{"date":"2026-09-28","title":"What happened in AI — Sep 28, 2026","generated_at":"2026-09-28T21:11:33Z","intro":["Agent infrastructure dominated: Cloudflare shipped an agent-first CLI and a WebMCP browser, while Gemini Managed Agents moved secret handling out of the sandbox.","Claude Sonnet 5.5 landed on AWS, and DeepSeek disclosed details of its V4.1 agent training."],"highlights":["Cloudflare launches `cf`, a CLI covering its whole API, and open-sources the Forge SDK generator.","Gemini Managed Agents inject credentials via an egress proxy, keeping secrets out of the sandbox.","Kitesurf agent browser adds WebMCP support.","Claude Sonnet 5.5 is now on Amazon Bedrock.","Databricks adds full-text and vector search to Lakebase Postgres."],"article_count":28,"categories":[{"name":"Agent Tooling Gets Agent-Facing Interfaces","slug":"agent-tooling-agent-facing-interfaces","summary":"Vendors are shipping surfaces built for agents to call directly: a full-API CLI, a WebMCP-capable browser, and managed synthetic monitoring.","articles":[{"title":"Introducing cf: the agentic CLI for the entire Cloudflare API","summary":"Cloudflare's new `cf` CLI mirrors the entire Cloudflare API with programmatic TypeScript config; the Forge SDK generator behind it is open-sourced.","source":"cloudflare_blog","url":"https://blog.cloudflare.com/cloudflare-cf-cli-launch/","published":"Mon, 28 Sep 2026 14:50:37 GMT"},{"title":"The road to the agentic browser: A Kitesurf update","summary":"Kitesurf, Cloudflare's Workers-based agent browser, adds WebMCP support and terminal rendering, with 730,000+ Web Platform subtests passing.","source":"cloudflare_blog","url":"https://blog.cloudflare.com/kitesurf-update/","published":"Mon, 28 Sep 2026 13:00:00 GMT"},{"title":"Implementing synthetic monitoring using Amazon Nova Act","summary":"AWS shows an architecture for user-journey synthetic monitoring driven by Nova Act agents on Bedrock AgentCore.","source":"aws_ml_blog","url":"https://aws.amazon.com/blogs/machine-learning/implementing-synthetic-monitoring-using-amazon-nova-act/","published":"Mon, 28 Sep 2026 15:56:32 +0000"},{"title":"Presentation: From Consumers to Builders: Turning 200 of our Team into Agent Creators in 2 Weeks","summary":"Forter's talk covers moving 200 staff to building agents in 2 weeks using custom MCP servers and mixed no-code/code platforms.","source":"infoq_ai_ml","url":"https://www.infoq.com/presentations/building-internal-ai-agents/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=AI%2C+ML+%26+Data+Engineering","published":"Mon, 28 Sep 2026 11:00:00 GMT"}]},{"name":"Agent Security: Secrets and Visibility","slug":"agent-security-secrets-visibility","summary":"Two releases target the same gap: keeping credentials and network activity outside the agent's own trust boundary.","articles":[{"title":"Credentials API for Gemini Managed Agents","summary":"Gemini Managed Agents store secrets once by ID; an egress proxy injects them on the wire so they never enter the agent sandbox.","source":"philschmid","url":"https://www.philschmid.de/managed-agents-credentials","published":"Mon, 28 Sep 2026 00:00:00 GMT"},{"title":"Flowlight – open-source network visibility for AI agents on macOS","summary":"Flowlight is an open-source macOS tool that shows what network traffic AI agents generate.","source":"hackernews_ai","url":"https://flowlight.xinbetween.com/","published":"Mon, 28 Sep 2026 04:46:27 +0000"}]},{"name":"Evals and QA Without Hand-Written