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Chanto vs Harness Kit

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

Chanto compared with Harness Kit
DetailChanto logo ChantoHarness Kit logo Harness Kit
What it doesA fast, lean coding agent for your terminal A harness-agnostic framework for AI coding tools
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Open source
PricingNot given Not given
Key features
  • Starts in 13ms and uses only 17MB peak memory
  • Works with any model: local or hosted APIs
  • Reads Claude Code and Codex settings automatically
  • Background runs on separate branches
  • Verifies work by running project checks
  • Undo function to revert changes
  • Sandbox environment for safe command execution
  • Spend limits and usage tracking
  • MCP server support and plugins
  • Scheduled runs
  • 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
What makes it different
  • Fastest coding agent: 1.5ms CPU per turn vs 4.2-145ms for other agents
  • Lowest memory footprint at 17MB peak vs up to 960MB for competitors
  • Most efficient token usage on real tasks
  • Single 20MB portable binary requiring no installation
  • 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
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)2 +2 (up) since last check16 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)820
Referring domains (Majestic)111

4 details filled in for both companies.

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