Terminology Mapper
Map equivalent concepts across AI agentic coding tools
Terminology Mapper
"Skills" in Codex = "Commands" in Claude Code = "Agents" in OpenCode. We cut through the jargon and map equivalent concepts so you can compare actual capabilities.
| Canonical Concept | Definition | Claude Code | OpenAI Codex | GitHub Copilot CLI | Cursor | Google Antigravity | Junie | OpenCode | Windsurf |
|---|---|---|---|---|---|---|---|---|---|
| Reusable Code Block | A reusable piece of prompt logic or functionality that can be invoked |
command
|
skill
|
not supported
|
skill
|
skill
|
skill
|
agent
|
not supported
|
| Interactive Command | A command that users can invoke during a session |
slash command
|
command
|
command
|
command
|
command
|
command
|
slash command
|
slash command
|
| Autonomous Agent | An AI agent that can perform tasks autonomously |
agent
|
agent
|
copilot
|
agent
|
agent
|
agent
|
agent
|
Cascade
|
| User Prompt | Input provided by the user to the AI |
prompt
|
prompt
|
suggestion
|
prompt
|
prompt
|
prompt
|
prompt
|
natural language
|
| Context/History | The conversation history and working memory |
context
|
context
|
editor context
|
context
|
workspace
|
context
|
context
|
workspace
|
| Skill Storage |
Directory for reusable skills (e.g., .claude/commands, .codex/skills)
|
.claude/commands
|
.codex/skills
|
— | — | — | — | — | — |
| External Integration | Connection to external tools and services | MCP | MCP | MCP | MCP | MCP | MCP | MCP | MCP |
| Command Prefix | How to invoke the tool from terminal |
claude
|
codex
|
gh copilot
|
cursor
|
antigravity
|
junie
|
opencode
|
windsurf
|
Translation Examples
"I want to create a reusable code snippet"
- Claude Code Create slash command
- OpenAI Codex Create skill
- GitHub Copilot CLI Not supported
- Cursor Not supported
- Google Antigravity Not supported
- Junie Not supported
- OpenCode Not supported
- Windsurf Not supported
"I want to integrate with external tools"
- Claude Code MCP Server
- OpenAI Codex MCP Server
- GitHub Copilot CLI MCP Server
- Cursor MCP Server
- Google Antigravity MCP Server
- Junie MCP Server
- OpenCode MCP Server
- Windsurf MCP Server
Architecture Overview
| Tool | Core Concept | Storage Format | Key Differentiator |
|---|---|---|---|
| Claude Code | Command |
markdown with frontmatter
|
An agentic coding tool that lives in your terminal, understands you... |
| OpenAI Codex | Skill |
markdown with frontmatter
|
A lightweight coding agent from OpenAI that runs locally in your te... |
| GitHub Copilot CLI | Not supported | Native | GitHub's AI coding assistant integrated into the GitHub CLI. Access... |
| Cursor | Skill | Native | The AI Code Editor. Built on VS Code with AI features including aut... |
| Google Antigravity | Skill | Native | Google's full-stack AI workspace. Build backends, frontends, and mo... |
| Junie | Skill | Native | JetBrains AI coding agent that autonomously writes, tests, and refa... |
| OpenCode | Agent | Native | An intelligent CLI tool that provides a unified interface to AI cod... |
| Windsurf | Not supported | Native | The most intuitive AI coding experience. A next-generation IDE buil... |