ai-coding-agents

分类: 开发与编程 | 上传者: lllyys | 下载: 0 | 版本: v1.0（最新）
使用 Codex CLI (OpenAI) 和 Claude Code CLI (Anthropic) 的综合指南 - AI 驱动的编码代理。在编排 CLI 命令、自动化任务、配置代理或故障排除问题时使用。
更新日志: Source: GitHub https://github.com/lllyys/vreader
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📁 references/
- 📄 claude-code-advanced.md 10.8 KB
- 📄 codex-advanced.md 6.8 KB
- 📄 comparison-and-edge-cases.md 9.1 KB
📄 SKILL.md 17.3 KB
SKILL.md

---
name: ai-coding-agents
description: Comprehensive guide for using Codex CLI (OpenAI) and Claude Code CLI (Anthropic) - AI-powered coding agents. Use when orchestrating CLI commands, automating tasks, configuring agents, or troubleshooting issues.
---

# AI Coding Agents Skill

Expert knowledge for Codex CLI and Claude Code CLI — the two leading AI coding agents.

**Note:** This skill documents both tools for reference. VMark development primarily uses **Claude Code CLI**. The Codex CLI sections are retained for completeness and cross-tool workflows.

## When to Use

- Orchestrating complex coding tasks via CLI
- Configuring MCP servers for either tool
- Setting up automation pipelines (CI/CD)
- Troubleshooting authentication or sandbox issues
- Comparing capabilities between agents
- Custom agent/subagent configuration

## Quick Reference

### Starting Sessions

| Task                | Codex CLI             | Claude Code CLI        |
| ------------------- | --------------------- | ---------------------- |
| Interactive session | `codex`               | `claude`               |
| With prompt         | `codex "fix the bug"` | `claude "fix the bug"` |
| Non-interactive     | `codex exec "task"`   | `claude -p "task"`     |
| Resume last         | `codex resume --last` | `claude -c`            |
| Resume by ID        | `codex resume <id>`   | `claude -r <id>`       |

### Safety Modes

| Mode            | Codex CLI               | Claude Code CLI                  |
| --------------- | ----------------------- | -------------------------------- |
| Read-only       | `-s read-only`          | `--permission-mode plan`         |
| Workspace write | `-s workspace-write`    | (default)                        |
| Full access     | `-s danger-full-access` | `--dangerously-skip-permissions` |
| Auto mode       | `--full-auto`           | `--permission-mode default`      |
| YOLO mode       | `--yolo`                | `--dangerously-skip-permissions` |

### Model Selection

| Task           | Codex CLI        | Claude Code CLI           |
| -------------- | ---------------- | ------------------------- |
| Select model   | `-m gpt-5-codex` | `--model opus`            |
| Use local OSS  | `--oss`          | N/A                       |
| Fallback model | N/A              | `--fallback-model sonnet` |

---

## Codex CLI (OpenAI)

### Installation

```bash
npm i -g @openai/codex
# or
brew install --cask codex
```

### Authentication

```bash
codex login              # OAuth via ChatGPT
codex login --with-api-key   # Read API key from stdin
codex login status       # Check auth status
codex logout             # Remove credentials
```

### Core Commands

#### `codex` - Interactive Mode

```bash
codex                           # Start TUI
codex "fix all TypeScript errors"  # With initial prompt
codex -i screenshot.png "explain"  # With image
codex --full-auto "refactor"    # Low-friction mode
codex --search "find docs"      # Enable web search
```

#### `codex exec` - Non-Interactive

```bash
codex exec "write tests"        # Run and exit
codex e "task"                  # Short alias
echo "task" | codex exec -      # From stdin
codex exec --json "task"        # JSONL output
codex exec -o result.txt "task" # Save to file
codex exec --output-schema schema.json "task"  # Validate output
```

#### `codex resume` - Continue Sessions

```bash
codex resume                    # Interactive picker
codex resume --last             # Most recent
codex resume --all              # Show all (any directory)
codex resume <session-id>       # Specific session
codex resume <id> "continue with this"  # With prompt
```

#### `codex review` - Code Review

```bash
codex review                    # Review current branch vs main
codex review --uncommitted      # Review uncommitted changes
codex review --base develop     # Against specific branch
codex review --commit abc123    # Review specific commit
codex review "focus on security"  # Custom instructions
```

