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34 posts about Developer Tools from Simon Carter.
The fifth MCP spec drops stateful sessions for a request/response core, hardens OAuth/OIDC auth, and graduates MCP Apps and Tasks as versioned extensions.
Claude Code's latest release adds parameter-level permission syntax, proximity-based .claude/ directory resolution, and pre-launch safety screening for sub-agents.
Two back-to-back Copilot CLI releases fix a dangerous agentStop infinite-loop bug, tighten macOS sandbox defaults, and patch Anthropic subagent reliability.
Anthropic pulled back its planned Agent SDK credit separation on June 15, the day it was set to go live, saying it will rework the plan before any future change.
Claude Code v2.1.169 adds --safe-mode for clean troubleshooting sessions, a /cd command that preserves prompt cache, and fixes for Windows, background agents, and enterprise MCP policies.
Anthropic's Claude for Chrome extension has exited preview and is now generally available to all direct paid plan users, bringing browser automation into Claude Code.
Claude Code v2.1.158 extends Auto Mode to enterprise cloud providers via a single environment variable, for Opus 4.7 and 4.8 users.
OpenAI brings Codex to iOS and Android, letting developers monitor, approve, and steer long-running coding sessions remotely across all plans.
OpenAI ships gpt-realtime-2.1 and gpt-realtime-2.1-mini with improved reasoning, noise handling, and a 25%+ p95 latency cut across all Realtime voice models.
Anthropic ships three Claude Managed Agents platform updates giving enterprise developers more infrastructure control, runtime flexibility, and prompt-cache transparency.
Codex CLI v0.139.0 lets code mode call web search directly, including from nested JS tool calls, and fixes oneOf/allOf schema preservation for MCP tools.
Claude Code v2.1.172 ships nested sub-agents up to 5 levels deep, background job syntax, plugin search, smarter Bedrock region handling, and 30 fixes.
Google is retiring Gemini Code Assist IDE extensions and Gemini CLI for free, Pro, and Ultra users on June 18, 2026. Migration to Antigravity CLI is required.
Codex's new Developer mode gives the agent controlled CDP access to profile JavaScript, inspect network traffic, and debug live browser state.
OpenAI's latest Codex update adds guided migration from Claude Code and Claude Cowork, plus a revamped plugins screen with filters and keyboard navigation.
A weekly roundup of smaller AI product updates, release-note items, and admin changes worth tracking.
Claude's new public-beta dashboard gives MCP connector owners usage metrics, error diagnostics, and latency data — plus a direct submission flow to the connectors directory.
Five focused updates to Claude Code: mobile push notifications, /tui fullscreen mode, PR URL resume, Bedrock tier control, and project purge.
The latest Codex CLI update adds session archiving, OSC 8 hyperlinks in TUI markdown, richer MCP status, and short-lived WebSocket tokens for remote control.
Claude Code v2.1.160 cuts auto mode classifier latency, fixes Bedrock/Vertex/Foundry CI failures, and resolves Bazel, OneDrive, CJK, and voice mode bugs.
ChatGPT Plus and Pro users can now purchase additional Codex usage credits beyond their plan limits, with an auto top-up option to keep work flowing.
Claude Code's latest release adds enterprise version enforcement, a /plugin list command, hook improvements, and fixes a pile of Windows and terminal rendering issues.
Google's Gemini API now pushes notifications when batch jobs and long-running operations finish, eliminating the need to poll for status.
OpenAI has added activity insights and shareable profile cards to Codex, letting consumer ChatGPT users review and share their usage highlights.
Claude Code renames its dynamic-workflow trigger to 'ultracode', fixes a Bash parallel batch bug, tidies the MCP panel, and adds OTEL resource-attribute labels.
Claude Code gains filesystem-first plugin loading from .claude/skills, a scaffolding command, autocomplete, and hot-reload — no marketplace needed.
Codex CLI 0.137.0 closes three command-safety gaps and adds an alpha Windows elevated sandbox provisioning path for admins.
GitHub's standalone Copilot app brings a unified dashboard for managing multiple AI agent sessions, with Agent Merge, sandboxing, and an SDK now GA.
GitHub Copilot replaced flat premium request units with token-based AI Credits on June 1, 2026. Here's what changed and who it affects most.
Google's Antigravity 2.0 ships as a standalone desktop app with multi-agent orchestration, subagent teamwork preview, and direct Google Cloud enterprise integration.
Google's new Managed Agents API provisions a Gemini-powered agent inside an isolated Linux sandbox in a single API call — no infrastructure required.
Anthropic has acquired Stainless, the startup behind every official Claude SDK and MCP server generator, in a deal reportedly worth over $300M.
OpenAI releases three purpose-built voice models in its Realtime API, bringing GPT-5-class reasoning, live translation, and streaming transcription to developers.
Anthropic's Claude Code now integrates with Slack, letting teams trigger full coding sessions from chat threads and receive completed PRs without leaving the app.