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Claude Code and AGENTS.md in 2026: Which Instruction File Actually Loads

This story is from 2026-09-25. It is preserved in the archive; the latest stories are on the live feed.

Originally published on rohitraj.tech Claude Code 2.1.277 added native AGENTS.md support on 18 September 2026 — then loaded it only when a remote feature flag came back on, so telemetry-disabled sessions and every Bedrock, Vertex and gateway user silently got nothing until 2.1.280. Here is the real…

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  1. 2026-09-25 04:43 · DEV Community — AI
    Claude Code and AGENTS.md in 2026: Which Instruction File Actually Loads

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