#tool-use
2 posts tagged with "tool-use".
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The Agent's Action Space Became a Training Variable
• 5 min readJune 2026 research stopped treating an agent's skills and tools as a fixed library and started co-optimizing them with the policy via RL.
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Code Is the Action Space Now
• 6 min readFrameworks are quietly replacing JSON tool calls with generated code. That collapses turns and tokens — and pushes isolation down to the single call.