Owner

anthropics

47 indexed repositories · View on GitHub

skills
Public repository for Agent Skills

Python · 176223 stars
claude-cookbooks
A collection of notebooks/recipes showcasing some fun and effective ways of using Claude.

Jupyter Notebook · 52670 stars
prompt-eng-interactive-tutorial
Anthropic's Interactive Prompt Engineering Tutorial

Jupyter Notebook · 38161 stars
claude-plugins-official
Official, Anthropic-managed directory of high quality Claude Code Plugins.

Python · 36256 stars
financial-services

Python · 34821 stars
knowledge-work-plugins
Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork

Python · 24016 stars
courses
Anthropic's educational courses

Jupyter Notebook · 22833 stars
claude-quickstarts
A collection of projects designed to help developers quickly get started with building deployable applications using the Claude API

TypeScript · 17653 stars
claude-for-legal
A suite of plugins for legal workflows

Python · 9440 stars
claude-code-action

TypeScript · 8868 stars
claude-agent-sdk-python

Python · 8094 stars
defending-code-reference-harness
Skills for threat modeling, scanning, triage, patching, plus an autonomous scanning harness you can /customize

Python · 7462 stars
claude-code-security-review
An AI-powered security review GitHub Action using Claude to analyze code changes for security vulnerabilities.

Python · 6217 stars
sandbox-runtime
A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring...

TypeScript · 5224 stars
original_performance_takehome
Anthropic's original performance take-home, now open for you to try!

Python · 4151 stars
claude-plugins-community
Community plugin marketplace for Claude Cowork and Claude Code. Read-only mirror — submit plugins at clau.de/plugin-directory-submission.

Python · 3985 stars
anthropic-sdk-python

Python · 3899 stars
claudes-c-compiler
Claude Opus 4.6 wrote a dependency-free C compiler in Rust, with backends targeting x86 (64- and 32-bit), ARM, and RISC-V, capable of com...

Rust · 2791 stars
claude-agent-sdk-demos
Claude Code SDK Demos

TypeScript · 2741 stars
anthropic-sdk-typescript
Access to Anthropic's safety-first language model APIs in TypeScript

TypeScript · 2117 stars
27 more repositories live on View on GitHub

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12087 open issues indexed

[MODEL] Why am I paying extra tokens just to correct outdated answers from Claude? Open

area:model enhancement model

anthropics/claude-code#94389 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TOOL FUCKS THINGS UP, CLOSES SESIOSN LIKE A HUMAN GETTUNG THERI FEELINGS HURT AND THEN SAYS ILL STOP HERE.JOW VERY CODEING Open

area:model bug needs-repro platform:macos

anthropics/claude-code#94391 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Headless `claude -p` exits with its own background subagents still running; every in-flight Task is reported `stopped` and the run still ends `result.subtype=success`, exit code 0 Open

area:agents area:cli bug has repro platform:linux

anthropics/claude-code#94392 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Monitor tool: doesn't respect persistent flag and timeout_ms schema caps at 3600000 but actual lifetime is ~30 minutes, even during active (non-idle) sessions Open

area:tools bug has repro platform:linux

anthropics/claude-code#94393 · 3 comments · 6 reactions · 0 assignees · Indexed Sep 14, 2026
Feature request: shared/synced instructions between Claude Code and claude.ai profile custom instructions Open

area:integrations enhancement

anthropics/claude-code#94394 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Cowork silently blocks plugin-bundled MCP `env` var expansion for any non-built-in name, contradicting documented `${VAR}` custom-secret support Open

area:cowork area:mcp area:plugins bug has repro platform:windows

anthropics/claude-code#94395 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Forked sessions never become Remote Control eligible, so they never appear in the mobile Code tab Open

area:core bug has repro platform:macos

anthropics/claude-code#94396 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Remote Control (mobile): every assistant reply is rendered twice — the brief-mode reminder makes the model restate it via SendUserMessage Open

area:agent-view bug has repro platform:ios platform:macos

anthropics/claude-code#94397 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Remote Control (mobile): backgrounding the app resets a running session's model to Opus 4.8 Open

area:model bug has repro platform:ios platform:macos

anthropics/claude-code#94398 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Cowork/Dispatch agent cannot see or reach local sessions on its own machine, and list_sessions returns empty instead of an access error Open

area:cowork area:desktop bug platform:macos

anthropics/claude-code#94399 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Resumed session drops a tool from the parent's initial tools array (EndConversation), so its first request misses the prompt cache Open

area:core bug has repro platform:windows

anthropics/claude-code#94400 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Anthropic API Error: Opus 5 safeguards blocking legitimate cybersecurity tasks Open

area:model bug duplicate platform:macos

anthropics/claude-code#94401 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] LSP validation ignores valid $schema key in hooks.json Open

area:hooks area:lsp bug platform:macos

anthropics/claude-code#94402 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Non-English input causes CLI failure or unexpected behavior Open

area:tui bug needs-info needs-repro platform:windows

anthropics/claude-code#94403 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Claude Code fails on project tasks and routine development work Open

bug needs-repro platform:windows

anthropics/claude-code#94404 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Max 5x → Max 20x upgrade blocked by phone verification loop ("already verified") Open

bug invalid

anthropics/claude-code#94405 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Voice dictation in the desktop app drops words throughout the recording — output is fragments, not a transcript (macOS, v2.1.237) Open

area:desktop bug has repro platform:macos

anthropics/claude-code#94406 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Space key conflict in agent view reply box prevents text input for new agent line Open

area:agent-view bug platform:linux

anthropics/claude-code#94407 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Session permanently broken with 400 'unexpected end of data' after binary tool output (real-world case of #94055) Open

