Add Claude Code CLI command completion

custom-completions/claude/README.md

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+# Claude Code CLI completions
+
+[Claude Code](https://docs.anthropic.com/en/docs/claude-code) is an agentic coding tool by Anthropic that lives in your terminal.
+
+This completion script covers the `claude` command and its subcommands: `auth`, `mcp`, `plugin`, `agents`, `setup-token`, `doctor`, `update`, `upgrade`, and `install`.
+
+## Install completion script
+
+### Method 1: Use from Git repo
+
+- `git clone https://github.com/nushell/nu_scripts.git`
+
+- Add this to your `$nu.config-path` file:
+
+  ```nu
+  source path/to/nu_scripts/custom-completions/claude/claude-completions.nu
+  ```
+
+### Method 2: Copy to completions directory
+
+- Copy the _claude-completions.nu_ to the Nu standard completions directory:
+
+  ```nu
+  cp custom-completions/claude/claude-completions.nu ($nu.data-dir | path join 'completions')
+  ```
+
+- Nushell will automatically load it on next startup.

custom-completions/claude/claude-completions.nu

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+# Claude Code CLI completions for Nushell
+# Translated from bash completion script
+
+def "nu-complete claude commands" [] {
+    [agents auth mcp plugin setup-token doctor update upgrade install]
+}
+
+def "nu-complete claude output-format" [] {
+    [text json stream-json]
+}
+
+def "nu-complete claude input-format" [] {
+    [text stream-json]
+}
+
+def "nu-complete claude permission-mode" [] {
+    [acceptEdits bypassPermissions default dontAsk plan]
+}
+
+def "nu-complete claude models" [] {
+    [sonnet opus haiku claude-sonnet-4-6]
+}
+
+def "nu-complete claude effort" [] {
+    [low medium high]
+}
+
+def "nu-complete claude scope" [] {
+    [local user project]
+}
+
+def "nu-complete claude scope-with-managed" [] {
+    [local user project managed]
+}
+
+def "nu-complete claude transport" [] {
+    [stdio sse http]
+}
+
+def "nu-complete claude install-channel" [] {
+    [stable latest]
+}
+
+# Main command
+export extern claude [
+    --debug(-d)                                             # Enable debug mode
+    --debug-file: path                                      # Debug output file
+    --verbose                                               # Verbose output
+    --print(-p)                                             # Print mode
+    --output-format: string@"nu-complete claude output-format"  # Output format
+    --json-schema: string                                   # JSON schema
+    --include-partial-messages                               # Include partial messages
+    --input-format: string@"nu-complete claude input-format"    # Input format
+    --mcp-debug                                             # MCP debug mode
+    --dangerously-skip-permissions                          # Skip permissions (dangerous)
+    --allow-dangerously-skip-permissions                    # Allow skip permissions
+    --max-budget-usd: number                                # Max budget in USD
+    --replay-user-messages                                  # Replay user messages
+    --allowedTools: string                                  # Allowed tools (deprecated)
+    --allowed-tools: string                                 # Allowed tools
+    --tools: string                                         # Tools
+    --disallowedTools: string                               # Disallowed tools (deprecated)
+    --disallowed-tools: string                              # Disallowed tools
+    --mcp-config: path                                      # MCP config file
+    --system-prompt: string                                 # System prompt
+    --append-system-prompt: string                          # Append system prompt
+    --permission-mode: string@"nu-complete claude permission-mode"  # Permission mode
+    --continue(-c)                                          # Continue last session
+    --resume(-r): string                                    # Resume session by ID
+    --fork-session                                          # Fork session
+    --no-session-persistence                                # Disable session persistence
+    --model: string@"nu-complete claude models"             # Model to use
+    --agent: string                                         # Agent name
+    --betas: string                                         # Beta features
+    --fallback-model: string@"nu-complete claude models"    # Fallback model
+    --settings: path                                        # Settings file
+    --add-dir: path                                         # Additional directory
+    --ide: string                                           # IDE integration
+    --strict-mcp-config                                     # Strict MCP config
+    --session-id: string                                    # Session ID
