kitio.aiRepo Prompt vs Semaphore
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Repo Prompt is completely free, while Semaphore is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Context Builder
- CodeMaps
- MCP and CLI agent integrations
- Multi-agent orchestration
- Reviewable handoffs
- CI pipelines and deployments
- MCP server for coding agents
- Monorepo support
- Test reports and metrics
- Self-hosted agents
- macOS and Linux machines
| Feature | Repo Prompt | Semaphore |
|---|---|---|
| Best for | Native macOS app that builds context for coding agents | Open source CI/CD service that coding agents can set up and run |
| Category | Coding | Coding |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | RepoPrompt | Semaphore |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Repo Prompt is completely free, while Semaphore is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free credits
Free
- $15 of credits per month
- 20 concurrent jobs
- 20 GB artifact egress
Ubuntu x64
$0.0075 / min (2 vCPU)
- Pay per build minute
- Larger machines cost more
macOS
$0.09 / min
- Pay per build minute
- For iOS and Mac builds
Self-hosted
$0.0025 / min
- Any machine you run
- Flat per-minute rate
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Repo Prompt
- Free and open source
- Fine control over what context agents see
- Works with MCP clients and CLI agents
- macOS only
- Classic edition is archived with no support
- Needs your own model or agent accounts
Semaphore
- Agents can configure CI from plain requests
- Free monthly credits for small projects
- Open source edition for self-hosting
- macOS minutes cost far more than Linux
- Fast support and SLAs are paid add-ons
- Cache server and registry cost $400/mo each
Which one should you choose?
Choose Repo Prompt if you want:
- Free and open source
- Fine control over what context agents see
- Works with MCP clients and CLI agents
Watch out: macos only.
Choose Semaphore if you want:
- Agents can configure CI from plain requests
- Free monthly credits for small projects
- Open source edition for self-hosting
Watch out: macos minutes cost far more than linux.
Repo Prompt vs Semaphore FAQ
What is the difference between Repo Prompt and Semaphore?
Repo Prompt: Native macOS app that builds context for coding agents. Semaphore: Open source CI/CD service that coding agents can set up and run. Both are coding tools.
Is Repo Prompt or Semaphore cheaper?
Repo Prompt is completely free, while Semaphore is freemium.
Do Repo Prompt and Semaphore have free plans?
Repo Prompt: Yes, fully free. Semaphore: Yes.
Who makes Repo Prompt?
Repo Prompt is made by RepoPrompt.
Who makes Semaphore?
Semaphore is made by Semaphore.
Which should I choose, Repo Prompt or Semaphore?
Choose Repo Prompt if you value free and open source and fine control over what context agents see. Choose Semaphore if you value agents can configure ci from plain requests and free monthly credits for small projects.