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Onlay vs car-use

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

Onlay compared with car-use
DetailOnlay logo Onlaycar-use logo car-use
What it doesPublish documents for feedback, pull edits and comments back into your agent Let your AI agent read and diagnose your car over an OBD-II adapter or virtual car
StageNot given Not given
FoundedNot given Not given
Based inGB Not given
Pricing modelNot given Open source
PricingFree plan: $0, up to five active documents, documents up to 4 MB, 1 GB storage, last ten versions restorable, invite up to ten people per document. Pro plan: $10 USD per month (billed as $120 per year) or $12 USD per month (billed monthly), unlimited active documents, documents up to 16 MB, 50 GB st Not given
Key features
  • Publish HTML or Markdown files with shareable links
  • Readers can leave comments and edit text with author permission
  • Pull edits and comments back as structured data
  • MCP server for agents without file or command access
  • Custom share links with passwords and expiry dates on Pro
  • Version history with restore capability
  • Publish entire folders as sites on Pro plan
  • Connect to external APIs and embed sites on Pro
  • Reads error codes and sensor data from vehicles via OBD-II
  • Works with Claude Code, Codex and any AI agent
  • Virtual cars with real diagnostic problems for testing
  • Fleet management for cranes, excavators, generators and trucks
  • Read-only by default with explicit user control
  • Lap timing and race ECU data collection for motorsport
  • Car-to-car messaging through Agent Intercom
What makes it different
  • Documents stay active at stable links across multiple published versions
  • Works natively with AI coding agents without requiring manual context management
  • CLI does not require Node, Python or other runtime dependencies
  • Screenshots in comments are listed by ID and only fetched on request
  • Works with any AI agent that understands prompts
  • Supports both real vehicles and virtual simulation environments
  • Handles more than just cars: equipment, generators, and commercial fleets
  • Completely open source under MIT license
  • Built-in safety prevents access to critical systems like brakes and steering
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

3 details filled in for both companies.

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