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oh-my-cli-autonomous-code-agent

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Updated 10-16 07:27

About this skill

oh-my-cli Autonomous Code Agent

Skill by ara.so — Devtools Skills collection.

oh-my-cli is a minimal autonomous code agent CLI built with Qwen Code, Node.js 22, TypeScript, and ESM. It provides file manipulation and shell execution tools, session persistence, undo/redo capabilities, approval gates, and session compaction for long-running tasks.

What It Does

  • Autonomous Code Agent: Execute multi-turn coding tasks with an LLM that can read/write files and run shell commands
  • Session Management: Persist sessions with JSONL checkpoints, resume from any point, browse previous sessions
  • Safety Controls: Approval gates for mutations, atomic checkpoints, turn-based undo/redo
  • Context Management: Automatic session compaction to stay within provider context limits
  • Profile Support: Switch between multiple model configurations (hosted, local, different providers)
  • MCP Integration: Model Context Protocol server support with health checks

Installation

git clone https://github.com/qwen-code-dev-bot/oh-my-cli.git
cd oh-my-cli
npm install
npm run build

Configuration

Environment Variables

oh-my-cli uses OpenAI-compatible endpoints with these environment variables:

export OPENAI_API_KEY="your-key-here"
export OPENAI_BASE_URL="https://api.openai.com/v1"  # optional, defaults to OpenAI
export OPENAI_MODEL="gpt-4"  # required

User Settings File

Create ~/.oh-my-cli/settings.json to avoid exporting variables in every shell:

{
  "model": {
    "baseUrl": "https://dashscope.aliyuncs.com/compatible-mode/v1",
    "name": "qwen-latest-series-invite-beta-v77",
    "apiKeyEnv": "DASHSCOPE_API_KEY"
  }
}

Security: The settings file never stores raw credentials—only the name of the environment variable that holds the key.

Model Profiles

Manage multiple configurations in ~/.oh-my-cli/settings.json:

{
  "defaultProfile": "qwen",
  "profiles": {
    "qwen": {
      "baseUrl": "https://dashscope.aliyuncs.com/compatible-mode/v1",
      "name": "qwen-latest-series-invite-beta-v77",
      "apiKeyEnv": "DASHSCOPE_API_KEY",
      "description": "Hosted Qwen"
    },
    "local": {
      "name": "llama3",
      "baseUrl": "http://127.0.0.1:11434/v1",
      "apiKeyEnv": "OLLAMA_API_KEY"
    },
    "openai": {
      "name": "gpt-4",
      "apiKeyEnv": "OPENAI_API_KEY",
      "description": "OpenAI GPT-4"
    }
  }
}

Key Commands

Basic Usage

# Non-interactive: single task
oh-my-cli -p "List the files in this directory"

# Interactive REPL mode
oh-my-cli

# Use a specific profile
oh-my-cli --profile qwen -p "Refactor the auth module"

# Verify configuration before running
oh-my-cli --preflight --profile local

Session Management

# Resume a session by ID
oh-my-cli --resume abc123-def456-789

# Browse sessions interactively (search, arrow keys, then resume)
oh-my-cli --browse-sessions

# List all profiles (read-only, redacted)
oh-my-cli --list-profiles
oh-my-cli --list-profiles --output json

Session Compaction

Long sessions can exceed context limits. Compact them while preserving task state:

# Manually compact a session (writes sidecar, doesn't modify transcript)
oh-my-cli --compact abc123-def456-789

# Auto-compact during run when context pressure reaches threshold (in tokens)
oh-my-cli -p "Long refactoring task" --compact-threshold 100000

# Or via environment variable
OMC_COMPACT_THRESHOLD=100000 oh-my-cli -p "Long task"

Compaction creates a <session-id>.compact.json sidecar. On --resume, it's validated against the transcript and applied automatically.

Undo/Redo Turns

Every non-interactive turn creates a checkpoint of modified files:

# Preview undo (dry-run, no changes)
oh-my-cli --undo-turn abc123-def456-789 --dry-run

# Undo the latest turn (restores files, trims transcript)
oh-my-cli --undo-turn abc123-def456-789

# Redo the undone turn
oh-my-cli --redo-turn abc123-def456-789

# JSON output for structured plan/receipt
oh-my-cli --undo-turn abc123-def456-789 --dry-run --output json

Safety: Undo/redo fail closed—they exit with status 2 and change nothing if a turn-owned file has diverged or is in a conflicted state.

