Tag: agents
All the articles with the tag "agents".
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Building an Autonomous AI News Agent on Step Functions and AgentCore
A daily pipeline that fetches 24 RSS feeds, dedups across sources, categorizes into nine fixed buckets, tracks story threads across days, and writes a digest with no human in the loop. What broke, what the real timeout ceiling turned out to be, and why the shape changed twice before it worked.
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MCP Became Stateless: Migrating a Real AgentCore Gateway
MCP 2026-07-28 removes protocol sessions from remote calls. Here is what changed in a working AgentCore WebSearch gateway, what stayed untouched, and how to migrate without breaking older clients.
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Open Data Wasn't Missing. The Interface Was.
A 12-domain benchmark and Sentinel-2 experiment show where the Registry of Open Data MCP server works, where search fails, and what the interface unlocks.
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Does Graphify Actually Help an AI Coding Agent?
A code graph earns trust only when it beats disciplined source search on a correct, source-backed task.
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Prompt Caching Is a Harness Design Problem, Not Just an API Toggle
A 186-request test shows why cache savings depend on stable tools, deterministic prefixes, deliberate breakpoints, routing keys, and measurement inside the agent harness.
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Building AI Voice Agents with Amazon Nova Sonic and LiveKit: Patterns, Architecture, and a RAG Latency Surprise
Patterns that held up across a series of Nova 2 Sonic + LiveKit voice agents, a telephony architecture that took a real phone call, and a latency finding that contradicts the standard advice on voice RAG.
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Four Tools, One Loop: The AgentCore Knowledge Worker
An agent that only calls APIs hits a wall when the answer lives in a rendered page, a computation, or last month's session. I wired a four-tool loop inside an AgentCore Runtime — search, browser, Code Interpreter, Memory — and ran it live. The prescriptive prompt is the product surface; the infrastructure is fixed.
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AgentCore Browser: A Managed, Isolated Browser an Agent Can Drive
Some tasks only exist on a screen. The reflex is to run Playwright on a box. AgentCore Browser is the managed alternative: a per-session, isolated Chromium you drive over CDP, with session isolation, live-view human takeover, and replay-to-S3 audit built in. Here's what the primitive is, how you reach it, and the ceiling it doesn't cross.