Is Cursor or Amp open source?

Cursor is proprietary. Amp is proprietary.

Can I reuse Agent Skills between Cursor and Amp?

Yes. Both read the open Agent Skills (SKILL.md) format, so the same skill folder works in both.

Comparison

How the two compare on the things that decide whether your setup carries over: open standards, license, models and where they run.

Both are proprietary products from their vendors.
Cursor also runs in CLI, Web; Amp also runs in Terminal.
Cursor supports ACP; we have not verified it for Amp.
Both support MCP, Agent Skills, AGENTS.md, so MCP servers, skills and repo instructions you set up carry over if you switch.

Cursor

AI editor and coding agent. Supports MCP, Agent Skills, AGENTS.md, and runs as both an ACP agent and client.

Amp

Frontier coding agent for terminal and editor. Co-created the AGENTS.md convention and supports Agent Skills.

Is Cursor or Amp open source?: Cursor is proprietary. Amp is proprietary.
Do Cursor and Amp support MCP servers?: Cursor: yes. Amp: yes.
Can I reuse Agent Skills between Cursor and Amp?: Yes. Both read the open Agent Skills (SKILL.md) format, so the same skill folder works in both.

Reviewed Oct 5, 2026.