ogt-cli-claude

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Run Claude Code CLI for complex tasks, code generation, analysis, and research. Uses Anthropic OAuth (included in Claude Pro). Use for extended thinking, code review, architecture decisions. Preferred for load balancing sub-agent work (35% weight).

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Sourceopendndapps/ogt-skills
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NPX Install

npx skill4agent add opendndapps/ogt-skills ogt-cli-claude

Tags

Translated version includes tags in frontmatter
claude-clianthropic-oauthcode-generationsub-agent-delegationai-code-assistant

SKILL.md Content

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Claude CLI Skill

Run Claude Code CLI to leverage Anthropic's models via OAuth authentication (no API tokens required).

When to Use

  • Complex coding tasks that benefit from extended context
  • Multi-file code generation or refactoring
  • Research and analysis requiring deep reasoning
  • Tasks that would benefit from Claude's thinking mode
  • Delegating substantial work to a sub-process

Quick Start

One-shot query (non-interactive)

bash
echo "Your prompt here" | claude -p

With specific model

bash
echo "Complex task requiring Opus" | claude -p --model opus
echo "Standard task with Sonnet" | claude -p --model sonnet
Note: Piping the prompt via stdin is more reliable than passing it as an argument.

With thinking/extended reasoning

bash
claude -p --model opus "Analyze this complex problem"

JSON output (for parsing)

bash
claude -p --output-format json "Your prompt"

Stream JSON (real-time)

bash
claude -p --output-format stream-json "Your prompt"

Key Options

OptionDescription
-p, --print
Non-interactive mode, print and exit
--model <model>
Model alias: 
sonnet
, 
opus
, or full name
--output-format <fmt>
text
(default), 
json
, 
stream-json
--system-prompt <prompt>
Custom system prompt
--max-budget-usd <amount>
Spending limit for the call
--allowedTools <tools>
Restrict available tools
--dangerously-skip-permissions
Skip permission checks (sandboxed use only)

Working with Files

Claude CLI can read and write files in its working directory:
bash
# Analyze a file
claude -p "Review this code for bugs" < myfile.py

# Work in a specific directory
cd /path/to/project && claude -p "Summarize this codebase"

# Give access to additional directories
claude -p --add-dir /other/path "Work with files in both locations"

For Sub-Agent Delegation

When spawning Claude CLI for background work:
bash
# Run with timeout protection
timeout 300 claude -p --model sonnet "Complete this task..." 2>&1

# Capture structured output
claude -p --output-format json "Generate a report" > result.json

Script: Run Claude Task

Use the bundled script for reliable sub-agent execution:
bash
node {baseDir}/scripts/run-claude-task.cjs "Your task prompt" [--model sonnet|opus] [--timeout 300]
The script handles:
  • Timeout protection
  • Error capture and formatting
  • Clean output for parsing
  • Exit code propagation

Authentication

Claude CLI uses OAuth by default (linked to your Anthropic account). No API key configuration needed.
To check auth status:
bash
claude --version
If not authenticated, run interactively once:
bash
claude
Follow the OAuth prompts to link your account.

Model Selection

AliasBest For
sonnet
Fast, capable, cost-effective. Default choice.
opus
Complex reasoning, nuanced tasks, extended thinking.

Tips

  1. Always use 
    -p
     for non-interactive/scripted use
  2. Set timeouts for long-running tasks to prevent hangs
  3. Use 
    --output-format json
     when you need to parse results
  4. Pipe input for file analysis: 
    cat file.py | claude -p "Review this"
  5. Working directory matters — Claude sees files relative to cwd

Limitations

  • OAuth requires initial interactive setup
  • Rate limits apply based on your Anthropic account tier
  • Some operations may timeout on very complex tasks
  • Interactive features (like file editing confirmations) don't work with 
    -p