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Karada vs RetroFill

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Karada compared with RetroFill
Detail KaradaRetroFill logo RetroFill
What it doesAuto-compile APIs into Go MCP servers with 1-click plugins and unified gateway distribution Fill your GitHub contribution graph with real, backdated commits
StageNot given Not given
FoundedNot given Not given
Based inIN CA
Pricing modelFreemium Freemium
PricingHobby free forever with 5 Go MCP servers, 1 gateway, 100k requests/month, and community support. Gateway Pro $19 USD/month with 10 multiplexed gateways, enhanced gateway, encrypted secret vault, and 500k requests/month. All-Access Pro $49 USD/month with everything in Gateway Pro plus up to 100 Go MC 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.
Key features
  • Auto-compile OpenAPI, Swagger, and Postman collections into native Go MCP servers
  • Composable plugin layer: Sentry tracing, GA4 analytics, AI firewalls, rate limiting, secret vaults
  • CI/CD auto-sync keeps servers updated with zero downtime
  • Autonomous agent orchestrator (karada_agent) eliminates context bloat
  • Sub-5ms execution latency on Streamable HTTP transport
  • Spec-to-server compilation in under 2-5 minutes
  • Private MCP registry for secure tool distribution
  • 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
What makes it different
  • Complete 4-layer lifecycle eliminates need for brittle TypeScript/Python adapters and manual scaling
  • Context-aware gateway reduces token usage by 95% by routing execution server-side instead of prompt stuffing
  • Native Go performance with Streamable HTTP instead of slower runtime environments
  • One-click plugins and hot-reload without code changes or server restarts
  • 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
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)1 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)90
Citation Flow (Majestic)2513
Referring domains (Majestic)761

6 details filled in for both companies.

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