---

name: Fork Terminal Skill description: Fork a terminal session to a new terminal window. Use this when the user requests 'fork terminal' or 'create a new terminal' or 'new terminal: ' or 'fork session: '. trigger: manual allowed-tools:

• Bash
• Read

---

Purpose

Fork a terminal session to a new terminal window using agentic coding tools (Claude Code, Codex CLI, Gemini CLI) or raw CLI commands. Supports context handoff with conversation summary for agentic tools.

Variables

ENABLE_RAW_CLI_COMMANDS: true # Allow forking with raw CLI commands (ffmpeg, curl, python, etc.) ENABLE_GEMINI_CLI: true # Enable Gemini CLI agent forking ENABLE_CODEX_CLI: true # Enable Codex CLI agent forking ENABLE_CLAUDE_CODE: true # Enable Claude Code agent forking AGENTIC_CODING_TOOLS: claude-code, codex-cli, gemini-cli # List of supported agentic tools

Workflow

1. Parse User Request

   • Extract: tool type (agentic vs raw CLI), tool name, command/task
   • Check for "summary" keyword (context handoff for agentic tools)
   • Example: "fork terminal use claude code to fix tests" → Tool: claude-code, Task: "fix tests", Summary: no

2. Read Fork Tool

   • Tool: Read .claude/skills/fork-terminal/tools/fork_terminal.py
   • Understand forking mechanism and parameters
   • Example: fork_terminal(command: str) → Spawns new terminal with command

3. Handle Summary Context (Agentic Tools Only)

   • IF: User requested summary (keywords: "summarize", "summary", "include context")
   • AND: Tool is in AGENTIC_CODING_TOOLS (claude-code, codex-cli, gemini-cli)
   • AND: Tool is enabled via ENABLE flag
   • THEN: Apply summary workflow:
     • Read .claude/skills/fork-terminal/prompts/fork_summary_user_prompt.md template
     • Fill template IN MEMORY (IMPORTANT: don't update the file, fill it in memory only)
     • Replace XML tags: with conversation history between you and user
     • Replace XML tags: with the user's task
     • This filled prompt will be passed to the PROMPT parameter (-p flag) of the agentic coding tool
     • Template structure: Provides context handoff so new agent has conversation history
   • ELSE: Use task as-is without summary (for raw CLI or when summary not requested)
   • Summary examples:
     • "fork terminal use claude code to fix tests summarize work so far"
     • "spin up new terminal with codex include summary for refactoring"
     • "create terminal with gemini with context to implement feature"
   • Non-summary example: "fork terminal use claude code to run tests" → Direct task, no summary

4. Route to Cookbook

   • Determine scenario based on tool type and enabled flags
   • Options: Raw CLI, Claude Code, Codex CLI, Gemini CLI
   • Example: "claude code" requested + ENABLE_CLAUDE_CODE=true → Claude Code scenario

5. Execute Cookbook Scenario

   • Read and follow appropriate cookbook file
   • Cookbook will construct the fork command
   • Example: claude-code.md → Builds claude command with flags

6. Fork Terminal

   • Tool: Execute fork_terminal(command)
   • Spawns new terminal window with constructed command
   • Example: fork_terminal("claude --model sonnet -p 'fix tests'")

Cookbook

Raw CLI Commands

• IF: The user requests a non-agentic coding tool AND ENABLE_RAW_CLI_COMMANDS is true.
• THEN: Read and execute: .claude/skills/fork-terminal/cookbook/cli-command.md
• EXAMPLES:
  • "Create a new terminal to with ffmpeg"
  • "Create a new terminal to with curl"
  • "Create a new terminal to with python"

Claude Code

• IF: The user requests a claude code agent to execute the command AND ENABLE_CLAUDE_CODE is true.
• THEN: Read and execute: .claude/skills/fork-terminal/cookbook/claude-code.md
• EXAMPLES:
  • "fork terminal use claude code to "
  • "spin up a new terminal request using claude code"
  • "create a new terminal to with claude code"

Codex CLI

• IF: The user requests a codex CLI agent to execute the command AND ENABLE_CODEX_CLI is true.
• THEN: Read and execute: .claude/skills/fork-terminal/cookbook/codex-cli.md
• EXAMPLES:
  • "fork terminal use codex to "
  • "spin up a new terminal request using codex"
  • "create a new terminal to with codex"

Gemini CLI

• IF: The user requests a gemini CLI agent to execute the command AND ENABLE_GEMINI_CLI is true.
• THEN: Read and execute: .claude/skills/fork-terminal/cookbook/gemini-cli.md
• EXAMPLES:
  • "fork terminal use gemini to "
  • "spin up a new terminal request with gemini"
  • "create a new terminal to using gemini"