AI discovery: 2026/07

01.07.2026 – 31.07.2026
Product
- Anthropic releases Claude Opus 5 on July 24 at $5 input and $25 output per million tokens, and reports it within 0.5% of Fable 5 on CursorBench 3.2 at half the cost per task
- OpenAI rolls out GPT-5.6 on July 9 in three tiers, Sol, Terra and Luna, across ChatGPT, Codex and the API
- GitHub adds Claude Opus 5 to Copilot on July 24 for Pro+, Max, Business and Enterprise plans, selectable in VS Code, Visual Studio, JetBrains, Xcode, Eclipse, Copilot CLI and the cloud agent
- Copilot cloud agent for Linear becomes generally available: assign a Linear issue and the agent drafts a pull request and posts progress back
- Gemini 3.6 Flash arrives in GitHub Copilot on July 21 for coding and agentic tasks, with an admin policy to enable it for Business and Enterprise
UX/UI
- VS Code July releases (v1.127 to v1.131) add git worktree sessions for Copilot, Claude and Codex, subagent visibility and a CI-failure banner
- Stacked pull requests enter public preview on July 30, so reviewers can check each small dependent layer on its own and merge a whole stack or single layers
- GitHub Issues gets agent automation controls in public preview: agents record a reason and confidence for each change, and changes can be applied automatically or held as suggestions
Engineering
- The 2026-07-28 MCP specification drops the initialize handshake and sessions, adds
Mcp-MethodandMcp-Namerouting headers and cacheable list results, and deprecates Roots, Sampling and Logging - GitHub MCP Server already supports the new stateless MCP specification, announced on July 23 ahead of the July 28 release
- Copilot code review agent skills and MCP server connections reach general availability, with MCP tool calls limited to read-only access
- GitHub Code Quality is generally available for Enterprise Cloud and Team, combining CodeQL with AI detection, quality gates and coverage reporting at $10 per active committer per month plus usage
DevOps
- GitHub Actions gets self-repository syntax: a
uses:value starting with$/resolves to the workflow’s own repository at the running commit, with no checkout needed (runner 2.336.0 or newer) - The Xcode 27 runner image enters public preview on arm64 GitHub-hosted macOS runners, selected with the
xcode-27label - GitHub Models is retired on July 30, with GitHub pointing users to Microsoft Foundry or Copilot
Infosec
- Microsoft analyses the July 14 compromise of the @asyncapi npm packages: a
pull_request_targetworkflow led to poisoned releases with valid provenance and a payload that runs on import, so--ignore-scriptsdoes not help - Searchlight Cyber reports a pre-auth SQL injection in WordPress chained to remote code execution, found with GPT-5.6 Sol Ultra for roughly $25 of pro-rata subscription usage
- GitHub Actions now holds potentially malicious workflow runs in public repositories until a collaborator with write access approves them
- npm will scan newly published packages for malware before they can be installed, and dual-use packages must declare a
contentPolicyand aDISCLOSUREfile - npm granular access tokens that bypass 2FA will need an interactive 2FA prompt for sensitive actions, and GitHub plans to remove direct publishing from them in January 2027
Tricks & Tips
- Anthropic’s guide to prompting Claude Opus 5 says to drop explicit verification instructions, constrain scope on narrow tasks and cap subagent spawning, with Claude Code env vars for depth and concurrency
- Ploy moves a production agent from Claude Opus 4.8 to GPT-5.6 and reports 3m 42s instead of 8m per build at 27% lower cost, plus the tool-schema and prompt-caching changes it needed
- Cursor 3.11 (July 10) adds side chats via
/sideor/btwthat branch off a running agent, plus a local search index over past agent transcripts
Reddit & Twitter
- Hacker News thread on the Claude Opus 5 launch (1,700+ points, 1,300+ comments) debates a system-card example, costs and autonomy
- Hacker News thread on elevated errors on Claude Opus 5, with users reporting 529 overloads, frequent outages and mixed views on output quality
- A Hacker News post about GPT-5.6 Sol deleting most of a Mac’s files draws comments recommending guard tools such as Bubblewrap, and off-site backups
- Bottleneck Labs lets GPT-5.6 Sol run a small iOS app business for 24 hours; it spammed users and lost $447, and Hacker News argues over the prompt
OSS
- Anaconda acquires the open source coding agent Kilo Code on July 15
- OpenCode v1.18.0 (July 14) completes the Desktop v2 migration, with a setting to switch between the new and old layouts
- GitHub’s Advisory Database now ingests the OpenSSF malicious-packages repository, extending Dependabot malware alerts beyond npm