area:bash duplicate platform:macos

anthropics/claude-code#94408 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bash permission allow-rule doesn't split on ;/&& before matching (contrary to docs) — compound-command smuggling bypasses scoped allowlist Open

area:bash area:permissions area:security bug has repro

anthropics/claude-code#94314 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Chat window not resizing properly when switching between windowed and fullscreen modes Open

area:tui bug platform:windows

anthropics/claude-code#94315 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[MODEL] Desktop Code tab refuses all local file deletion (browser-agent safety rule), then behaves inconsistently under pushback Open

area:desktop area:model bug model platform:windows

anthropics/claude-code#94316 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Cowork (Windows): a typed plugin slash command only executes when the picker resolves it into the blue chip; identical text submitted unselected is sent to the model as plain text Open

area:cowork area:plugins bug has repro platform:windows

anthropics/claude-code#94309 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Unexpected high token consumption with delegated sub-agents in Fable Open

area:agents area:cost bug platform:vscode platform:windows

anthropics/claude-code#94310 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Scheduled tasks: updateScheduledTask strips unknown SKILL.md frontmatter keys, from 3 different triggers (MCP tool, permission auto-approve, GUI edit) Open

area:mcp area:skills bug data-loss platform:macos

anthropics/claude-code#94312 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Missing syntax highlighting in /diff on Windows and extensionless files (with fix) Open

area:tui bug platform:windows

anthropics/claude-code#94313 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Unindented multi-line frontmatter description silently fails to parse, falls back to first body heading Open

area:skills bug has repro platform:linux

anthropics/claude-code#94301 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Visual UI for Agent Teams (and persistent always-on agents) in Claude Desktop Open

area:agent-view area:desktop enhancement platform:wsl

anthropics/claude-code#94302 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[FEATURE] VS Code integration: support contributes.chatSkills for parity with GitHub Copilot Open

area:ide area:skills enhancement platform:vscode

anthropics/claude-code#94303 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Model downgraded from Sonnet 5.1 to Opus 5.0 on legitimate scientific research content Open

area:model bug platform:macos

anthropics/claude-code#94304 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Scheduled/automated Claude Code sessions don't load write-capable Slack MCP tools, even when the connector is connected and enabled Open

area:mcp area:permissions area:routines bug platform:web

anthropics/claude-code#94305 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Sandbox network: let the user decide on hosts outside the allowlist in auto mode, instead of the classifier Open

area:permissions area:sandbox area:security enhancement

anthropics/claude-code#94306 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Desktop: sessions from a folder whose path is a string prefix of a sibling (MyApp vs MyApp-MR) are grouped under the shorter project and resume against the wrong folder Open

area:desktop bug has repro platform:macos

anthropics/claude-code#94307 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`claude plugin eval` refuses every Bash-granting run on a Mac with Docker Desktop (symlinks in ~/.docker/cli-plugins) Open

area:plugins area:sandbox bug platform:macos

anthropics/claude-code#94308 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Fullscreen: Cmd+C copy never reaches Claude Code on iTerm2 because CSI >4;2m after the kitty push resets iTerm2's key-reporting flags Open

area:tui bug has repro platform:macos

anthropics/claude-code#94293 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Regression in 2.1.266: client emits system message at an invalid position → API 400 "role 'system' must precede an 'assistant' message or end the array" Open

area:core bug platform:macos regression

anthropics/claude-code#94294 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Routine (scheduled/manual run) starts but never receives the task prompt — marked "完了" with zero actual work done Open

area:routines bug has repro

anthropics/claude-code#94295 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Previous work sessions with mapped project folders disappear from the sessions list Open

area:desktop bug platform:windows

anthropics/claude-code#94296 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
I appreciate your feedback, but this appears to be a general complaint about product direction and language rather than a specific, reproducible bug report for Claude Code. To help you better, could you provide: 1. **Specific technical issue**: What exac Open

area:model bug platform:linux

anthropics/claude-code#94297 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Manual mode not prompting for web access commands after initial acceptance Open

area:permissions bug platform:linux

anthropics/claude-code#94298 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Expose Remote Control connection status in the statusLine JSON payload Open

area:statusline enhancement

anthropics/claude-code#94299 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Vercel env pull overwrites local secrets file without confirmation Open

area:bash bug platform:macos

anthropics/claude-code#94300 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] compressed view of "agents" map icon is not correctly aligned in VSCode native panel Open

area:agent-view area:ui bug has repro platform:macos platform:vscode

anthropics/claude-code#94287 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Excessive CPU usage during idle state in parallel sessions Open

area:core duplicate perf:cpu platform:linux

anthropics/claude-code#94288 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Token burn-rate 'speedometer' per session and overall, so you can see which session is redlining before the budget is gone Open

area:cost area:ui enhancement

anthropics/claude-code#94289 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Claude Pro payments fail before issuer authorization; support human escalation loops for 1+ month Open

invalid

anthropics/claude-code#94290 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] ALT/TAB doesnt work on Claude windows client Open

area:desktop bug platform:windows

anthropics/claude-code#94291 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] VS Code extension: closing a session tab (×) leaves the claude process and its MCP servers running Open

area:ide area:mcp bug has repro platform:linux platform:vscode

anthropics/claude-code#94292 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
code-review skill silently reviews the local diff instead of failing when given an unresolvable PR number Open

area:skills bug

anthropics/claude-code#94280 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
/usage suggests configuring per-subagent model overrides for skills that don't expose that control (e.g. code-review) Open

area:cost area:skills enhancement

anthropics/claude-code#94281 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

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