Claude Code Daily

Release: v2.1.259

## What's changed - Added `managedMcpServers` managed setting: organizations can provide HTTP/SSE MCP servers to every user (same entry shape as `.mcp.json`); entries that name a command to run are skipped - Added `--permission-prompts none` for unattended headless hosts: anythi…

Commit: chore: Update CHANGELOG.md and feed.xml

chore: Update CHANGELOG.md and feed.xml

Release: v2.1.258

## What's changed - Fixed Claude Code failing to launch on macOS 12 (Monterey), a regression introduced in 2.1.255 - Fixed remote and scheduled sessions failing with "user messages must have non-empty content" after a re-sent permission approval could not be applied

Commit: chore: Update CHANGELOG.md and feed.xml

chore: Update CHANGELOG.md and feed.xml

Release: v2.1.257

## What's changed - Added Claude Fable 5.1 (`claude-fable-5-1`), now the default Fable model — 1M context, $10/$50 per Mtok with $0.25/Mtok cache reads - Added "Time format" (`timeFormat`) and `timeZone` settings: 12-hour, 24-hour, 24-hour UTC, or a strftime pattern for the turn…

Commit: chore: Update CHANGELOG.md and feed.xml

chore: Update CHANGELOG.md and feed.xml

Release: v2.1.252

## What's changed - Fixed Bash commands failing with "task output swap refused (tasks dir moved or linked)" on some Macs - Fixed "always allow" not saving in a project that has no .claude/settings.local.json yet - Fixed Remote Control sessions hosted by Claude Desktop or VS Code…

Commit: chore: Update CHANGELOG.md and feed.xml

chore: Update CHANGELOG.md and feed.xml

Release: v2.1.251

## What's changed - Added `PreModelSwitch` and `PostModelSwitch` hook events (block, confirm, or annotate a model switch); `SessionStart` resume hooks now receive session staleness and the estimated re-cache cost - Added live streaming of a foreground subagent's tool calls and r…

Commit: chore: Update CHANGELOG.md and feed.xml

chore: Update CHANGELOG.md and feed.xml

Release: v2.1.250

## What's changed - Bug fixes and reliability improvements

Commit: chore: Update CHANGELOG.md and feed.xml

chore: Update CHANGELOG.md and feed.xml

Release: v2.1.248

## What's changed - Added `--restricted` (or `CLAUDE_CODE_RESTRICTED=1`): removes the built-in tools that run commands or code and `WebFetch` (unless named in `--tools`), keeps file tools inside the working directory, refuses `bypassPermissions`, and ignores user, project and lo…

Commit: chore: Update CHANGELOG.md and feed.xml

chore: Update CHANGELOG.md and feed.xml

Release: v2.1.247

## What's changed - Added the `SendFeedback` tool: when something goes wrong in a session, Claude can draft a feedback report for you to review and send from `/feedback` (turn off with the `feedbackDrafts` setting) - Added `{id, text, cooldownSessions, priority}` entries, `tipsF…

Introducing WeatherNext 3, our most advanced and accurate global weather AI model

NeoMME: an efficient Multimodal-native and Multilingual Encoder

Fine-tuning a 350M Model for Better Structured Outputs in 100 GRPO Steps

Give Your Coding Agents a Memory You Own

Training a coding model to paint watercolours with TRL and OpenEnv

Proactive cyber defense for governments and enterprises

Introducing Gemini 3.8 Flash and 3.8 Flash Cyber

Real-Time Intelligence with IBM Time Series Models on Confluent

ATV Big Air Tour turned 3 days of work into 3 hours with ChatGPT

ATV Big Air Tour uses ChatGPT Work to speed up marketing, merchandising, and more. It even turned merchandise photos into an inventory website in 15 minutes.

BenchMIRT: What are LLM benchmarks actually measuring?

Introducing agentic video understanding with Gemini

How AI-native companies turn workflows into operating capability

Basis, Clay, and Exa Labs use AI agents to improve onboarding, account management, and developer integrations. See what enterprise leaders can apply.

Path to Astra: critical capabilities and frontier safeguards

Astra is the first OpenAI model to meet the Critical cybersecurity capability threshold under the Preparedness Framework, with stronger safeguards for release.

