humanize-en

humanize-en is a skill for Claude Code from coroboros/agent-skills. It costs 84 tokens per session (4,386 once invoked), scanned A, original, MIT.

An English editing tool that removes common signs of AI-written prose while keeping the original meaning, structure, links, code, and metadata.

In plain words
What is it for?
Use it to revise English documentation, articles, or other prose by removing promotional wording, padded transitions, vague claims, repeated patterns, and chatbot-like phrasing.
Why use it?
It makes drafts sound more direct and human without adding new opinions or changing what they say.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths; mentions Claude Code.

Part of the writing-skills plugin — 3 skills shipped together

Good fit Use it to revise English documentation, articles, or other prose by removing promotional wording, padded transitions, vague claims, repeated patterns, and chatbot-like phrasing.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/coroboros/agent-skills/humanize-en
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 coroboros/agent-skills --skill humanize-en
Clone the repo
git clone --depth 1 https://github.com/coroboros/agent-skills

Made for: Claude Code.

Or install writing-skills, the plugin that ships this one along with the rest of its 3 skills.

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 humanize-en

README.md
[![agentmods](https://agentmods.dev/badge/skills/coroboros/agent-skills/humanize-en/github.svg)](https://agentmods.dev/skills/coroboros/agent-skills/humanize-en)
Your own site
<a href="https://agentmods.dev/skills/coroboros/agent-skills/humanize-en"><img src="https://agentmods.dev/badge/skills/coroboros/agent-skills/humanize-en/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 humanize-en

Your own site · 80×15
<a href="https://agentmods.dev/skills/coroboros/agent-skills/humanize-en"><img src="https://agentmods.dev/badge/skills/coroboros/agent-skills/humanize-en.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 84 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,386 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 $0.00084 $0.04386
Opus 5 $0.00042 $0.02193
Sonnet 5 $0.00017 $0.00877
Haiku 4.5 $0.00008 $0.00439

Measured yesterday against content hash 71b0fbba9178, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

humanize-en 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 yesterday.

The scan reads SKILL.md. This mod also ships 6 executable files (scripts/__init__.py, scripts/brand_prescan.py, scripts/eval_patterns.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/humanize-en/SKILL.md · 153 lines

How it starts

The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Humanize EN

Strip AI writing tells from English prose. Preserves meaning, structure, code blocks, links, anchors, and frontmatter — rewrites only the flagged phrasing.

Additional context from the user: $ARGUMENTS

Scope

This skill removes AI slop. Default mode (no -f): the goal is a clean, direct, human-edited register that preserves the source voice — universal AI tells stripped, no opinion injected. If the source is an opinion piece and the user explicitly asks for voice, references/voice.md covers the optional voice-calibration pass.

Under -f <voice-doc>, the brand voice is the primary contract. Prescan and validation enforce mechanically detectable rules; the LLM reviews the remaining semantic rules. A mechanical clean result covers only those detectors, not every brand rule. Preserve source facts, code and quotations throughout.

Brand voice integration (optional)

When $ARGUMENTS starts with -f <voice-doc>, load a BRAND-VOICE.md (typically produced by /brand-voice) and treat its rules as the primary contract on top of the universal 32 patterns.

$SKILL_DIR = this skill's folder — ${CLAUDE_SKILL_DIR} in Claude Code, the directory containing this SKILL.md elsewhere.

Workflow:

  1. Strip -f <voice-doc> from the head of $ARGUMENTS. The remainder follows the Input modes table below as usual.
  2. Verify <voice-doc> exists and is readable. Missing explicit brand input blocks brand-aware completion; report the exact path/error instead of silently substituting universal-only success.
  3. Resolve once. Find the installed brand-voice skill through the harness, then its scripts/extract_rules.py; known fallback locations are the sibling skill and ~/.agents/skills/brand-voice or ~/.claude/skills/brand-voice. Run python3 <extract_rules.py> --resolved-json <voice-doc> > <temporary-rules.json> and read that JSON as the LLM's rule contract. It resolves voice.extends and _replace/_remove through the existing resolver. On failure, preserve stderr and stop brand-aware completion. If the resolver is absent and the voice has no inheritance, read its local YAML and use --brand <voice-doc> for both checks. Inherited input requires the resolver: report npx skills add coroboros/agent-skills --skill brand-voice, then the exact extraction and rerun commands; never claim parent coverage from child-only input.
  4. Run the brand-aware prescan: python3 "$SKILL_DIR"/scripts/prescan.py --rules-json <temporary-rules.json> <file>. Use the same resolved JSON for the LLM and both mechanical checks; do not rescan the original child path. Local-only fallback uses --brand instead. Brand hits carry source: "brand" and a rule_id alongside the 8 mechanically detectable universal patterns.
  5. Cite per source. Name each hit by source: pattern numbers for universal (#14), brand rule_ids for brand ([no-hedging-imperative], [forbidden_lexicon:game-changing], [all_caps_emphasis]). Brand rules win on direct conflict — a voice that requires em-dashes overrides pattern #14.
  6. Validate the authorized edit with python3 "$SKILL_DIR"/scripts/validate.py --rules-json <temporary-rules.json> [--baseline <pre-rewrite-hits.json>] <file> (or the local-only --brand input selected above). clean ends the mechanical pass; include semantic coverage before completion. residuals → surface and iterate within the cap; regression → repair the offending edit. Audit-only may validate a temporary proposed rewrite, leaving the target unchanged.
  7. Pseudo-tables (```text or unspecified-language fences) are scanned the same as prose under -f — see Preservation rules. Real code (```python, ```bash, etc.) stays verbatim.

Read the full file on GitHub · 153 lines

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. yesterday Changed · -1 lines · -103 tokens per session 71b0fbba9178
  2. 9d ago First seen · 154 lines · 187 tokens per session scan A c0f805289a24

Subscribe to this mod's changes

humanize-en is a skill published in the GitHub repository coroboros/agent-skills (4 stars, last pushed 2d ago), licensed MIT. It adds 84 tokens to every session and 4,386 once invoked, about $0.0004 per session on Opus 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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