Fill your GitHub contribution graph with real, backdated commits
WebAssembly sandbox for running untrusted Python safely
Stage
Not given
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Founded
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Based in
CA
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Pricing model
Freemium
Open source
Pricing
Free: preview and first fill up to 7 days and 20 commits. Coffee: $5 USD one-time for one 365-day window. Time Machine: $12 USD one-time for every year since you joined. Autopilot: $3.99 USD per month or $29 USD per year for streak insurance with automatic commits on missed days.
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Key features
Live preview on your real graph with no sign-in required
Realism engine with six personas and seeded rerolls
Manual painting with brushes 1–4
Gap-only mode to respect existing contributions
Text and pixel art mode on Time Machine and Autopilot
One-click undo that deletes the generated repository
Private repository support on Time Machine and Autopilot
Contribution Doctor preflight checks
Autopilot streak insurance with configurable commit frequency
Multi-repo spread up to three repositories on Time Machine and Autopilot
Full CPython 3.14 with standard library
Async callbacks from sandboxed code
No filesystem or network unless allowed
Fast startup in 1–5 milliseconds
Embed from Python, JavaScript or Rust
MCP server support
gRPC server deployment
Hosted execution over HTTP and WebSocket
What makes it different
Real, inspectable commits with no hidden activity
Realistic patterns based on developer behavior modeling
Preview before payment on your real GitHub graph
Complete undo in one click with automatic account restoration
Timezone-aware commits with proper timestamp handling
RetroFill
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