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Executors & Harnesses | exo docs

exoharness.ai · 299 words · saved by 1 readers

The built-in executor runtimes, from basic to Codex, Claude Code, and Cursor.

Executors & Harnesses | exo docs Skip to content Menu Return to top Executors & Harnesses ​ A harness is an executor running on the exoharness. The exo CLI selects one with --harness : Harness What it is basic Built-in Rust executor: straightforward prompt → model → tools loop rlm Recursive-language-model experiment typescript Runs a TypeScript harness module that owns the turn loop, while Rust owns durable state codex Backs OpenAI Codex with durable exoharness sessions claude-code Backs Claude Code with durable exoharness sessions cursor Backs the Cursor SDK with durable exoharness sessions <

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