+    --agents: string                                        # Agents config
+    --setting-sources: string@"nu-complete claude scope"    # Setting sources
+    --plugin-dir: path                                      # Plugin directory
+    --disable-slash-commands                                 # Disable slash commands
+    --chrome                                                # Enable Chrome
+    --no-chrome                                             # Disable Chrome
+    --from-pr: string                                       # From PR
+    --file: path                                            # Input file
+    --worktree(-w): string                                  # Git worktree
+    --tmux                                                  # Tmux mode
+    --effort: string@"nu-complete claude effort"            # Effort level
+    --version(-v)                                           # Show version
+    --help(-h)                                              # Show help
+    ...args: string                                         # Command or prompt
+]
+
+# --- auth ---
+
+export extern "claude auth" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude auth login" [
+    --email: string     # Login email
+    --sso               # Use SSO login
+    --help(-h)
+]
+
+export extern "claude auth logout" [
+    --help(-h)
+]
+
+def "nu-complete claude auth-status-format" [] {
+    [json text]
+}
+
+export extern "claude auth status" [
+    --json               # Output as JSON
+    --text               # Output as text
+    --help(-h)
+]
+
+# --- mcp ---
+
+export extern "claude mcp" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude mcp add" [
+    --scope(-s): string@"nu-complete claude scope"              # Scope
+    --transport(-t): string@"nu-complete claude transport"      # Transport type
+    --env(-e): string                                           # Environment variable
+    --header(-H): string                                        # Header
+    --callback-port: int                                        # Callback port
+    --client-id: string                                         # Client ID
+    --client-secret                                              # Client secret (interactive prompt)
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude mcp add-from-claude-desktop" [
+    --scope(-s): string@"nu-complete claude scope"
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude mcp add-json" [
+    --scope(-s): string@"nu-complete claude scope"
+    --client-secret                                              # Client secret (interactive prompt)
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude mcp get" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude mcp list" [
+    --help(-h)
+]
+
+export extern "claude mcp remove" [
+    --scope(-s): string@"nu-complete claude scope"
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude mcp reset-project-choices" [
+    --help(-h)
+]
+
+export extern "claude mcp serve" [
+    --debug(-d)
+    --verbose
+    --help(-h)
+]
+
+# --- plugin ---
+
+export extern "claude plugin" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin disable" [
+    --all(-a)                                               # Disable all
+    --scope(-s): string@"nu-complete claude scope"
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin enable" [
+    --scope(-s): string@"nu-complete claude scope"
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin install" [
+    --scope(-s): string@"nu-complete claude scope"
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin list" [
+    --available
+    --json
+    --help(-h)
+]
+
+export extern "claude plugin marketplace" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin marketplace add" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin marketplace list" [
+    --json
+    --help(-h)
+]
+
+export extern "claude plugin marketplace remove" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin marketplace update" [
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin uninstall" [
+    --scope(-s): string@"nu-complete claude scope"
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin update" [
+    --scope(-s): string@"nu-complete claude scope-with-managed"
+    --help(-h)
+    ...args: string
+]
+
+export extern "claude plugin validate" [
+    --help(-h)
+    ...args: string
+]
+
+# --- agents ---
+
+export extern "claude agents" [
+    --setting-sources: string@"nu-complete claude scope"
+    --help(-h)
+]
+
+# --- setup-token ---
+
+export extern "claude setup-token" [
+    --help(-h)
+]
+
+# --- doctor ---
+
+export extern "claude doctor" [
+    --help(-h)
+]
+
+# --- update / upgrade ---
+
+export extern "claude update" [
+    --help(-h)
+]
+
+export extern "claude upgrade" [
+    --help(-h)
+]
+
+# --- install ---
+
+export extern "claude install" [
+    --force
+    --help(-h)
+    channel?: string@"nu-complete claude install-channel"   # Install channel
+]