Engineers are shifting focus from model selection to harness engineering—the design of prompts, tools, and scaffolding around AI models—after observing that a decent model with a great harness outperf…
OpenAI's Codex team revealed during a Reddit AMA on July 10 that Codex now has over five million weekly users, doubling in three months, and shipped 150 features in that period. The team recommended G…
Cloudflare introduced temporary accounts that let AI agents deploy Workers without authentication, with deployments expiring after 60 minutes unless claimed by a human. The feature aims to remove auto…
OpenAI's ChatGPT Work separates cloud and desktop contexts, creating a discontinuous user experience that Simon Willison highlighted as a design honesty. A recent paper on AI agents identifies "behavi…
Meta released Muse Spark 1.1, a new AI model, along with an evaluation report. Developer Simon Willison created a plugin for the LLM tool to provide CLI and Python library access to the model.…
Simon Willison released llm-meta-ai 0.1, a new tool for AI development, on July 9, 2026. The software is designed to enhance large language model workflows.…
Simon Willison released version 0.31.1 of his LLM tool on July 9, 2026, a command-line utility for interacting with large language models. The update includes bug fixes and improvements for developers…
A developer built agentproto, a daemon and CLI that unifies the lifecycle of multiple AI coding agents—Claude Code, Codex, Hermes, opencode, and Mastra—under a single interface with durable supervisio…
Anthropic's Claude Fable 5, its most intelligent model, is free for paid plan users until July 12, 2026. The model scores 80.3% on SWE-bench Pro and features 1M-token context with no long-context surc…
Anthropic launched Claude Fable 5 and Mythos 5 in June, then faced a US government export control directive suspending access by foreign nationals before the controls were lifted and the models were r…
Security researchers at Noma Security demonstrated the GitLost exploit, which uses indirect prompt injection to trick GitHub Agentic Workflows into exfiltrating private repository data through public …
Voidx, a new agent-and-git-first remote sandbox dev environment, launched to provide a secure, cross-device platform for running coding agents in cloud VMs. The tool integrates OpenAI's Codex and supp…
Simon Willison built an experimental Web Component called github-code using GPT-5.5 that embeds code from GitHub by fetching raw content and displaying a specified range of lines with line numbers but…
Simon Willison released sqlite-utils 4.0, a Python library for manipulating SQLite databases, now featuring built-in schema migration support. The release follows a release candidate that was largely …
A new AI compass tool classifies individuals into 30 AI archetypes, including sceptic, Luddite, and prophet, each with a patron saint. The author identifies as 'The True Believer' with patron saint Am…
Databricks launched Omnigent, an open source meta-harness for AI agents that introduces contextual policies to track session history and govern agent actions based on accumulated risk, spending, or be…
Simon Willison released sqlite-utils 4.0rc3, a release candidate for the 4.0 stable version, which introduces support for compound foreign keys and case-insensitive column name matching. The release w…
Sqlite-utils 4.0rc2 is now available, with most of its code written by AI assistant Claude Fable for about $149.25. The release fixes critical bugs found during a final review, including a data loss i…
Sqlite-utils 4.0rc2 was released on July 5, 2026, with most of the code written by Claude Fable for approximately $149.25. The release was announced by Simon Willison, who also offered a curated email…
Simon Willison used Claude Fable to prepare a release of sqlite-utils, finding bugs and improving documentation, but the key insight was the ordinary scaffolding—transcripts, changelogs, cost accounti…