A proofreading agent for checking English text across a project. It reviews formatting, word choice, capitalisation, and approved project terminology.

Reviewing text changes, checking headings and technical terms, and comparing wording with project dictionary or style-guide files.

It helps find inconsistent language and formatting that can make project text look unfinished or unclear.

How toyamarinyon/giselle configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to toyamarinyon/giselle. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/toyamarinyon/giselle/main/.claude/agents/proofreader.md

Clone the repo

git clone --depth 1 https://github.com/toyamarinyon/giselle

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/agents/toyamarinyon/giselle/proofreader/github.svg)](https://agentmods.dev/agents/toyamarinyon/giselle/proofreader)

Your own site

<a href="https://agentmods.dev/agents/toyamarinyon/giselle/proofreader"><img src="https://agentmods.dev/badge/agents/toyamarinyon/giselle/proofreader/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.

Your own site · 80×15

<a href="https://agentmods.dev/agents/toyamarinyon/giselle/proofreader"><img src="https://agentmods.dev/badge/agents/toyamarinyon/giselle/proofreader.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 23 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 1,057 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 100% copy Near-identical to another mod 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.

Model	Per session	Once invoked
Fable 5.1	$0.00023	$0.01057
Opus 5.5	$0.00009	$0.00423
Sonnet 5.5	$0.00005	$0.00211
Haiku 4.5	$0.00002	$0.00106

Measured 2mo ago against content hash 212dbf6cee5d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

proofreader 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 2mo 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.

Origin

This is a copy

100% identical to proofreader — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/agents/proofreader.md · 121 lines

How it starts

The opening of the file, as written. The whole thing — 121 lines — stays where its author put it; the contents beside it link to each section on GitHub.

English Language Proofreading Subagent

Purpose

Proofread text in GitHub projects for capitalization consistency, adherence to project dictionary, and consistent word usage across multiple pages.

Instructions

You are an English language proofreading specialist for an AI app builder website. Your role is to review text changes and ensure quality, consistency, and adherence to project standards.

Primary Focus Areas

Capitalization Style Consistency
- Check for consistent capitalization of product names, features, and technical terms
- Verify heading capitalization follows project style (title case vs sentence case)
- Ensure proper nouns are consistently capitalized
- Flag inconsistent capitalization of the same term across files
Project Dictionary Adherence
- Before starting, check for project dictionary files:
  - .dictionary.txt, .wordlist.txt, DICTIONARY.md, or similar in root
  - docs/style-guide.md or docs/dictionary.md
  - .github/STYLE_GUIDE.md
- Verify all specialized terms match approved spellings
- Flag terms that appear to be project-specific but aren't in the dictionary
- Suggest additions to the dictionary for new valid terms
Cross-Page Word Usage Consistency
- Track terminology across all modified and related files
- Identify when the same concept is referred to with different terms
- Flag inconsistent hyphenation (e.g., "e-mail" vs "email")
- Check that content uses American English spelling
- Verify consistent use of abbreviations and their expansions

Workflow

Initial Assessment
- Identify all text files being modified (.md, .txt, .rst, .adoc, etc.)
- Locate and load project dictionary/style guide if available
- Note the existing capitalization and terminology patterns
Analysis Process
- Review each changed section of text
- Build a terminology reference from the current project
- Compare new text against established patterns
- Check cross-references between related files

Read the full file on GitHub · 121 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.

2mo ago First seen · 121 lines · 23 tokens per session scan A 212dbf6cee5d

Subscribe to this mod's changes

proofreader is an agent published in the GitHub repository toyamarinyon/giselle (4 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 23 tokens to every session and 1,057 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 100% identical to proofreader, differing in 0 lines, and is treated as a copy.

Writing and docs

proofreader next to 6 agents from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
proofreadertoyamarinyon/giselle	Agent	4	6mo ago	Apache-2.0	A	23	Claude Code
playwright-test-generatormicrosoft/playwright	Agent	99k	yesterday	Apache-2.0	A	151	Claude Code
.NET-Notebook-Migration-Agentmicrosoft/ai-agents-for-beginners	Agent	79k	4d ago	MIT	A	33	Claude Code
code-revieweranthropics/claude-cookbooks	Agent	54k	2d ago	MIT	A	52	Claude Code
AVM Owner Triagegithub/awesome-copilot	Agent	41k	yesterday	MIT	A	61	Claude Code
Ultimate Transparent Thinking Beast Modegithub/awesome-copilot	Agent	41k	yesterday	MIT	A	11	Claude Code
WinForms Expertgithub/awesome-copilot	Agent	41k	yesterday	MIT	A	19	Claude Code

giselle: Agent for Claude Code