#### `codex apply` - Apply Cloud Task

```bash
codex apply <task-id>           # Apply diff from cloud task
```

#### `codex cloud` - Cloud Tasks (Experimental)

```bash
codex cloud                     # Browse cloud tasks
codex cloud exec "task" --env <env-id>  # Submit task
codex cloud status <task-id>    # Check status
codex cloud diff <task-id>      # Show diff
codex cloud apply <task-id>     # Apply changes
```

#### `codex mcp` - MCP Server Management

```bash
codex mcp list                  # List servers
codex mcp list --json           # JSON output
codex mcp get <name>            # Server details
codex mcp add <name> -- npx my-server   # Add stdio server
codex mcp add <name> --url https://... # Add HTTP server
codex mcp add <name> --env API_KEY=xxx -- cmd  # With env vars
codex mcp remove <name>         # Remove server
codex mcp login <name> --scopes read,write  # OAuth for HTTP
codex mcp logout <name>         # Remove OAuth
```

#### `codex sandbox` - Run Sandboxed Commands

```bash
# macOS
codex sandbox macos -- npm test
codex sandbox seatbelt --full-auto -- ./script.sh

# Linux
codex sandbox linux -- npm test
codex sandbox landlock -- ./script.sh
```

#### `codex completion` - Shell Completions

```bash
codex completion bash >> ~/.bashrc
codex completion zsh >> ~/.zshrc
codex completion fish > ~/.config/fish/completions/codex.fish
```

### Slash Commands (Interactive)

| Command          | Purpose                                 |
| ---------------- | --------------------------------------- |
| `/model`         | Switch model (gpt-5-codex, gpt-5, etc.) |
| `/approvals`     | Change approval policy                  |
| `/compact`       | Summarize conversation, free context    |
| `/diff`          | Show git diff                           |
| `/review`        | Analyze working tree                    |
| `/status`        | Show config and token usage             |
| `/mcp`           | List available MCP tools                |
| `/mention`       | Attach files                            |
| `/fork`          | Branch conversation                     |
| `/resume`        | Reopen previous session                 |
| `/new`           | Fresh conversation                      |
| `/init`          | Create AGENTS.md scaffold               |
| `/feedback`      | Submit logs/diagnostics                 |
| `/quit`, `/exit` | Exit CLI                                |

### Configuration (`~/.codex/config.toml`)

```toml
model = "gpt-5-codex"
approval_policy = "on-request"

[sandbox]
mode = "workspace-write"

[features]
web_search = true

[profiles.ci]
model = "gpt-4.1"
approval_policy = "never"
```

### Global Flags

```
-m, --model <MODEL>          Model selection
-s, --sandbox <MODE>         read-only|workspace-write|danger-full-access
-a, --ask-for-approval <P>   untrusted|on-failure|on-request|never
-c, --config <KEY=VALUE>     Override config
-C, --cd <DIR>               Working directory
-i, --image <FILE>           Attach image(s)
-p, --profile <NAME>         Config profile
--full-auto                  Low-friction mode
--yolo                       Bypass all safety (DANGEROUS)
--search                     Enable web search
--add-dir <DIR>              Grant additional write access
--enable <FEATURE>           Enable feature flag
--disable <FEATURE>          Disable feature flag
--oss                        Use local OSS model
```

---

## Claude Code CLI (Anthropic)

### Installation

```bash
npm install -g @anthropic-ai/claude-code
```

### Authentication

```bash
claude                      # First run prompts login
claude setup-token          # Set up long-lived token
# Requires Claude Pro/Max subscription OR API key
```

### Core Commands

#### `claude` - Interactive Mode

```bash
claude                          # Start REPL
claude "explain this project"   # With prompt
claude -c                       # Continue last conversation
claude -r "session-name"        # Resume by name/ID
claude --model opus             # Select model
claude --chrome                 # Enable Chrome integration
claude --ide                    # Auto-connect to IDE
```

#### `claude -p` - Print Mode (Non-Interactive)

```bash
claude -p "explain this function"   # Query and exit
cat file | claude -p "explain"      # Process piped input
claude -p --output-format json "q"  # JSON output
claude -p --output-format stream-json "q"  # Streaming JSON
claude -p --max-turns 3 "task"      # Limit agent turns
claude -p --max-budget-usd 5 "task" # Spending limit
claude -p --json-schema '{...}' "q" # Validate output schema
```