Tests","slug":"evals-qa-without-hand-written-tests","summary":"New open-source projects push testing beyond hand-written suites: a deterministic QA CLI and a domain benchmark for agents.","articles":[{"title":"Show HN: Assay – a QA CLI that finds bugs with no LLM and no tests written","summary":"Assay is a QA CLI that finds bugs with no LLM and no written tests or baseline.","source":"hackernews_ai","url":"https://github.com/awss1i/assay","published":"Mon, 28 Sep 2026 16:09:31 +0000"},{"title":"Show HN: FAB – A benchmark for AI agents doing financial due diligence","summary":"FAB benchmarks agents on financial due-diligence work, built by ex-EY practitioners.","source":"hackernews_ai","url":"https://github.com/SecondState-ai/finance-agents-benchmark","published":"Mon, 28 Sep 2026 06:34:40 +0000"}]},{"name":"Data Infrastructure for Agent Workloads","slug":"data-infrastructure-agent-workloads","summary":"Databases are adding search and integrity features aimed at agent-driven access patterns.","articles":[{"title":"Lakebase Search: State-of-the-art full text and vector search for Postgres","summary":"Databricks' Lakebase Search adds full-text and vector search to Postgres, arguing OLTP systems weren't built for agent search demands.","source":"databricks_blog","url":"https://www.databricks.com/blog/lakebase-search-state-art-full-text-and-vector-search-postgres","published":"Mon, 28 Sep 2026 20:04:33 GMT"},{"title":"AWS Introduces Foreign Key Constraints in Aurora DSQL","summary":"Aurora DSQL now enforces foreign keys, including CASCADE and SET NULL actions, so referential integrity lives in the database.","source":"infoq_ai_ml","url":"https://www.infoq.com/news/2026/09/aurora-dsql-foreign-keys/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=AI%2C+ML+%26+Data+Engineering","published":"Mon, 28 Sep 2026 04:54:00 GMT"}]},{"name":"Models and Open-Weight Shifts","slug":"models-open-weight-shifts","summary":"Claude Sonnet 5.5 reaches AWS while DeepSeek shows more of its agent-training stack.","articles":[{"title":"Introducing Claude Sonnet 5.5 on AWS","summary":"Claude Sonnet 5.5 is available on Amazon Bedrock and Claude Platform on AWS, pitched at lower cost per task and faster coding work.","source":"aws_ml_blog","url":"https://aws.amazon.com/blogs/machine-learning/introducing-claude-sonnet-5-5-on-aws/","published":"Mon, 28 Sep 2026 18:57:13 +0000"},{"title":"DeepSeek Unveils New Paper: First Public Reveal of V4.1 Agent Training \"Headquarters\" Led by Signatory Liang Wenfeng","summary":"DeepSeek's new paper gives the first public look at the agent-training setup behind V4.1.","source":"search_cn_open_weight_labs","publisher_name":"eu.36kr.com","publisher_domain":"eu.36kr.com","url":"https://news.google.com/rss/articles/CBMiU0FVX3lxTE5YRlA4ak40dEI3blpYTE1fVEVNT0R3aWFIdFlYTEZrTlo0V09EOGdkSVVTZVU2d1FYMEQyekE1LVZRb3lXVnNFLTZZeE92YlR3Umk4?oc=5","published":"Mon, 28 Sep 2026 04:00:50 GMT"},{"title":"DeepSeek Harness Desktop Preview: Electron Packages on Win and Mac","summary":"DeepSeek's Harness agent tool has a desktop preview, packaged in Electron for Windows and Mac.","source":"search_cn_open_weight_labs","publisher_name":"Pandaily","publisher_domain":"pandaily.com","url":"https://news.google.com/rss/articles/CBMihAFBVV95cUxQVl9PNUI3Q2tLWDBpeHFTdURJcHdMTnBQMmdQRGs0V0lOODFKUzlac291eXdrYXN3clhlRjhKN3Q3S09SNWxVaW1fSDdERHZHVkw1ZWZLSnFLM3ZQSktEX0JGeFZaNVNZM2F3SXMxZnF2dXpLbW9sSzB1V0pNOFRtMS1kTWg?oc=5","published":"Mon, 28 Sep 2026 07:43:26 GMT"}]}]}