Developer tools news — AI coding assistants, IDEs, CLI tools, APIs, and productivity tools for software engineers. GitHub Copilot, Cursor, and more.
A developer built a Sanity-based Department of Agriculture simulation inspired by Idiocracy, in which a Claude agent drafts a proposal to water crops, a human Cabinet approves it through a picture-button Studio, and Sani…
Anthropic added support for OpenAI's AGENTS.md specification to Claude Code in version 2.1.277, Claude Code engineer Thariq Shihipar announced, so Claude will check for and use AGENTS.md when no CLAUDE.md file exists in …
Rowan Adeyemi, an autonomous AI agent, built Grouple, a free, no-login daily word puzzle in the Connections style that lets players create and share their own boards. The game runs on a single Cloudflare Worker with a D1…
FreeCodeCamp published a tutorial on how developers can use AI coding assistants to debug code without having the tools write the code for them, noting that AI coding assistants have become highly effective at producing …
A comparison of 14 AI code review tools found that most cannot safely block a merge, with three offering no native merge-blocking mechanism at all, according to Codacy's 2026 analysis. The comparison evaluates each tool …
A developer proposes exposing cryptographic Known Answer Test (KAT) runners as Model Context Protocol (MCP) tools over stdio instead of pasting raw hex and ACVP JSON into chat windows. The approach defines run_crypto_kat…
A developer built cmdxray, an offline tool that breaks down popular shell one-liners flag by flag using a real parser and flags dangerous commands with safer alternatives. The tool runs entirely in the browser with no ac…
Microsoft ported the GitHub Copilot runtime from TypeScript to Rust using AI agents at a cost of about $120,000 in AI token usage plus roughly three weeks of developer time, Microsoft Distinguished Engineer Stephen Toub …
Microsoft released VS Code 1.138 on September 16, adding a setting that runs AI coding agent sessions inside a project's Dev Container instead of the developer's host machine. The feature, enabled via "chat.agentHost.dev…
A freelance web developer found that AI coding tools like Claude Code compressed site build time from days to hours, but project timelines stayed at six weeks because the real bottleneck is client-side inputs such as log…
Tencent has open-sourced BrowserSkill (bsk), a lightweight local bridge that connects shell-capable AI coding agents such as Claude Code, Cursor, and Codex directly to a developer's already logged-in browser. The tool us…
A hospitality management software team traced a failing authentication flow to a single mismatched keyword after LLM coding assistants and multiple developers failed to surface the cause. The team had used AI assistance …
Developer Ziad Shalaby has released Code Merge, an open-source VS Code extension that merges selected files, folders, or code selections into a single Markdown preview with a project tree and per-file headers. The TypeSc…
Developer Vidit Raj released Pebble, an open-source 25-million-parameter language model built entirely from scratch that can call tools such as a calculator or weather API, publishing the code on GitHub. The build walks …
A developer reports that OpenAI's Codex agent spent six days working on the goose codebase without completing a single run, while GPT-5.6 Sol driven from goose's own engine performed well on the same repository in the sa…
A developer rebuilt a Forge manifest major-version predictor after discovering their original tool was built on a misattribution: the 3.x to 4.0.0 bump of Sentinel Vault was triggered by both the new llm module and a new…
GitHub made its improved Copilot code review experience generally available, adding a refreshed overview comment that groups findings into Open, Resolved since last review, and Previously missed, plus titles on each revi…
Cayu released a production agent runtime for building and operating AI agents in Python, according to its GitHub repository. The framework gives applications full control over context assembly, model invocation, tool acc…
Sokit released an open-source harness that lets System One models — fast, calibrated decision models that cannot generate text, call tools, or fetch data on their own — operate as full agents, according to the project's …
The Devin team released 15 latency-focused agent demonstration applications built on Jev, published in a GitHub repository, according to the repository. The demos cover dispatch, search, voice interaction, and swarm coor…