#### `claude mcp` - MCP Server Management

```bash
claude mcp list                 # List servers
claude mcp get <name>           # Server details
claude mcp add <name> <cmd>     # Add stdio server
claude mcp add -t http <name> <url>  # Add HTTP server
claude mcp add -e KEY=val <name> -- cmd  # With env vars
claude mcp add -H "Auth: Bearer x" <name> <url>  # With headers
claude mcp add -s project <name> <cmd>  # Project scope
claude mcp remove <name>        # Remove server
claude mcp serve                # Run as MCP server
claude mcp add-from-claude-desktop   # Import from desktop app
claude mcp reset-project-choices     # Reset approvals
```

#### `claude plugin` - Plugin Management

```bash
claude plugin list              # List plugins
claude plugin install <name>    # Install plugin
claude plugin install <name>@marketplace  # From specific marketplace
claude plugin uninstall <name>  # Remove plugin
claude plugin enable <name>     # Enable disabled plugin
claude plugin disable <name>    # Disable plugin
claude plugin update <name>     # Update plugin
claude plugin validate <path>   # Validate manifest
claude plugin marketplace       # Manage marketplaces
```

#### `claude update` - Self-Update

```bash
claude update                   # Check and install updates
```

#### `claude doctor` - Diagnostics

```bash
claude doctor                   # Check health/issues
```

#### `claude install` - Native Build

```bash
claude install                  # Install native build
claude install stable           # Specific version
claude install latest           # Latest version
```

### Slash Commands (Interactive)

| Command          | Purpose                   |
| ---------------- | ------------------------- |
| `/init`          | Generate CLAUDE.md        |
| `/clear`         | Reset context             |
| `/compact`       | Summarize conversation    |
| `/bug`           | Report issues             |
| `/doctor`        | Run diagnostics           |
| `/model`         | Switch model              |
| `/config`        | View/edit settings        |
| `/permissions`   | Manage permissions        |
| `/memory`        | View/edit memory          |
| `/project:<cmd>` | Project-specific commands |
| `/user:<cmd>`    | User-specific commands    |

### Custom Commands

Create `.claude/commands/fix-issue.md`:

```markdown
Fix GitHub issue #$ARGUMENTS

1. Read the issue details
2. Identify the problem
3. Implement the fix
4. Write tests
5. Create a commit
```

Usage: `/project:fix-issue 1234`

### Configuration

**User settings** (`~/.claude/settings.json`):

```json
{
  "model": "claude-sonnet-4-5-20250929",
  "verbose": false,
  "theme": "dark"
}
```

**Project settings** (`.claude/settings.json`):

```json
{
  "allowedTools": ["Bash(git:*)", "Read", "Edit"],
  "disallowedTools": ["Bash(rm:*)"]
}
```

### CLI Flags

#### Core

```
-p, --print                 Non-interactive mode
-c, --continue              Continue last conversation
-r, --resume <ID>           Resume specific session
-v, --version               Show version
```

#### Model & Config

```
--model <MODEL>             sonnet|opus|haiku or full name
--fallback-model <MODEL>    Fallback when overloaded
--settings <FILE>           Load settings JSON
--setting-sources <LIST>    user,project,local
--session-id <UUID>         Use specific session ID
```

#### System Prompt

```
--system-prompt <TEXT>      Replace default prompt
--append-system-prompt <T>  Append to default
--system-prompt-file <F>    Replace with file (print only)
--append-system-prompt-file Replace with file (print only)
```

#### Agent & Tools

```
--agent <NAME>              Specify agent
--agents <JSON>             Define custom subagents
--tools <LIST>              Restrict built-in tools
--allowedTools <LIST>       Auto-approve tools
--disallowedTools <LIST>    Remove tools from context
```

#### Permissions

```
--permission-mode <MODE>    acceptEdits|bypassPermissions|default|delegate|dontAsk|plan
--dangerously-skip-permissions  Skip all prompts (DANGEROUS)
--allow-dangerously-skip-permissions  Enable bypass option
```

#### Output

```
--output-format <FMT>       text|json|stream-json
--input-format <FMT>        text|stream-json
--include-partial-messages  Include streaming chunks
--verbose                   Verbose logging
--debug [FILTER]            Debug mode with filtering
```

