficiently knowledge is encoded, and how resilient a system is against loss. These tools make that structure visible.
## Which tool fits
| You need to... | Tool |
|---|---|
| Separate what matters from what doesn't | information-signal-noise |
| Work out what can be preserved and what can be discarded | information-compression |
| Understand where repetition helps versus wastes | information-redundancy |
| Measure uncertainty, surprise, or information content | information-entropy |