CodeTrain
CodeTrain is a local‑first, hands-on AI coding tutor that teaches developers by guiding them to write code in their own codebase step by step. It runs an agent on your machine, offers sandbox or repo modes, and provides team features (dashboards, onboarding journeys, SSO/SCIM, self‑host) for companies.
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Quick Overview
Best for: Coding
What it does
Coding software for decision-makers comparing workflow fit and alternatives.
Best fit
Coding
Pricing snapshot
Freemium from $0
Next step
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CodeTrain
CodeTrain is a local-first, hands-on tutor that teaches developers by making them type each line of code against their real codebase rather than supplying answers. It offers two primary modes: repo mode (edits land in your real branch) and sandbox mode (throwaway lessons). The system runs an agent locally (served on 127.0.0.1) so code stays on the developer's machine; managed plans send only short prompt snippets, and customers may use Bring-Your-Own-Key (Anthropic or Bedrock) so model calls go directly to their account. The product is aimed at individual developers and engineering teams, with team features such as onboarding journeys, dashboards, and enterprise options including SSO/SCIM, audit logs, and self-host/VPC.
A hands-on AI coding trainer that teaches developers on their own codebase, one small step at a time. AI writes the code. CodeTrain makes sure your engineers still understand it, and proves it.
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Claim this listing for $29Key Features
Socratic tutor
An interactive tutor that breaks work into tiny steps, asks questions, nudges with hints, reviews what the developer wrote, runs tests, and avoids handing the final solution.
Repo mode and Sandbox mode
Repo mode applies edits to real branches so finished code integrates into the workflow; sandbox mode creates throwaway lessons based on provided code or prompts.
Local-first agent
An agent runs on 127.0.0.1 so the core tutor and the codebase remain local; on managed plans only small prompt snippets are sent off‑host.
Stepwise, production-focused lessons
Lessons are broken into tiny, type-every-line steps in a real editor with an instant Run button; failing code is used as a teaching moment.
Personal progress and spaced repetition
A small local profile tracks level, streaks, and recurring gaps, resurfacing concepts later; Pro syncs the profile across devices.
Team & enterprise features
Team dashboard for usage and progress, per-seat budgets, onboarding journeys, SSO/SCIM, audit logs, VPC/self-host options and SOC 2 for Enterprise.
Bring-your-own-key (BYOK)
Option to connect an Anthropic or Bedrock API key so model calls go directly to your account for security and cost control.
Pricing
Core tutor is free and open-source: sandbox mode with 10 sessions/month, local profile and streaks; no card required.
Free
$0- Sandbox mode
- 10 sessions / month
- Local profile + streaks
- Open-source skill
Pro
From $24 / mo- Repo mode (real repos)
- Fair-use sessions, zero setup
- Cross-device profile sync
- Optional bring-your-own-key
Team
$32 / seat / mo- Everything in Pro
- Onboarding journeys (early access)
- Team usage & progress dashboard
- Per-seat budgets + central billing
Enterprise
Custom- SSO / SCIM, audit logs
- VPC / self-host, SOC 2
- Code never leaves your environment
- Onboarding-ROI pricing (talk to sales)
Use Cases
New-hire onboarding
Configure a repo, standards, and a safe first task and run each new hire through an interactive journey to deliver an early win and ramp faster.
Skill retention & understanding
Ensure engineers actually understand the code they ship by forcing hands-on production of code and tracking what concepts they missed.
Developer training on real codebases
Teach developers on your own patterns, standards, and gotchas instead of generic exercises, using sandbox mode for safe experimentation.
Team performance & budgeting
Monitor who has completed lessons and concepts, control spend with per-seat budgets, and standardize training across teams.
Integrations
Anthropic (BYO key)
Connect your Anthropic API key so model calls go directly to your account.
AWS Bedrock (BYO key)
Option to connect a Bedrock API key so model calls go through your account.
GitHub
The free skill and agent are available on GitHub (the page states 'grab it on GitHub').
SSO / SCIM
Enterprise identity integrations for single sign-on and user provisioning.
Benefits
Limitations
Frequently Asked Questions
Does my code get uploaded anywhere?
Isn't this just ChatGPT explaining my code?
We already use Copilot / Cursor. Why this too?
What does 'bring your own key' mean?
Is there really a free version?
Getting Started
- 1 Start free: create an account and run the free open-source skill (no credit card required).
- 2 Point CodeTrain at your repo or choose sandbox mode to create a lesson/session.
- 3 Run a lesson: follow the stepwise tutor in your editor, type each line, use the instant Run button, and iterate; upgrade to Pro/Team for repo mode, profile sync, and team features as needed.
Support
Product feedback and questions: [email protected]
sales/demo
Talk to sales or book a team demo via the site ('Talk to sales', 'Book a team demo').
docs/FAQ
FAQ and product info are available on the website.
open source / GitHub
The free skill is open-source and available on GitHub (page states 'grab it on GitHub').
API
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