Observed arrival · 2026-08-23

UHP: A Protocol for Driving Complete Agent Harnesses

harness2harnessprotocol.com Observed source

Editorial interest 82/100 Selection signal · not a rating of the site

The Unified Harness Protocol is a draft open standard for running agent harnesses such as Codex, Claude Code, and Hermes through one interoperable HTTP interface.

Landing page captured for the 2026-08-23 issue.

Why it surfaced

UHP treats an agent task as a job rather than a single model completion, covering sessions, streaming, files, cancellation, and errors. It also publishes OpenAPI 3.1 and JSON Schema definitions alongside a 52-check conformance suite—an unusually concrete attempt to make the agent-infrastructure layer interchangeable.

The Unified Harness Protocol is a draft open standard for running agent harnesses such as Codex, Claude Code, and Hermes through one interoperable HTTP interface.

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