Shell/Bash Good First Issues

Browse open source issues tagged with Shell/Bash in the issue metadata. Results stay focused on work that can become public contribution evidence.

2323 matching issues

Shell/Bash

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Average annotated difficulty: 2.9/5 across 59 issues.
39% of 59 time estimates are one day or less.

About Shell/Bash

The POSIX and Unix command languages (bash, zsh, dash): the glue in build scripts, CI pipelines and every deployment.

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2323 open issues indexed

PreToolUse `permissionDecision: 'defer'` on `createSdkMcpServer` tools cannot be resumed — CLI's deferred-replay pass runs before `initialize` populates the MCP registry Open

bug

anthropics/claude-agent-sdk-typescript#370 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Server Freezes (2026-07-08) Open

bug

anthropics/claude-agent-sdk-typescript#371 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Architecture] The Subprocess-based Agent Loop causes poor performance and memory bottlenecks in server-side/high-concurrency scenarios Open

enhancement

anthropics/claude-agent-sdk-typescript#372 · 2 comments · 5 reactions · 0 assignees · Indexed Sep 13, 2026
Bedrock: thinking.display 'summarized' not forwarded — Opus 4.8 thinking blocks stream empty (works via direct API and raw Bedrock invoke-model) Open

bug claude-code-assisted

anthropics/claude-agent-sdk-typescript#373 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
Streaming-input `query()` closes stdin after the top-level turn's first `result`, permanently breaking `canUseTool` for a still-running background subagent ("Tool permission request failed: Error: Stream closed") Open

bug

anthropics/claude-agent-sdk-typescript#376 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 13, 2026
Bug: single streaming HTTP request outlasting bearer TTL is killed mid-stream; no in-stream renewal path Open

bug

anthropics/claude-agent-sdk-typescript#378 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
The structured-output enforcement nudge is injected as a plain user message, and the model sometimes refuses it as a prompt injection attempt Open

bug

anthropics/claude-agent-sdk-typescript#379 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Typed SDK surface for out-of-band MCP tool calls / resources (MCP Apps support) Open

enhancement

anthropics/claude-agent-sdk-typescript#380 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Regression: SDK no longer auto-compacts after 0.3.202 Open

bug

anthropics/claude-agent-sdk-typescript#381 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Clarification on using Claude subscription authentication in an open-source application Open

question

anthropics/claude-agent-sdk-typescript#382 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Spurious pre-assistant success `result` frame emitted on session resume when background task notification is pending Open

bug

anthropics/claude-agent-sdk-typescript#383 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
canUseTool control channel closes when main query emits result while background Task subagents still running (subagent tools fail with 'AbortError: Stream closed') Open

bug duplicate

anthropics/claude-agent-sdk-typescript#384 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
shouldQuery: false closes the canUseTool stdin channel mid-turn, tool calls fail with 'Stream closed' Open

bug

anthropics/claude-agent-sdk-typescript#385 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Glob tool returns "No files found" for a dir-prefixed relative pattern combined with an explicit path, even over populated directories (0.3.161) Open

anthropics/claude-agent-sdk-typescript#386 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
`getSessionMessages()` lags a live session's last turn — assistant message missing for ~100 ms after its `result` Open

anthropics/claude-agent-sdk-typescript#387 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Undocumented behavior changes in 0.3.208–0.3.217: raw transcript in TaskOutput results, non-deterministic SubagentStop for background subagents Open

anthropics/claude-agent-sdk-typescript#388 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
[BUG] MCP structuredContent bypasses oversized-result truncation → context refill and autocompact-thrashing abort Open

anthropics/claude-agent-sdk-typescript#389 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 13, 2026
[BUG] ReadMcpResourceTool strips content-item `_meta`, breaking MCP Apps (SEP-1865) CSP resolution Open

anthropics/claude-agent-sdk-typescript#390 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
libc probe calls process.report.getReport() per query(), blocking the event loop 0.5–5s on Linux Open

anthropics/claude-agent-sdk-typescript#391 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
0.3.x native binary: yarn 1 installs both glibc+musl variants (~520 MB); request slimmer distribution options Open

anthropics/claude-agent-sdk-typescript#393 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
AgentDefinition.tools (Write/Edit/Bash) not granted to subagent delegated via Task under Bedrock transport (CLAUDE_CODE_USE_BEDROCK=1) Open

anthropics/claude-agent-sdk-typescript#394 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Deferred-resume continuation ignores the `systemPrompt` option — runs on a default-built system prompt (append + excludeDynamicSections dropped) Open

anthropics/claude-agent-sdk-typescript#395 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Sandbox proxy env omits NODE_USE_ENV_PROXY: Node's fetch has no network while curl works Open

