Anthropic's Claude Fable 5.1 API now rejects requests when prior conversation turns are modified, unless the `prefix_mismatch_behavior` is set to `"drop_block"`, a change enforced by default for new a…
Matt Pocock, a developer and educator, has released a set of AI coding agent skills designed to help engineers use tools like Claude Code and Codex for real engineering work, addressing common failure…
OpenClaw 2.0, released on August 31, introduces multiplayer AI agent sessions, allowing multiple users to collaborate in real time on a single live agent session with granular permissions, and rebuild…
Superagent, a free and open-source Mac app for coding agents, launched with MIT licensing and Apple notarization, offering a real browser, an iPhone simulator, and persistent chats that work with Clau…
A developer's hands-on comparison of three AI coding agents found Anthropic's Claude Code excels at complex refactors, open-source Opencode offers deeper terminal integration, and Kiro delivers faster…
RuntimeWire opened a private beta for Gateway on September 1st, a product that lets companies govern AI models used through employees' existing AI clients and coding tools without forcing a new interf…
Anthropic released Claude Fable 5.1 on September 1, cutting cache read costs by 75% from $1.00 to $0.25 per million tokens, and also released Claude Mythos 5.1 with restricted safety guardrails for cy…
A developer who built a project-memory system for coding assistants tested it against Claude Code's built-in memory and found they serve different purposes. The built-in memory is bound to the vendor'…
Developer kosmrljt released dev-sandbox, a single bash script that isolates AI coding agents such as Claude Code and Google's Antigravity in Podman containers, optionally using krun microVMs for stron…
Anthropic launched Claude Fable 5.1 and Claude Mythos 5.1, with Fable 5.1 priced an estimated 25% less than Fable 5 for typical token-billed workloads and up to 45% less for highly agentic workloads d…
A developer detailed a five-month project in which Claude Code, Anthropic's AI coding assistant, built its own tooling across a fleet of machines to manage a bike workshop's 20-year-old classic ASP bo…
Despite decades of attempts, personal assistant AI has repeatedly failed to scale, but the rise of coding agents like Anthropic's Claude Code and the viral OpenClaw project suggest the technology may …
Anthropic launched Claude Fable 5.1 and Claude Mythos 5.1, claiming they are the world's most advanced models for coding and knowledge work, with Fable 5.1 available to everyone and Mythos 5.1 limited…
API Delta Manifest (ADM) v1 defines a structured JSON format for API providers to publish machine-readable changelogs, enabling AI coding agents and developers to parse, filter, and act on API changes…
A Hacker News user, mukeshkg, is seeking interviews with data analysts and data scientists about their experiences using coding agents such as Claude Code and Codex, indicating potential usability cha…
Anthropic announced Enterprise Frontier Safeguards (EFS), a solution combining zero data retention with misuse detection safeguards, storing data in customer-controlled cloud infrastructure. Developed…
A security researcher found that AI coding agents, including Claude Code, Goose, Grok Build, Hermes, and Qwen Code, run git commands in the background without sanitizing the repository's own configura…
Simon Willison released a new GeoJSON Map Viewer tool that displays GeoJSON files on a map and exports them as PNG images, built with assistance from GPT-5.6-Sol, Claude Code for web, and Fable 5.1. T…
An analysis of the Claude Code 2.1.257 binary reveals a new 'Fable 5.1 prompt bundle' capability assigned to Anthropic's Fable 5.1 and Mythos 5.1 models, which share the same underlying model. The bun…
Anthropic's Claude Code 2.1.233 or later enables developers to bundle a bash script and a SKILL.md file into a project-level skill, such as the /preflight command, which runs pre-PR checks and allows …