#### Advanced

```
--max-turns <N>             Limit agent turns (print only)
--max-budget-usd <AMT>      Spending limit (print only)
--json-schema <SCHEMA>      Validate JSON output
--chrome / --no-chrome      Chrome integration
--ide                       IDE auto-connect
--fork-session              Create new session on resume
--no-session-persistence    Don't save session
--add-dir <DIRS>            Additional directories
--plugin-dir <DIRS>         Load plugins
--disable-slash-commands    Disable all skills
--mcp-config <FILES>        MCP server configs
--strict-mcp-config         Only use specified MCP
--betas <HEADERS>           Beta API headers
```

### Custom Subagents

```bash
claude --agents '{
  "reviewer": {
    "description": "Code reviewer. Use after changes.",
    "prompt": "You are a senior code reviewer...",
    "tools": ["Read", "Grep", "Glob"],
    "model": "sonnet"
  }
}'
```

---

## Common Patterns & Edge Cases

### CI/CD Integration

**Codex in GitHub Actions:**

```yaml
- name: Run Codex
  run: |
    echo "${{ secrets.OPENAI_API_KEY }}" | codex login --with-api-key
    codex exec --json -o result.txt "fix linting errors"
```

**Claude in CI:**

```yaml
- name: Run Claude
  env:
    ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
  run: |
    claude -p --output-format json "review this PR" > review.json
```

### Handling Rate Limits

**Codex:** Automatic backoff built-in.

**Claude:** Use `--fallback-model`:

```bash
claude -p --fallback-model haiku "quick task"
```

### Working with Large Codebases

```bash
# Codex: Use /compact to free context
# In session: /compact

# Claude: Use /compact or start fresh
claude --no-session-persistence -p "analyze src/"
```

### Multi-Directory Access

```bash
# Codex
codex --add-dir ../shared-lib --add-dir ../config

# Claude
claude --add-dir ../shared-lib ../config
```

### Structured Output

**Codex:**

```bash
codex exec --output-schema schema.json "generate API spec"
```

**Claude:**

```bash
claude -p --json-schema '{"type":"object","properties":{"name":{"type":"string"}}}' "extract data"
```

### Image Input

**Codex:**

```bash
codex -i screenshot.png "explain this UI"
codex -i img1.png -i img2.png "compare these"
```

**Claude:**

```bash
# Via file reference in prompt
claude "analyze the image at ./screenshot.png"
```

### Session Forking

```bash
# Codex: /fork in session

# Claude
claude -r "session-id" --fork-session "try alternative approach"
```

### MCP Server Debugging

**Codex:**

```bash
codex mcp list --json | jq .
```

**Claude:**

```bash
claude --debug "mcp" --mcp-config ./mcp.json
```

---

## Troubleshooting

### Authentication Issues

| Problem        | Codex                         | Claude                    |
| -------------- | ----------------------------- | ------------------------- |
| Not logged in  | `codex login status`          | `claude doctor`           |
| Token expired  | `codex logout && codex login` | `claude setup-token`      |
| API key issues | Check `OPENAI_API_KEY`        | Check `ANTHROPIC_API_KEY` |

### Sandbox Issues

| Problem            | Solution                                                      |
| ------------------ | ------------------------------------------------------------- |
| Permission denied  | Use `--add-dir` for specific directories                      |
| Can't run commands | Check sandbox mode, use `workspace-write`                     |
| Network blocked    | Sandbox may block network; use `danger-full-access` carefully |

### MCP Server Issues

| Problem           | Solution                                        |
| ----------------- | ----------------------------------------------- |
| Server not found  | Check `mcp list`, verify installation           |
| Connection failed | Check server logs, verify URL/command           |
| Auth required     | Use `mcp login` (Codex) or add headers (Claude) |

### Performance Issues

| Problem          | Solution                                 |
| ---------------- | ---------------------------------------- |
| Slow responses   | Use lighter model (gpt-4.1-mini / haiku) |
| Context overflow | Use `/compact` to summarize              |
| High costs       | Set `--max-budget-usd` (Claude)          |

---

## Best Practices

1. **Start with read-only** for exploration, escalate as needed
2. **Use sessions** - resume work instead of starting fresh
3. **Create AGENTS.md/CLAUDE.md** for project-specific instructions
4. **Leverage MCP servers** for external integrations
5. **Use structured output** in CI/CD for parsing
6. **Set spending limits** with `--max-budget-usd`
7. **Review diffs** before applying (`/diff`, `codex cloud diff`)
8. **Commit checkpoints** before major changes
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