ecs
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May 19, 2026
product updateAmazon Web Services
Amazon Bedrock adds programmatic tool calling to reduce latency and token usage in multi-step workflows
Amazon Bedrock now supports programmatic tool calling (PTC), a technique that allows LLMs to generate Python code for multi-step tool orchestration rather than making sequential API calls. AWS offers three implementation paths: self-hosted Docker sandboxes on ECS, managed execution via Amazon Bedrock AgentCore Code Interpreter, and Anthropic SDK-compatible proxy integration.