AI English Coach · Built for RU/KZ

Stop repeating the same English mistakes.

RunDrill isn't a typical language app. It's a smart add-on that turns AI assistants like Claude into your personal English coach. It remembers your weak spots and drills them until your work messages and speaking get cleaner.

Start fixing mistakes See what you will learn

Free in Claude, Codex, and Antigravity · No API key required.

154 topics to route practice

107 / 123 Kazakhstan in EF EPI 2025

5 goals work · travel · media · exam · talk

How it works

Your weak spots become the lesson.

Unlike standard AI chats that just correct your text and forget, RunDrill identifies the underlying grammatical pattern of your mistake, saves it to your profile, and generates targeted exercises for you to practice.

Fix recurring patterns

Articles, prepositions, and tense choices that you consistently get wrong are drilled until they become natural.

Native language support

Complex grammar concepts are explained in Russian or Kazakh, saving you time and frustration.

Contextual practice

Practice writing actual work emails, preparing for interviews, or simulating daily conversations.

Trackable progress

Always know your current CEFR level, tracked weak spots, and mastered topics without taking a generic placement test.

What you will learn

English that removes blockers.

We don't teach you colors and animals. RunDrill focuses on practical communication skills needed to confidently write messages, speak in meetings, and avoid common native language transfer errors.

A118 basics

A236 building blocks

B148 fluency topics

B243 work topics

C19 polish topics

A1-A2054

Solidify the basics

Master sentence structure, questions, negations, and the tricky third-person 's' that often slips away in conversation.

B1154

Overcome RU/KZ transfer

Fix common false friends and translated phrasing (e.g., "I feel myself well", "magazine" instead of "shop").

B2134

Professional communication

Learn to clarify points, interrupt politely in meetings, disagree professionally, and write concise emails.

C1148

Advanced refinement

Rewrite and polish your texts, use advanced vocabulary naturally, and eliminate subtle structural errors.

Your first session

Start practicing immediately.

No tedious 50-question placement tests. Just provide a short sample of your writing or let the coach ask you a question. It determines your level instantly and jumps straight into a relevant drill.

1. Choose explanation language

Opt for Russian or Kazakh for clear, understandable explanations of complex grammar rules.

2. Provide a short sample

Two to four sentences of a real email or message are enough for the coach to analyze your skills.

3. Get your CEFR band

The coach accurately evaluates your active production skills, not just your ability to guess multiple-choice answers.

4. Drill a specific weakness

Leave your first session with one identified weak spot saved to your profile and a completed targeted exercise.

Getting started

Install your AI English Coach.

RunDrill connects directly to your existing AI workspace. Install the add-on into Claude or another supported assistant, run the /english-coach command, and sign in once to sync your progress forever.

Type these into Claude Code or Claude Desktop:

# add the RunDrill language marketplace
/plugin marketplace add rundrill/rundrill-lang
/plugin install rundrill-english@rundrill-lang

# then start coaching
/english-coach

Add the marketplace, then install rundrill-english from the plugin directory:

codex plugin marketplace add rundrill/rundrill-lang

Drop the course plugin into a global or workspace plugin folder:

# global
~/.gemini/config/plugins/rundrill-english/

# workspace
<workspace>/.agents/plugins/rundrill-english/

Any MCP client can connect to the RunDrill language server:

{
  "mcpServers": {
    "rundrill-english": {
      "type": "http",
      "url": "https://mcp.rundrill.com/lang/english"
    }
  }
}

Fit

Use it when mistakes repeat.

This is for people who already use AI for English, but still see the same mistakes in messages, calls, and writing.

Why not just ask an AI?

Do that for one-off questions. Use RunDrill when you want the same mistake to come back as practice.

Is this for beginners?

Yes. Beginners get short prompts, native-language support, and simple production tasks.

Is this exam prep?

This page is general English. IELTS, TOEFL, and Cambridge need separate exam tracks.