Show HN: Microsoft releases Flint, a visualization language for AI agents
Microsoft open-sources Flint, a domain-specific language for declaratively describing visualizations that an agent should generate.
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Microsoft open-sources Flint, a domain-specific language for declaratively describing visualizations that an agent should generate.
GitLost researchers show that prompt-injection in a public repo can steer GitHub's AI agent into exfiltrating secrets from private repos the agent has access to. Disclosure timeline and a hardening checklist included.
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GitLost researchers show that prompt-injection in a public repo can steer GitHub's AI agent into exfiltrating secrets from private repos the agent has access to. Disclosure timeline and a hardening checklist included.
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First-party technical posts from researchers and small labs — the actual frontier thinking.
OpenAI-related release or analysis post from Simon Willison, a leading independent GPT commentator.
Introducing Muse Spark 1.1 Following Muse Spark in April, here's Muse Spark 1.1 - the first Spark model to offer an API. Meta claim significant improvements in agentic tool calling and computer use.
LLM tooling / release post from Simon Willison's coverage.
LLM tooling / release post from Simon Willison's coverage.
Rewriting Bun in Rust Jarred Sumner has been promising this blog post (since May 9th) about his Zig to Rust rewrite of Bun for significantly longer than it took him to finish the rewrite. Honestly.
OpenAI-related release or analysis post from Simon Willison, a leading independent GPT commentator.
I just declared a moratorium against AI-written change descriptions (e.g. PR and commit messages, also issues/tickets) from my team.
This morning I released sqlite-utils 4.0, the 124th release of that project and the first major version bump since 3.0 in November 2020. In addition to some small but significant breaking changes (described in this.
Release: sqlite-migrate 0.2 The version that retires the library, instead implementing a compatibility shim against the new sqlite-utils 4.0 dependency. Tags: sqlite-utils
Tool: github-code Web Component An experimental Web Component built using GPT-5.5 and the following prompt: let's build a Web Component for embedding code from GitHub <github-code href="https://github.com/simonw/sqlite-ast/blob/437c759129154f05296324a7f82aa1246340dd14/sqlite_ast…
Release: sqlite-utils 4.0 See sqlite-utils 4.0, now with database schema migrations for details. Tags: sqlite-utils
Release: sqlite-utils 4.0rc4 The last RC before the 4.0 stable release. Mainly implements feedback from a detailed review by Claude Fable 5.
tencent/Hy3 New Apache 2.0 licensed model from Tencent in China: Hy3 is a 295B-parameter Mixture-of-Experts (MoE) model with 21B active parameters and 3.8B MTP layer parameters, developed by the Tencent Hy Team. Following the Hy3.
Release: sqlite-utils 4.0rc3 I hoped to release sqlite-utils 4.0 stable this weekend, but as I worked through the backlog of issues and PRs with a combination of Claude Fable 5 and GPT-5.5 the changelog since.
Anthropic-related release or analysis post from Simon Willison, a leading independent Claude commentator.
Release: sqlite-utils 4.0rc2 See sqlite-utils 4.0rc2, mostly written by Claude Fable (for about $149.25).
Building a World Map with only 500 bytes Iwo Kadziela (assisted by Codex) figured out a way to generate a credible ASCII world map using 445 bytes of data: The key trick is to use.
Better Models: Worse Tools Armin reports on a weird problem he ran into while hacking on Pi: The short version is that newer Claude models sometimes call Pi’s edit tool with extra, invented fields in.
Lilian Weng's synthesis of 35 papers on harness engineering for recursive self-improvement. The clearest public writeup of the field.
Open Source AI Gap Map Current AI is "a global partnership building a public option for AI", founded as a non-profit at the AI Action Summit in Paris in February 2025 and backed by serious.
I just launched my third course, Whimsical Animations, and so far, it’s on track to sell roughly ⅓ as many copies as a typical course launch. It’s a similar story with my two existing courses.
One of the most interesting tips I got from the Fireside Chat I hosted with Cat Wu and Thariq Shihipar from the Claude Code team at AIE on Wednesday was to let Fable (and to.
The June edition of my sponsors-only monthly newsletter is out. If you are a sponsor (or if you start a sponsorship now) you can access it here.
Agent-related analysis or release coverage from Simon Willison.
Agent-related analysis or release coverage from Simon Willison.
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