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System One

By HarnessRouter · Available on HarnessRouter

Run itCompare in rankings

An open-source decision loop that compiles an environment's finite action space into typed questions and gates each choice by confidence.

30-day usageAug 22–Sep 20, 2026

Data as of September 21, 2026 · About the data

RankN/A
TokensN/A
RequestsN/A

No attributed usage rank in the 30-day window ending September 20, 2026.

Capabilities and verification

Reviewed against the HarnessRouter capability catalog on September 21, 2026. Every verified row cites its public source; rule-derived rows apply HarnessRouter's published classification rules to documented behavior. A “No public evidence” badge marks a gap in the public record, not a statement that System One lacks them.

Configuration & support

  • Other modelsNo public evidence
  • Custom instructionsDirectly verified
  • SkillsDirectly verified
  • Custom toolsDirectly verified
  • MCPDirectly verified
  • Sandbox & approvalsDirectly verified
  • SessionsDirectly verified
  • SubagentsNo public evidence

Execution & agency

  • Workspace filesNo public evidence
  • Structured actionsDirectly verified

Environment control

  • Browser controlDirectly verified
  • Computer controlNo public evidence

Observation & capture

  • Screen observationNo public evidence
  • Screenshot exportNo public evidence
  • Recording exportNo public evidence

Artifact outputs

  • DocumentsNo public evidence
  • SpreadsheetsNo public evidence
  • PresentationsNo public evidence
  • ImagesNo public evidence
  • VideoNo public evidence
  • App deploymentNo public evidence

Sources: github.com

Machine interfaces

  • Headless CLI · Stable
  • API · Stable

Run System One through HarnessRouter

API harness ID: systemone

Use it for decision tasks over a declared action space, returned through the HarnessRouter product contract.

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