anthropics/claude-agent-sdk-typescript#396 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
PreToolUse options.hooks never fire for built-in tools (Read) — updatedInput unreachable; canUseTool also skipped for in-cwd reads Open

anthropics/claude-agent-sdk-typescript#401 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Async iterator does not terminate after rate_limit_event - consumer stalls indefinitely on closed SSE stream Open

anthropics/claude-agent-sdk-typescript#403 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Bug] SDK injects undocumented "task tools" harness reminder into system prompt — echoed verbatim by model under long context Open

anthropics/claude-agent-sdk-typescript#404 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Interrupt during an in-flight tool call is misclassified as error_during_execution, and the internal [ede_diagnostic] marker leaks to Agent SDK consumers as a fatal error Open

anthropics/claude-agent-sdk-typescript#405 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Support Hooks, MCP servers from Additional direcrtories Open

enhancement

anthropics/claude-agent-sdk-typescript#406 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
The tool you can fill wins over the tool that fits Open

enhancement

anthropics/claude-agent-sdk-typescript#407 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Add goal status to event stream Open

enhancement

anthropics/claude-agent-sdk-typescript#409 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Hooks: Options['hooks'] discards the event key, so a single-event hook cannot be typed narrowly Open

enhancement

anthropics/claude-agent-sdk-typescript#411 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Filesystem connector tools fail to access the local filesystem Open

bug

anthropics/claude-agent-sdk-typescript#412 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
canUseTool drops `requires_user_interaction`, so SDK hosts cannot honour `anthropic/requiresUserInteraction` Open

bug

anthropics/claude-agent-sdk-typescript#415 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
PreToolUse hook issue Open

bug

anthropics/claude-agent-sdk-typescript#422 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Aborted tool calls are indistinguishable from user denials: expose toolDenialKind and reword the abort substitution Open

bug enhancement

anthropics/claude-agent-sdk-typescript#424 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
interrupt() never settles and the iterator never concludes when the query is mid-API-call (0.3.241) Open

bug

anthropics/claude-agent-sdk-typescript#425 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Feature request: stream or materialize SessionStore transcripts without building a full entry array Open

enhancement

anthropics/claude-agent-sdk-typescript#426 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
query() reaching maxTurns yields no result message — `error_max_turns` never arrives (SDK 0.3.238 / vendored CLI 2.1.238) Open

bug

anthropics/claude-agent-sdk-typescript#427 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
interrupt() during CLI startup resolves successfully but does not interrupt (0.3.241) Open

bug enhancement

anthropics/claude-agent-sdk-typescript#429 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Feature request: expose `parentUuid` on `SessionMessage` so the conversation chain can be reconstructed Open

enhancement

anthropics/claude-agent-sdk-typescript#431 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Streamed-input cache_control blocks are not counted toward the 4-block limit; any tool round then exceeds it (API 400) Open

bug enhancement

anthropics/claude-agent-sdk-typescript#432 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
PermissionRequest hook never fires under permissionMode: 'default', even though PreToolUse does Open

bug

anthropics/claude-agent-sdk-typescript#435 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
[Regression 2.1.244–2.1.246] SDK MCP (in-process) tool calls from Task subagents fail instantly: "tool call was interrupted before a result was received" Open

bug

anthropics/claude-agent-sdk-typescript#436 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Resuming through SessionStore.load degrades the loaded harness (user-level plugins, skills, commands, output styles stripped) Open

bug

anthropics/claude-agent-sdk-typescript#437 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
streamInput() closes CLI stdin at the first result — hooks/canUseTool/SDK-MCP severed on multi-segment turns (background subagents) Open

bug duplicate

anthropics/claude-agent-sdk-typescript#438 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Redis SessionStore can silently lose or duplicate appends Open

bug

anthropics/claude-agent-sdk-typescript#440 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Vertex AI: startup model probe ignores ANTHROPIC_DEFAULT_SONNET_MODEL pin, falls back through retired Sonnet generations Open

bug

anthropics/claude-agent-sdk-typescript#443 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
Query.interrupt() after system/init segfaults claude.exe on Windows (0xC0000005) Open

bug

anthropics/claude-agent-sdk-typescript#444 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
PermissionResult allow type makes updatedInput optional but CLI runtime requires it Open

bug

anthropics/claude-agent-sdk-typescript#453 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 13, 2026
z.record() tool schema crashes tools/list of SDK MCP servers since 0.3.257 — all tools of the server silently disappear Open

bug

anthropics/claude-agent-sdk-typescript#454 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 13, 2026

Shell/Bash Good First Issues

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