Healthcare organizations can now connect EHR and additional industry data to ChatGPT

ChatGPT can now connect to trusted healthcare data, helping clinicians securely access patient context, medical research, and more.

How law firm Gilbert + Tobin governs and scales AI with OpenAI

See how Gilbert + Tobin combines CEO-led commitment, rigorous governance, and human accountability to scale ChatGPT Enterprise and Codex across the firm.

How to Build an Instagram AI Chatbot That Answers Your DMs

Article URL: https://quickchat.ai/post/instagram-ai-chatbot-answer-dms Comments URL: https://news.ycombinator.com/item?id=49553049 Points: 1 # Comments: 0

How to Build a Free Roleplay AI Chatbot That Stays in Character

Article URL: https://quickchat.ai/post/roleplay-ai-chatbot Comments URL: https://news.ycombinator.com/item?id=49553046 Points: 1 # Comments: 0

Salesforce blames its Claude addiction for denting profit margin guidance

Article URL: https://www.theregister.com/ai-and-ml/2026/09/03/salesforce-blames-its-claude-addiction-for-denting-profit-margin-guidance/5294219 Comments URL: https://news.ycombinator.com/item?id=49553029 Points: 3 # Comments: 0

I hate benchmarks: Moving a production workflow from GPT to GLM-5.3 Flash

Article URL: https://polyform.ai/news/why-i-hate-benchmarks/ Comments URL: https://news.ycombinator.com/item?id=49553022 Points: 1 # Comments: 1

Show HN: Claude's innerworkings: turn 170 costs 2.1x turn 20, over 14,640 turns

On Aug 26, this happened in my CoWork session: Tom: I can't help but think we can do some other cool stuff with this knowledge of Claude's innerworkings regarding sessions, etc. Any thing sticks out to you that I haven't captured/asked for yet? Claude: Six: the scaffolding trend…

Show HN: Engram – Shared procedural runbook memory for AI coding agents via MCP

Article URL: https://github.com/aiengram/engram Comments URL: https://news.ycombinator.com/item?id=49552882 Points: 1 # Comments: 0

Checking bags at the exit: detecting data exfiltration in AI agents

Article URL: https://yashwanthreddymali.com/blog/interlock-exfiltration-at-runtime/ Comments URL: https://news.ycombinator.com/item?id=49552847 Points: 1 # Comments: 0

Show HN: AI Cybersecurity Awareness Game for Cybersecurity Awareness Month

Hi HN, We built an interactive game about AI x Cybersecurity. It is for enterprise companies to teach their employees about the latest human risk attacks tatics. Try it out and let us know what you think! If you works at a security team and wants to run this game for your compan…

Show HN: Telemetry.dev – OpenTelemetry-native tracing for LLM apps and agents

Article URL: https://telemetry.dev/ Comments URL: https://news.ycombinator.com/item?id=49552676 Points: 1 # Comments: 0

MichiAI 530M parameters full-duplex speech LLM with ~80ms latency

Article URL: https://ketsuilabs.io/blog/natural-conversations Comments URL: https://news.ycombinator.com/item?id=49552629 Points: 2 # Comments: 0

Launch HN: Mireye (YC S26) – Infrastructure for Physical World AI Agents

Hi HN, I'm Ansh, founder of Mireye. I'm building the infrastructure AI agents use to make decisions about physical places: data, enrichment, tools, and signals for any US location, behind one API and MCP server. Here's a demo video: https://youtu.be/haqO6UbUqU0 To try it, paste…

Ollie is betting its focus on privacy can help it win the AI assistant race

The family-focused AI assistant wants access to the details of your everyday life, but says it won’t use that data to train AI models or share it with others.

Prediction: AI Will Collapse

Article URL: https://twitter.com/wordgrammer/status/2095263188153401712 Comments URL: https://news.ycombinator.com/item?id=49552347 Points: 14 # Comments: 11

Show HN: Dagic – a typed DAG language so LLM agents can compose tool calls

Article URL: https://github.com/RohitEdathil/dagic Comments URL: https://news.ycombinator.com/item?id=49552345 Points: 1 # Comments: 1

Trojan horses to AI-proof exams: how professors are tackling students' AI use

Article URL: https://www.nature.com/articles/d41586-026-02370-2 Comments URL: https://news.ycombinator.com/item?id=49552335 Points: 1 # Comments: 0