# Amazon — How Postman runs Agent Mode for 40 million developers on Amazon Bedrock

- Company: Amazon (amazon.com)
- Announced: 2026-10-09T15:35:02+00:00
- Category: not stated
- Coverage: not counted
- Announcement: no
- Group: routine
- Source: https://aws.amazon.com/blogs/machine-learning/how-postman-runs-agent-mode-for-40-million-developers-on-amazon-bedrock/
- Record: https://forck.live/items/18763-how-postman-runs-agent-mode-for-40-million-developers-on-amazon-bedrock
- Subject: Bedrock / Nova

Postman built Agent Mode, an AI-native interface for API testing and documentation, using Amazon Bedrock for model flexibility and inference. The team found that controlling tool sprawl and treating context as the primary bottleneck were key challenges. They dynamically scope tools per task, decouple tools from UI state, and use Amazon Bedrock Guardrails for PII redaction.

## Evidence

Verbatim from https://aws.amazon.com/blogs/machine-learning/how-postman-runs-agent-mode-for-40-million-developers-on-amazon-bedrock/:

> Past a certain toolset size, exposing more tools can reduce agent effectiveness. The current architecture selects tools based on need and context and isolates individual execution threads.

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