Issues

• Forking a compacted session leaves preserved-message references pointing to source UUIDs

  bug
  anthropics/claude-agent-sdk-python#1419 · Filter by author salma2vec opened on Oct 20, 2026
  1

• get_session_messages() drops the messages a compaction kept verbatim

  bug
  anthropics/claude-agent-sdk-python#1411 · Filter by author Somay-kousis opened on Oct 18, 2026

• Project directory key differs from the CLI when the cwd contains a character outside the BMP (emoji)

  buggood first issue
  anthropics/claude-agent-sdk-python#1409 · Filter by author sebxt opened on Oct 18, 2026

• Python[Bug]: UserMessage drops session_id that the CLI sends on user messages

  bug
  anthropics/claude-agent-sdk-python#1402 · Filter by author Leela0o5 opened on Oct 17, 2026

• list_sessions() drops sessions whose first prompt is only an image or document

  bug
  anthropics/claude-agent-sdk-python#1399 · Filter by author Somay-kousis opened on Oct 17, 2026

• CLIJSONDecodeError cannot be pickled or copied, breaking ProcessPoolExecutor

  buggood first issue
  anthropics/claude-agent-sdk-python#1394 · Filter by author hyeonsang010716 opened on Oct 16, 2026

• skills option narrows unset setting_sources to user,project, dropping settings.local.json

  bugdocumentation
  anthropics/claude-agent-sdk-python#1393 · Filter by author Somay-kousis opened on Oct 16, 2026

• list_sessions() reports injected context like <system-reminder> as the session's first prompt

  bug
  anthropics/claude-agent-sdk-python#1390 · Filter by author Somay-kousis opened on Oct 15, 2026

• continue_conversation with a session_store continues a local session the store doesn't have

  bug
  anthropics/claude-agent-sdk-python#1387 · Filter by author Somay-kousis opened on Oct 14, 2026

• Lazy-load mcp to cut import claude_agent_sdk from ~1 s to ~0.1 s

  claude-code-assistedenhancement
  anthropics/claude-agent-sdk-python#1386 · Filter by author jayzuccarelli opened on Oct 14, 2026

• query(): closing the iterator early leaves the CLI process running (inner process_query generator is never closed)

  bug
  anthropics/claude-agent-sdk-python#1377 · Filter by author DallanQ opened on Oct 12, 2026
  2

• Validate tools, allowed_tools and disallowed_tools entries the way #1145 validates skill names

  enhancement
  anthropics/claude-agent-sdk-python#1374 · Filter by author timhaines opened on Oct 12, 2026

• run_end_ceiling_ms falls back to the default for CLI-compatible 1e6 values

  buggood first issue
  anthropics/claude-agent-sdk-python#1359 · Filter by author sigley opened on Oct 6, 2026
  1

• Session rename and tag can silently leave partial JSONL metadata

  bug
  anthropics/claude-agent-sdk-python#1353 · Filter by author sylvesterkaczmarek opened on Oct 3, 2026

• PyPI has no win_amd64 wheel for SDK 0.2.160 through latest 0.2.163

  bug
  anthropics/claude-agent-sdk-python#1349 · Filter by author tableaukyler opened on Oct 2, 2026
  3

• Session summary parser skips ordinary user text equal to tool_result

  bug
  anthropics/claude-agent-sdk-python#1345 · Filter by author wevt opened on Oct 1, 2026
  1

• MCP TypedDict schemas misclassify Required/NotRequired under postponed annotations

  bug
  anthropics/claude-agent-sdk-python#1344 · Filter by author wevt opened on Oct 1, 2026

• Late hook completion after Query.close writes twice to closed transport (0.2.163)

  bugclaude-code-assisted
  anthropics/claude-agent-sdk-python#1340 · Filter by author marcialfiorentino-cyber opened on Oct 1, 2026
  1

• [test] workflow hardening smoke test, please ignore

  invalid
  anthropics/claude-agent-sdk-python#1339 · Filter by author qing-ant opened on Sep 30, 2026
  1

• gha poc triage (close after)

  invalid
  anthropics/claude-agent-sdk-python#1338 · Filter by author anonybluec opened on Sep 30, 2026

• @tool builds an empty input schema, with no error, for an input_schema it does not recognize (typing_extensions.TypedDict on Python 3.11 and later)

  bug
  anthropics/claude-agent-sdk-python#1337 · Filter by author codyanthony736 opened on Sep 30, 2026
  1

• Malformed inline settings is silently discarded with sandbox; the file form raises a bare JSONDecodeError

  anthropics/claude-agent-sdk-python#1335 · Filter by author feiiiiii5 opened on Sep 29, 2026
  4

• A corrupt transcript line aborts import_session_to_store mid-write, leaving a partial session

  anthropics/claude-agent-sdk-python#1334 · Filter by author feiiiiii5 opened on Sep 29, 2026

• Session store writes and reads derive project_key differently, so a git-worktree session lists and resumes as empty

  anthropics/claude-agent-sdk-python#1320 · Filter by author feiiiiii5 opened on Sep 27, 2026
  13

• PermissionUpdate.to_dict() sends "ruleContent": null; the CLI silently drops the update, so "always allow" never sticks for content-less rules

  anthropics/claude-agent-sdk-python#1308 · Filter by author kosio-dev opened on Sep 24, 2026
  1