ru-check

ru-check is a skill for Claude Code, Codex from talkstream/ru-text. It costs 111 tokens per session (2,599 once invoked), scanned A, original, MIT.

A full quality check for Russian text across an entire collection of documents. It reviews the text against the rules from the separate ru-text writing guide.

In plain words
What is it for?
Use it when proofreading Russian text, checking a corpus against a project writing standard, or running a required ru-text review gate.
Why use it?
It catches recurring language and style problems that can be missed when checking one passage informally.

Skill for Claude CodeCodex

Part of the ru-text plugin — 4 skills shipped together

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.

agentmods
npx agentmods add skills/talkstream/ru-text/ru-check
Any agent
npx skills add talkstream/ru-text --skill ru-check
Clone the repo
git clone --depth 1 https://github.com/talkstream/ru-text

Made for: Claude Code, Codex.

Or install ru-text, the plugin that ships this one along with the rest of its 4 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 ru-check

README.md
[![agentmods](https://agentmods.dev/badge/skills/talkstream/ru-text/ru-check.svg)](https://agentmods.dev/skills/talkstream/ru-text/ru-check)
Your own site
<a href="https://agentmods.dev/skills/talkstream/ru-text/ru-check"><img src="https://agentmods.dev/badge/skills/talkstream/ru-text/ru-check.svg" alt="Measured on agentmods" height="20"></a>
Per session 111 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,599 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00111 $0.02599
Opus 5 $0.00056 $0.01300
Sonnet 5 $0.00022 $0.00520
Haiku 4.5 $0.00011 $0.00260

Measured 3d ago against content hash 232b9dd5cbbc, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

ru-check 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 3d 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.

skills/ru-check/SKILL.md · 155 lines

How it starts

The opening of the file, as written. The whole thing — 155 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Russian Text Quality Check

Review the text provided in $ARGUMENTS (or the most recent Russian text output if no arguments) using the ru-text skill.

Where the reference files live

This skill reads the corpus that ships with the ru-text skill, which is installed alongside it. Locate that folder once, then read the named files from it:

  • Look for a directory named references whose parent directory is named ru-text, and which contains info-style.md. Every file named below sits in that folder.
  • Search with file tools, never with a shell. Glob on a pattern like **/ru-text/references/info-style.md, or whatever file search the host offers, then Read. This command has no use for a command line: Bash is on its disallowed-tools list, and hosts that do not implement that field still refuse it — measured in Claude Cowork on 12.08.2026, where an opening ls returned «Permission to use Bash has been denied» in red before the search found the corpus anyway. The call bought nothing and cost the reader a scare.
  • In Claude Code the plugin root is also available directly, which saves the search.
  • Do not guess a path. If the folder cannot be found, say so and stop — a check run against remembered rules instead of the corpus is not this command, and reporting one as the other is the failure this whole product exists to prevent.

Two depths, one command

This check runs at one of two depths. Nobody chooses a depth; these rules do.

Full — the «Check order» below, whole. Run it whenever a person asked for this check («вычитай», «прогони ru-text», a gate that names ru-text, a golden-set run) or triage escalated. An explicit request is never answered with triage.

Triage — for self-initiated runs only: you produced or encountered Russian text and are checking it out of discipline, with no instruction naming ru-text. Load three things and nothing else:

  1. The ru-text SKILL.md — its inline typography table and top stop-words. Skip if it is already in context, which on an always-on host it usually is.
  2. The «Neuroslop index» section of addenda.md: from the ## Neuroslop index heading to the next ##. Not the rest of the file — the rest is ten times the size.
  3. Section «B. Каталог стоп-слов» of info-style.md: from its ## B. heading to the next ##. Not the rest of the file.

Read the full file on GitHub · 155 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. 3d ago First seen · 155 lines · 111 tokens per session scan A 232b9dd5cbbc

Subscribe to this mod's changes

ru-check is a skill published in the GitHub repository talkstream/ru-text (222 stars, last pushed 6d ago), licensed MIT. It adds 111 tokens to every session and 2,599 once invoked, about $0.0006 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 2026-08-30.

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