Session Export

Export a session to portable Markdown and JSON (redacted, local, no network):

# Export to ./exports directory
oh-my-cli --export-session abc123-def456-789 --out ./exports

# Force overwrite existing export
oh-my-cli --export-session abc123-def456-789 --out ./exports --force

# JSON output (includes manifest and output paths)
oh-my-cli --export-session abc123-def456-789 --out ./exports --output json

Creates two files:

  • <session-id>.session-export.md — readable transcript
  • <session-id>.session-export.manifest.json — machine-readable metadata

Exports are deterministic: re-exporting an unchanged session produces byte-identical files.

Web Delivery Board

Browser-native feature pages for remote control and dynamic workflow:

# Start web server (loopback only, default port 4317)
oh-my-cli --delivery-web

# Use custom port
oh-my-cli --delivery-web --web-port 8080

Visit:

  • http://127.0.0.1:4317/remote-control
  • http://127.0.0.1:4317/dynamic-workflow

Security: Listens on loopback only, no credentials or settings exposed.

Real-World Usage Patterns

Pattern 1: Refactor a Module with Session Resume

# Start refactoring
oh-my-cli -p "Refactor src/auth.ts to use async/await instead of callbacks"

# Session completes, prints session ID: abc123-def456-789
# Later: resume if you need to continue
oh-my-cli --resume abc123-def456-789
# In REPL: "Now add error handling to the refactored functions"

Pattern 2: Safe Experimentation with Undo

# Try a risky change
oh-my-cli -p "Rewrite the database layer to use Prisma"
# Session ID: xyz789-abc123-456

# Preview what undo would do
oh-my-cli --undo-turn xyz789-abc123-456 --dry-run

# Actually undo if it didn't work
oh-my-cli --undo-turn xyz789-abc123-456

# Or redo if you changed your mind
oh-my-cli --redo-turn xyz789-abc123-456

Pattern 3: Multi-Profile Workflow

# Use fast local model for exploration
oh-my-cli --profile local -p "Analyze the codebase structure"

# Switch to powerful hosted model for complex refactoring
oh-my-cli --profile qwen -p "Refactor the entire API layer to be type-safe"

# Verify a profile before using it
oh-my-cli --preflight --profile openai

Pattern 4: Long-Running Task with Compaction

# Set compaction threshold for a large codebase task
export OMC_COMPACT_THRESHOLD=100000
oh-my-cli -p "Migrate all 50 components from class-based to functional with hooks"

# Session auto-compacts when context pressure hits threshold
# Continue in REPL or resume later with full task state preserved

Pattern 5: Team Handoff via Export

# Export a session for review or handoff
oh-my-cli --export-session abc123-def456-789 --out ./session-exports

# Sends two files:
# - abc123-def456-789.session-export.md (readable transcript)
# - abc123-def456-789.session-export.manifest.json (metadata)

# Colleague reviews the Markdown, sees exactly what the agent did
# Manifest includes tool call tallies, timestamps, workspace (redacted)

Session Persistence

Sessions are stored as JSONL in ~/.oh-my-cli/sessions/:

~/.oh-my-cli/sessions/
  abc123-def456-789.jsonl              # Main session transcript
  abc123-def456-789.compact.json       # Compaction sidecar (optional)
  abc123-def456-789.turn.json          # Undo/redo checkpoint (optional)
  abc123-def456-789.session-export.md  # Export output (if exported)
  abc123-def456-789.session-export.manifest.json

Atomic Checkpoints: Each non-interactive run writes to a temp file, then renames it over the canonical one—so an interrupted write leaves either the previous or new complete checkpoint, never a partial file.

Tool Execution and Approval

oh-my-cli exposes file and shell tools to the model:

  • File tools: read_file, write_file, list_directory, create_directory, etc.
  • Shell tools: execute_command (with approval gates for mutations)

Approval gates prevent destructive actions without user confirmation. Configure approval behavior in settings or via CLI flags.

Configuration Resolution Precedence

For each config field (highest to lowest):

Field 1 (highest) 2 3 (lowest)
Base URL OPENAI_BASE_URL model.baseUrl or profile's baseUrl Built-in default
Model name OPENAI_MODEL model.name or profile's name (required)
Credential OPENAI_API_KEY env var named by apiKeyEnv (required)

Security: Project-local settings files are never auto-discovered. Only user-owned ~/.oh-my-cli/settings.json or explicit --settings <path> are read.

