Source Intelligence
Sweep 28 Aug 2026 · 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.251 Feeds RSS JSON llms.txt
Reading a new release v2.1.251 Analysing changes · 2/5 Writing the entries · 2/4 steps 470 findings $18.91 so far

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

Search the documentation

4 pages for claude_async_agent_stall_timeout_ms.

Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.

Hosting the Agent SDK Claude Code CLI · in the page agent-sdk/hosting …`maxTurns` in its `AgentDefinition`. For background subagents only, `CLAUDE_ASYNC_AGENT_STALL_TIMEOUT_MS` sets a stall watchdog that fires when a `run_in_background` subagent stops producing output;… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …MEOUT_MS": "120000", "CLAUDE_CODE_MAX_RETRIES": "2", "CLAUDE_ASYNC_AGENT_STALL_TIMEOUT_MS": "120000", }, ) ``` * `API_TIMEOUT_MS`: per-request timeout on the Anthropic client, in… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …API_TIMEOUT_MS: "120000", CLAUDE_CODE_MAX_RETRIES: "2", CLAUDE_ASYNC_AGENT_STALL_TIMEOUT_MS: "120000", }, }, }); ``` * `API_TIMEOUT_MS`: per-request timeout on the Anthropic clien… Environment variables Claude Code CLI · in the page env-vars …| | `CLAUDE_ASYNC_AGENT_STALL_TIMEOUT_MS` | Stall timeout in milliseconds for background subagents. Default `600000`…