Issues

• CLAUDE_SDK_CAN_USE_TOOL_SHADOWED is a false positive for SDK MCP tools with permission_policy: 'always_ask'

  bug
  anthropics/claude-agent-sdk-typescript#521 · Filter by author IDentification-Dispatch opened on Oct 27, 2026

• query() passes a parent Claude Code session's environment to the child, including CLAUDE_CODE_ENTRYPOINT

  bugclaude-code-assisted
  anthropics/claude-agent-sdk-typescript#520 · Filter by author 634634624 opened on Oct 27, 2026
  1

• SDK sends --permission-mode default when permissionMode is omitted, overriding the user's permissions.defaultMode

  bugduplicateenhancement
  anthropics/claude-agent-sdk-typescript#519 · Filter by author brennanb2025 opened on Oct 25, 2026
  1

• Expose native Workflow selected-child cancellation through Agent SDK

  enhancement
  anthropics/claude-agent-sdk-typescript#518 · Filter by author rexbrahh opened on Oct 25, 2026

• Query type: interrupt() missing its { cancelQueued } option, and cancelAsyncMessage() undeclared

  bug
  anthropics/claude-agent-sdk-typescript#516 · Filter by author mmick66 opened on Oct 21, 2026

• canUseTool drops decision_reason_type and classifier_approvable from the can_use_tool request

  bug
  anthropics/claude-agent-sdk-typescript#515 · Filter by author juliusmarminge opened on Oct 20, 2026
  2

• [Bug] Agent loop exits without waiting for background task result

  bug
  anthropics/claude-agent-sdk-typescript#514 · Filter by author JasonYeMSFT opened on Oct 20, 2026

• Docs conflict: Agent SDK overview note vs. legal page carve-out for subscription sign-in

  documentationquestion
  anthropics/claude-agent-sdk-typescript#512 · Filter by author db-lyon opened on Oct 19, 2026

• [BUG] includePartialMessages no longer returns streamed messages from Bedrock

  bug
  anthropics/claude-agent-sdk-typescript#511 · Filter by author JefftheP opened on Oct 17, 2026

• Keep the server's original CallToolResult in tool_use_result when structuredContent is present (MCP Apps)

  enhancement
  anthropics/claude-agent-sdk-typescript#510 · Filter by author 1256048998 opened on Oct 17, 2026

• Expose skill permission grants to SDK hosts before activation

  documentationenhancement
  anthropics/claude-agent-sdk-typescript#509 · Filter by author superbiche opened on Oct 16, 2026

• [Bug] forkSession can't find sessions on Windows when dir is an 8.3 short path (realpath vs. CLI project-dir mismatch)

  bug
  anthropics/claude-agent-sdk-typescript#507 · Filter by author Ali-Al1 opened on Oct 13, 2026

• Supported no-model preflight for selected Skill bodies; clarify readFile denial semantics

  documentationenhancement
  anthropics/claude-agent-sdk-typescript#502 · Filter by author HengYangDS opened on Oct 11, 2026
  1

• Supported ownership of all Claude Code subprocesses on macOS when the SDK process is lost

  enhancementquestion
  anthropics/claude-agent-sdk-typescript#499 · Filter by author kensaku63 opened on Oct 8, 2026

• Agent SDK embedded use — can the cross-session messaging inbox be left unbound?

  documentationenhancementquestion
  anthropics/claude-agent-sdk-typescript#496 · Filter by author brett369369 opened on Oct 6, 2026

• Feature request: invocation-bound subprocess lifecycle with observed close

  enhancement
  anthropics/claude-agent-sdk-typescript#494 · Filter by author flujo-app opened on Oct 6, 2026

• Write/Edit bypasses all host permission mechanisms in both acceptEdits and default modes

  bug
  anthropics/claude-agent-sdk-typescript#493 · Filter by author adobelis opened on Oct 5, 2026

• listSessions() returns cwd: undefined when the first user message contains a large image

  bug
  anthropics/claude-agent-sdk-typescript#492 · Filter by author mantou132 opened on Oct 3, 2026

• Cross-version zod schemas crash tools/list in createSdkMcpServer (connected but zero tools)

  bugduplicate
  anthropics/claude-agent-sdk-typescript#491 · Filter by author wzm2023 opened on Oct 2, 2026

• [test] workflow hardening smoke test, please ignore

  invalid
  anthropics/claude-agent-sdk-typescript#485 · Filter by author qing-ant opened on Sep 30, 2026

• outputFormat json_schema: the StructuredOutput call surfaces as an ordinary tool_use, with nothing marking it as the SDK's own

  anthropics/claude-agent-sdk-typescript#479 · Filter by author u9g opened on Sep 25, 2026

• PreToolUse defer with two parallel tool calls defers only the last one; the first is never executed and gets no tool_result after resume

  anthropics/claude-agent-sdk-typescript#474 · Filter by author 1256048998 opened on Sep 24, 2026
  1

• createSdkMcpServer rejects calls that omit a .default() field when the app uses zod >= 4.5 ("expected nonoptional")

  anthropics/claude-agent-sdk-typescript#473 · Filter by author u9g opened on Sep 23, 2026
  1

• canUseTool has no configurable timeout and the control channel never reconnects after one fires

  anthropics/claude-agent-sdk-typescript#470 · Filter by author cmeyertons opened on Sep 22, 2026

• 0.3.277 made total_cost_usd / modelUsage session-cumulative on resume; no per-query() usage is left for hosts that meter individual turns

  bugdocumentationenhancement
  anthropics/claude-agent-sdk-typescript#469 · Filter by author thradec opened on Sep 22, 2026
  1