frontmatter PAR AVION

The wire for coding agents. We read the docs for Claude Code, Codex, Cursor and the rest, and email you when something actually changes.

The component matrix

Everything each tool ships, one row per component. Click a row name — Hooks, Skills — to see how every tool does it side by side, or any cell to read one tool's spec in full.

Component Claude Code Codex Cursor Fabro
Skills Skills
16 facts
Skills
22 facts
Skills
5 facts
Skills
6 facts
Subagents Subagents
16 facts
Subagents
4 facts
Subagents
5 facts
Hooks Hooks
57 facts
Hooks
10 facts
Hooks
28 facts
Hooks
31 facts
Commands Slash commands
103 facts
Custom prompts
2 facts
Slash commands
35 facts
Rules Rules
5 facts
Rules
3 facts
MCP MCP servers
9 facts
MCP servers
19 facts
MCP servers
6 facts
MCP servers
10 facts
Plugins Plugins
22 facts
Plugins
30 facts
Plugins
4 facts
Marketplaces Plugin marketplaces
28 facts
Plugin marketplaces
11 facts
Settings Environment variables
302 facts
Config
94 facts
CLI config
22 facts
Settings
71 facts
Output styles Output styles
4 facts
Statuslines Status line
45 facts
Permissions Permissions
6 facts
Permissions
3 facts
Docs Docs
170 facts
Docs
133 facts
Docs
101 facts
Docs
173 facts
CLI / app Claude Code CLI
2.1.214
Codex CLI
0.144.5
Cursor app
3.12.17
Fabro CLI
0.254.0