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Harness Kit vs Mira

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

Harness Kit compared with Mira
DetailHarness Kit logo Harness KitMira logo Mira
What it doesA harness-agnostic framework for AI coding tools Open-source AI code review for pull requests
StageNot given Startup
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Open source
PricingNot given Free and open source forever. Self-host the complete product for free. Users cover their own infrastructure costs and any usage billed by their chosen model provider.
Key features
  • Configure plugins, skills, MCP servers, and hooks in a single harness.yaml file
  • Observatory: monitor every session, tool call, and minute of activity
  • Memory: persistent knowledge graph for AI orientation
  • Comparator: run prompts across Claude Code, Cursor, and Copilot side by side
  • Import existing configs from multiple AI coding tools automatically
  • Share complete setup via single file with teammates
  • Harness Parity: verify all connected AI tools end up with identical configuration
  • Cross-harness compatibility table showing actual tool capabilities
  • Cross-file context analysis
  • Pull request summaries
  • GitHub, GitLab, and Forgejo support
  • Multiple deployment options
  • Bring your own model
What makes it different
  • Import-first approach: reads existing configs from all your tools and converges them before you write YAML
  • No marketing gloss: capability table generated at build time from actual adapter code, not hand-maintained
  • Portable across tools: single harness.yaml travels with you to every machine and tool
  • Open source and free: no cost beyond existing Claude subscription
  • Based on open specification: Harness Protocol is vendor-neutral and JSON Schema validated
  • Works with any model via your own API key
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)16 no change since last check7 no change since last check
Trust Flow (Majestic)02
Citation Flow (Majestic)2028
Referring domains (Majestic)1135

4 details filled in for both companies.

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