AHE is a closed loop in which one agent edits the harness of another while the base model stays fixed. The harness is decomposed into seven component types held as plain files: system prompt, tool descriptions, tool implementations,…
In the News: August 25, 2026 (Evening)
An evolution agent rewrote a coding harness and beat the hand-built Codex harness on Terminal-Bench 2: 69.7 to 77.0 percent in ten iterations.
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An evolve agent rewrote a coding agent's harness and beat the hand-built Codex harness
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Agents take their operating knowledge from instruction files, not API references
The study traces documentation behaviour across 557 real agentic coding sessions and 33,097 agent-authored pull requests, 94,813 development events in all. Instruction files and working notes account for 60.5 percent of the documentation…
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OpenAI deprecates the codex mcp-server command
The whole entry is three sentences: "The codex mcp-server command is now deprecated. Use the Codex app server instead.
Trigger scheduled tasks from Gmail, Slack, and GitHub events
ChatGPT scheduled tasks can now fire on GitHub pull-request activity, including reviews, comments, commit updates, and merges: a hosted trigger surface for agent runs on repository events.