●MODEL — Claude Opus 4.8 improves coding, agentic, and professional work, with consistency for long-running tasks●PLATFORM — The Developer Platform adds code execution, an MCP connector, a Files API, and prompt caching up to one hour●SANDBOX — Claude Managed Agents now run in your own sandbox and connect to private MCP servers (Cloudflare/Daytona/Modal/Vercel)●MODEL — Fable 5 (1M-token context, always-on adaptive thinking) was suspended on June 12 under a US export-control directive●LINEUP — Opus 4.8, Sonnet 4.6, and Haiku 4.5 lead the lineup; pick the right one per task●MCP — Enterprise-managed MCP connectors (Okta) enable zero-touch access (Team/Enterprise beta)●MODEL — Claude Opus 4.8 improves coding, agentic, and professional work, with consistency for long-running tasks●PLATFORM — The Developer Platform adds code execution, an MCP connector, a Files API, and prompt caching up to one hour●SANDBOX — Claude Managed Agents now run in your own sandbox and connect to private MCP servers (Cloudflare/Daytona/Modal/Vercel)●MODEL — Fable 5 (1M-token context, always-on adaptive thinking) was suspended on June 12 under a US export-control directive●LINEUP — Opus 4.8, Sonnet 4.6, and Haiku 4.5 lead the lineup; pick the right one per task●MCP — Enterprise-managed MCP connectors (Okta) enable zero-touch access (Team/Enterprise beta)

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pause_turn

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Claude¹ API¹ tool-use¹ production¹

⬡ API & SDK/2026-06-22Advanced

Putting a Ceiling on the pause_turn Loop: Running Long Server Tools Safely Unattended

A production design for continuing pause_turn safely in unattended runs, where long server tools like web_search and code execution are involved. Covers branching all four stop_reason values in one loop, capping continuations and wall-clock time, and accumulating usage across paused segments.