Agent-Skills.md

Agent Skills: Claude CLI Skill

Shell out to Claude Code CLI to invoke a second Claude session headlessly. Useful for cross-validation, second opinions, and isolated analysis without sharing current agent context. Requires Anthropic account.

UncategorizedID: oimiragieo/agent-studio/omega-claude-cli

Repository

oimiragieo/agent-studio
oimiragieo
19

Install this agent skill to your local

pnpm dlx add-skill https://github.com/oimiragieo/agent-studio/tree/HEAD/.claude/skills/omega-claude-cli

Skill Files

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.claude/skills/omega-claude-cli/SKILL.md

Skill Metadata

Name
omega-claude-cli
Description
Shell out to Claude Code CLI to invoke a second Claude session headlessly. Useful for cross-validation, second opinions, and isolated analysis without sharing current agent context. Requires Anthropic account.

Claude CLI Skill

Headless wrapper for Claude Code CLI. Invokes a separate Claude session via claude -p "PROMPT" --dangerously-skip-permissions. Provides isolated second opinions without sharing the current agent's context window.

When to Use

  • Second-opinion validation (isolated Claude session without shared context)
  • Cross-validation of current agent's reasoning
  • Delegated deep analysis that should not consume current context window
  • Multi-LLM consultation workflows (as one of the participating models)
  • Chairman synthesis in llm-council workflows

Usage

Ask a question

node .claude/skills/omega-claude-cli/scripts/ask-claude.mjs "What are the security implications of this auth design?"

Specify model

node .claude/skills/omega-claude-cli/scripts/ask-claude.mjs "Review this code" --model sonnet

JSON output (with text stripping)

node .claude/skills/omega-claude-cli/scripts/ask-claude.mjs "Analyze dependencies" --json

With timeout

node .claude/skills/omega-claude-cli/scripts/ask-claude.mjs "Deep security review of auth.ts" --timeout-ms 300000

Availability Check

node .claude/skills/omega-claude-cli/scripts/verify-setup.mjs
# Exit 0 = available (CLI found)
# Exit 1 = not available

Scripts

| Script | Purpose | | ------------------- | ---------------------------------------------------------- | | ask-claude.mjs | Core headless wrapper — prompt as positional arg to -p | | parse-args.mjs | Argument parser (--model, --json, --sandbox, --timeout-ms) | | verify-setup.mjs | Availability check with npx fallback | | format-output.mjs | Output normalization with extractJsonResponse() |

Flags

| Flag | Description | | ---------------- | ---------------------------------------------------------------- | | --model MODEL | opus (Opus 4.6), sonnet (4.5), haiku (4.5), or full model ID | | --json | JSON output (strips conversational text via extractJsonResponse) | | --sandbox | Code execution sandbox mode | | --timeout-ms N | Timeout in milliseconds (exit code 124 on expiry) |

Exit Codes

| Code | Meaning | | ---- | ------------------------------- | | 0 | Success | | 1 | Error (CLI failure, auth issue) | | 124 | Timeout (--timeout-ms exceeded) |

Anti-Patterns & Iron Laws

  1. ALWAYS use --dangerously-skip-permissions for headless mode (built into wrapper)
  2. NEVER expect to share context between this CLI session and the current agent
  3. ALWAYS use format-output.mjs to strip conversational text wrapping from JSON
  4. ALWAYS set --timeout-ms for production usage
  5. NEVER invoke on security-critical tasks without acknowledging the risk

Integration Notes

  • Auth: Claude Code subscription or ANTHROPIC_API_KEY env var
  • Models: opus, sonnet, haiku, or full model IDs
  • Security: --dangerously-skip-permissions allows all tool execution; intended for trusted automation only
  • Platform: Full cross-platform (Windows uses cmd.exe /d /s /c wrapper)

Memory Protocol

Before work: Read .claude/context/memory/learnings.md After work: Append findings to learnings or issues as needed.

Note: Use pnpm search:code to discover references to this skill codebase-wide.