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Card 276 of 9982026-08-29 issue

Observed arrival · 2026-08-29

e makes the agent loop visible

eharness.dev Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

A native agent harness that runs models and tools locally, then exposes each step through a compact desktop interface.

Landing page captured for the 2026-08-29 issue.

Field notes

The harness separates model providers, local tools, skills, plugins, and MCP servers into distinct extension surfaces. Skills can be loaded from Markdown files, while JavaScript plugins and external MCP tools can be dropped into project or global directories. The documented run limit is 25 steps, and the site says Git tasks receive isolated app-managed worktrees by default.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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eharness.dev

Landing page observed 2026-08-29. The live site may have changed.