infocompressor

infocompressor is a skill for Codex from OXI-717/ai-native-toolkit. It costs 39 tokens per session (2,805 once invoked), scanned A, original, MIT.

A writing skill for turning long documents into shorter, dense reference guides while keeping important details.

In plain words
What is it for?
Use it to create cheat sheets, compact technical specifications, and concise versions of lengthy documents.
Why use it?
It removes repetition and makes large amounts of information quicker to scan without losing key facts.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Use it to create cheat sheets, compact technical specifications, and concise versions of lengthy documents.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/oxi-717/ai-native-toolkit/infocompressor
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add OXI-717/ai-native-toolkit --skill infocompressor
Clone the repo
git clone --depth 1 https://github.com/OXI-717/ai-native-toolkit

Made for: Codex.

Its marketplace also offers this one on its own, as the plugin infocompressor — /plugin install infocompressor after adding the marketplace above.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for infocompressor

README.md
[![agentmods](https://agentmods.dev/badge/skills/oxi-717/ai-native-toolkit/infocompressor/github.svg)](https://agentmods.dev/skills/oxi-717/ai-native-toolkit/infocompressor)
Your own site
<a href="https://agentmods.dev/skills/oxi-717/ai-native-toolkit/infocompressor"><img src="https://agentmods.dev/badge/skills/oxi-717/ai-native-toolkit/infocompressor/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for infocompressor

Your own site · 80×15
<a href="https://agentmods.dev/skills/oxi-717/ai-native-toolkit/infocompressor"><img src="https://agentmods.dev/badge/skills/oxi-717/ai-native-toolkit/infocompressor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,805 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00039 $0.02805
Opus 5.5 $0.00016 $0.01122
Sonnet 5.5 $0.00008 $0.00561
Haiku 4.5 $0.00004 $0.00281

Measured 1mo ago against content hash b5d9f28ae2d9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

infocompressor scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/infocompressor/skills/infocompressor/SKILL.md · 465 lines

How it starts

The opening of the file, as written. The whole thing — 465 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Text Compression Skill

Transform verbose documents into dense, human-readable reference specs.

Core Principles

  • Style: Spec/reference guide — imperative, terse, scannable
  • Format: Markdown with minimal nesting
  • Redundancy: Zero. State each fact once.
  • Notation: Plain language with minimal intuitive symbols.
  • Target: 40-60% reduction for most technical documents.
  • DRY: Don't repeat. Reference existing docs instead of duplicating.
  • Progressive disclosure: Link to details, don't inline everything.

Referencing Other Documents

When information exists elsewhere, reference it — don't copy it.

Syntax:

  • @DocumentName — mention another doc in same system
  • [Label](URL) — link to external resource
  • Imperative prefix: "Read @Auth for token handling"

Patterns:

Instead of... Write...
Copying auth flow from another doc "Auth flow: Read @Authentication"
Repeating error format spec "Error format: See @APIConventions#errors"
Duplicating setup instructions "Setup: Follow @GettingStarted first"

When to reference vs inline:

Situation Action
Info exists in canonical source Reference it
Info is 1-2 lines, critical to flow Inline it
Reader needs context to proceed Inline minimum, reference full
Info changes frequently Reference (single update point)

Example:

## Create Order

Purpose: Submit new order for processing

`POST /orders`

Prerequisites: Read @Authentication for token setup

**Input:**
- items: array of {sku, qty}
- shipping: address object (see @DataTypes#address)

**Flow:**
Validate → Check inventory (@InventoryService) → Reserve → Confirm

**Errors:**
Standard error format. See @APIConventions#errors
- 400: invalid items
- 409: insufficient stock

Information Priority

Preserve in order of criticality. Never lose critical items.

Priority Category Examples
Critical Identifiers Names, IDs, versions, dates, codes
Critical Values Numbers, thresholds, percentages, limits
Critical Entities People, systems, components, orgs
High Relationships X depends on Y, A contains B
High Causality If X then Y, triggers, because
High Actions What was done, chosen, rejected
Medium Sequences Order, steps, workflows
Medium Constraints Limits, conditions, exceptions
Low Context Background, history, rationale

Read the full file on GitHub · 465 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago Changed · -3 lines · -45 tokens per session b5d9f28ae2d9
  2. 1mo ago First seen · 468 lines · 84 tokens per session scan A 89c5d43ae9d7

Subscribe to this mod's changes

infocompressor is a skill published in the GitHub repository OXI-717/ai-native-toolkit (9 stars, last pushed 20d ago), licensed MIT. It adds 39 tokens to every session and 2,805 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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