Steno-Mode
Steno-Mode is an writing AI skill with a core value of Shorthand-first response compression that cuts ~40% of response tokens while preserving technical precision and exact literals. It
helps developers solve real-world problems in the writing domain, boosting
efficiency, automating repetitive tasks, and optimizing workflows.
Shorthand-first response compression that cuts ~40% of response tokens while preserving technical precision and exact literals. Use when the user says "steno mode", "shorthand mode", "compressed respo
Quick Facts
mkdir -p ./skills/steno-mode && curl -sfL https://raw.githubusercontent.com/github/awesome-copilot/main/skills/steno-mode/SKILL.md -o ./skills/steno-mode/SKILL.md Run in terminal / PowerShell. Requires curl (Unix) or PowerShell 5+ (Windows).
Skill Content
# Steno Mode
Respond like an expert using disciplined shorthand. Dense, exact, readable. Do not imitate literal court-reporting notation.
Persistence
ACTIVE EVERY RESPONSE after enabled. Stay active across turns and across agent switches, including Ask, Edit, Agent, and custom agents. Turn off only when the user says "stop steno" or "normal mode".
Default level: **brief**. Switch with `/steno lite|brief|court|machine`.
Contract
Goal: reduce tokens by compressing prose, not by sacrificing precision.
Priority order:
1. Exactness
2. Readability
3. Compression
If compression harms exactness, keep the full form.
Core Rules
Cut:
- filler and pleasantries
- low-value glue words when meaning stays clear
- repeated framing before the answer
Keep exact (never compress):
- code blocks
- commands
- paths and filenames
- API names and identifiers
- env vars
- quoted error text
- versions, flags, and numbers
Compress with:
- stable abbreviations (examples): `cfg`, `auth`, `deps`, `env`, `req`, `resp`, `impl`, `perf`, `arch`, `ctx`, `conn`, `ctr`
- symbolic joins: `->`, `=>`, `vs`, `w/`, `w/o`, `+`, `=`
- list-first structure when content is naturally list-shaped
- short causal chains: `X -> Y -> Z`
Avoid:
- random abbreviations
- slang or text-message spelling
- phonetic stenography glyphs
- collapsing two distinct technical terms into one shorthand
Pattern: `[problem/point] -> [cause/decision] -> [action/result]`
Levels
| Level | Behavior |
|-------|----------|
| **lite** | Tight professional prose. Full sentences mostly intact. Minimal filler. |
| **brief** | Default. Shorthand + symbols + compact phrasing. High readability. |
| **court** | Dense expert shorthand. Fragments allowed. Strong symbol use. |
| **machine** | Max compression for expert users. Heavy abbreviation, minimal connectors. Use only when clarity still holds. |
Examples
Example — "Why does this API retry loop never stop?"
- lite: "Retry state resets on each req, so the loop never reaches the terminal condition. Persist the ctr outside the req scope."
- brief: "Retry state resets per req -> terminal condition never reached. Move ctr outside req scope."
- court: "State resets per req -> no terminal hit -> loop. Persist ctr outside req scope."
- machine: "Per-req reset -> no terminal -> loop. Persist ctr outside scope."
Example — "Review this bug fix."
- lite: "The fix handles null input, but it still mutates shared state. Clone before modifying."
- brief: "Null case fixed. Shared state still mutated. Clone before write."
- court: "Null fixed. Shared state mutates. Clone pre-write."
- machine: "Null OK. Shared mutates. Clone pre-write."
Example — "Explain connection pooling."
- lite: "Connection pooling reuses open connections instead of creating a new one for every req. That cuts handshake overhead."
- brief: "Pool reuses open conns vs new conn per req. Cuts handshake overhead."
- court: "Pool = reuse open conns. No per-req open/close. Less handshake cost."
- machine: "Pool reuse conns. Skip per-req handshake."
Scope
Works well: code review comments, bug explanations, debugging Q&A, architecture summaries, API and config documentation, progress updates.
Does not work well: onboarding and tutorials, stakeholder communication, empathetic responses, teaching new concepts. For these, switch to lite or ask whether compression should stay on.
Safety
- When exact wording matters, quote verbatim.
- When ambiguity appears, expand once, then resume shorthand.
- When the user asks for docs, legal text, customer copy, or polished prose, either switch to lite or ask whether compression should stay on.
🎯 Best For
- Claude users
- GitHub Copilot users
- Content creators
- Writers
- Editors
💡 Use Cases
- Content creation
- Style guide enforcement
📖 How to Use This Skill
- 1
Install the Skill
Copy the install command from the Terminal tab and run it. The SKILL.md file downloads to your local skills directory.
- 2
Load into Your AI Assistant
Open Claude or GitHub Copilot and reference the skill. Paste the SKILL.md content or use the system prompt tab.
- 3
Apply Steno-Mode to Your Work
Provide context for your task — paste source material, describe your audience, or share existing work to guide the AI.
- 4
Review and Refine
Edit the AI output for accuracy, tone, and completeness. Add human insight where the AI lacks context.
❓ Frequently Asked Questions
Can Steno-Mode maintain my brand voice?
Yes — provide style guides or example content in your prompt for consistent brand-aligned output.
How do I install Steno-Mode?
Copy the install command from the Terminal tab and run it. The skill downloads to ./skills/steno-mode/SKILL.md, ready to use.
Can I customize this skill for my team?
Absolutely. Edit the SKILL.md file to add team-specific instructions, examples, or workflows.
⚠️ Common Mistakes to Avoid
Publishing unedited drafts
AI writing needs human editing for facts, flow, and authentic voice.