Compatibility Matrix

This matrix is generated from the repo-owned platform rules and verification surface. Use the new-host support gate before turning any generated target or fixture into a support claim. Verification labels:

Release smoke: exercised end to end by the real CLI against the real example plugins on the core four.
Generator fixture: covered by the repo build/test fixture layer.

Platform	Status	Docs Basis	Manifest	Hooks	MCP	Instructions	Verification
Claude Code	Primary	Official docs audited	.claude-plugin/plugin.json	hooks/hooks.json, .claude-plugin/plugin.json, managed settings, ~/.claude/settings.json, .claude/settings.json, .claude/settings.local.json	.mcp.json, ~/.claude.json, managed-mcp.json, .claude-plugin/plugin.json	CLAUDE.md	Release smoke + Generator fixture
Cursor	Primary	Official docs audited	.cursor-plugin/plugin.json	hooks/hooks.json, .cursor/hooks.json, ~/.cursor/hooks.json	mcp.json, .cursor/mcp.json, ~/.cursor/mcp.json	rules/, AGENTS.md	Release smoke + Generator fixture
Codex	Primary	Official docs audited	.codex-plugin/plugin.json	hooks/hooks.json, .codex/hooks.json, ~/.codex/hooks.json	.mcp.json, .codex/config.toml	AGENTS.md, AGENTS.override.md	Release smoke + Generator fixture
OpenCode	Primary	Official docs audited	opencode.json, .opencode/plugins/, ~/.config/opencode/plugins/	plugin module (index.ts/index.js)	opencode.json	AGENTS.md, CLAUDE.md, opencode.json	Release smoke + Generator fixture
GitHub Copilot	Beta	Inherits Claude Code packaging	.claude-plugin/plugin.json	hooks/hooks.json, .claude-plugin/plugin.json, managed settings, ~/.claude/settings.json, .claude/settings.json, .claude/settings.local.json	.mcp.json, ~/.claude.json, managed-mcp.json, .claude-plugin/plugin.json	CLAUDE.md	Generator fixture
OpenHands	Beta	Official docs audited	.plugin/plugin.json	hooks/hooks.json	.mcp.json	AGENTS.md	Generator fixture
Warp	Beta	Official docs audited	No dedicated manifest	No documented standalone hook surface	mcp.json	AGENTS.md, WARP.md	Generator fixture
Gemini CLI	Beta	Official docs audited	gemini-extension.json	hooks/hooks.json	gemini-extension.json	GEMINI.md	Generator fixture
Roo Code	Beta	Official docs audited	No dedicated manifest	No documented standalone hook surface	.roo/mcp.json, mcp_settings.json	.roo/rules/, .roo/rules-/, .roorules, .roorules-	Generator fixture
Cline	Beta	Official docs audited	No dedicated manifest	.clinerules/hooks/	.cline/mcp.json	.clinerules/, AGENTS.md	Generator fixture
AMP	Beta	Official docs audited	No dedicated manifest	.amp/settings.json	.amp/settings.json, ~/.config/amp/settings.json	AGENTS.md, AGENT.md	Generator fixture
Agent Plugins v1	Portable	Official docs audited	plugin.json	No documented standalone hook surface	mcp.json	None documented	Generator fixture

Notes

The prime-time launch path remains Claude Code, Cursor, Codex, and OpenCode.
Agent Plugins v1 is an opt-in portable package floor for skills and representable MCP; it is not a fifth native host and receives no invented installer.
GitHub Copilot currently inherits the Claude Code packaging model in Pluxx rather than using its own separately audited plugin surface.
Beta platforms are generated and fixture-tested, but they do not yet have the same release-smoke coverage as the core four.

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Compatibility Matrix

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