Troubleshooting

Profile Not Found

oh-my-cli --profile unknown -p "Task"
# Error: Profile "unknown" not found

Fix: List available profiles:

oh-my-cli --list-profiles

Missing API Key

oh-my-cli --profile qwen -p "Task"
# Error: Environment variable DASHSCOPE_API_KEY is not set

Fix: Export the referenced environment variable:

export DASHSCOPE_API_KEY="your-key-here"

Session Checkpoint Corrupt

oh-my-cli --resume abc123-def456-789
# Warning: Checkpoint corrupt, using full transcript

Corrupt checkpoints are quarantined alongside the session (preserved, not deleted). The session resumes from the full transcript.

Undo Failed (File Diverged)

oh-my-cli --undo-turn abc123-def456-789
# Error: Turn-owned file src/auth.ts has diverged since checkpoint

Fix: The file was modified after the turn. Undo fails closed to prevent data loss. Manually review and resolve, or skip undo.

Context Limit Exceeded

oh-my-cli --resume long-session-id
# Error: Context limit exceeded

Fix: Compact the session:

oh-my-cli --compact long-session-id
oh-my-cli --resume long-session-id

Or set auto-compaction:

oh-my-cli --resume long-session-id --compact-threshold 100000

Advanced: MCP Server Integration

oh-my-cli supports Model Context Protocol (MCP) servers. Configure them in ~/.oh-my-cli/settings.json:

{
  "model": {
    "name": "qwen-latest-series-invite-beta-v77",
    "apiKeyEnv": "DASHSCOPE_API_KEY"
  },
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/workspace"]
    }
  }
}

Check MCP server health:

oh-my-cli --health

TypeScript Integration (for Extensions)

oh-my-cli is written in TypeScript with ESM. To build extensions:

import { Session } from './session.js';
import { Tool } from './tools.js';

// Example: Custom tool implementation
export class MyCustomTool implements Tool {
  name = 'my_custom_tool';
  description = 'Does something custom';
  
  async execute(params: Record<string, unknown>): Promise<string> {
    // Your tool logic here
    return JSON.stringify({ result: 'success' });
  }
}

Build with:

npm run build

Best Practices

  1. Use Profiles: Set up profiles for different models/providers rather than constantly changing env vars
  2. Enable Auto-Compaction: For long tasks, set OMC_COMPACT_THRESHOLD to prevent context limit errors
  3. Review Before Undo: Always --dry-run before undoing to see what will change
  4. Export for Handoffs: Use --export-session for team reviews or debugging
  5. Verify Configuration: Run --preflight before starting complex tasks
  6. Browse Sessions: Use --browse-sessions instead of remembering session IDs
  7. Never Store Raw Keys: Always use apiKeyEnv to reference environment variables
  8. Atomic Operations: Rely on oh-my-cli's atomic checkpoints—don't manually edit JSONL files

Common Workflows

Initial Setup

# Install
npm install && npm run build

# Create settings file
mkdir -p ~/.oh-my-cli
cat > ~/.oh-my-cli/settings.json << 'EOF'
{
  "defaultProfile": "qwen",
  "profiles": {
    "qwen": {
      "baseUrl": "https://dashscope.aliyuncs.com/compatible-mode/v1",
      "name": "qwen-latest-series-invite-beta-v77",
      "apiKeyEnv": "DASHSCOPE_API_KEY"
    }
  }
}
EOF

# Set API key
export DASHSCOPE_API_KEY="your-key-here"

# Verify
oh-my-cli --preflight

Daily Usage

# Quick one-off task
oh-my-cli -p "Add types to src/utils.ts"

# Long interactive session
oh-my-cli
# > "Start by analyzing the codebase"
# > "Now refactor the components"
# > "Add tests for the new code"

# Resume yesterday's work
oh-my-cli --browse-sessions
# Arrow to the session, press Enter to resume

Recovery from Mistakes

# Agent made a bad change
oh-my-cli --undo-turn <session-id> --dry-run  # Preview
oh-my-cli --undo-turn <session-id>            # Execute

# Export for debugging
oh-my-cli --export-session <session-id> --out ./debug-exports