Is Cline or Amp open source?

Cline is open source under Apache-2.0. Amp is proprietary.

Can I reuse Agent Skills between Cline and Amp?

Only if both support the Agent Skills format. Check the table above.

Comparison

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

	Cline	Amp
Maker	Cline	Amp
License	Apache-2.0	Proprietary
Models	See vendor docs	See vendor docs
Runs in	IDE, CLI	Terminal, IDE
MCP	MCP: supported	MCP: supported
Agent Skills	?Agent Skills: not yet verified	Agent Skills: supported
AGENTS.md	?AGENTS.md: not yet verified	AGENTS.md: supported
ACP	ACP: supported	?ACP: not yet verified

Cline is open source (Apache-2.0); Amp is proprietary. If you need to self-host, audit or fork the harness, that settles it.
Cline also runs in CLI; Amp also runs in Terminal.
Amp supports Agent Skills; we have not verified it for Cline.
Amp supports AGENTS.md; we have not verified it for Cline.
Cline supports ACP; we have not verified it for Amp.
Both support MCP, so MCP servers, skills and repo instructions you set up carry over if you switch.

Cline

Open-source autonomous coding agent for VS Code and JetBrains with a plan/act workflow and an MCP marketplace.

Amp

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

Is Cline or Amp open source?: Cline is open source under Apache-2.0. Amp is proprietary.
Do Cline and Amp support MCP servers?: Cline: yes. Amp: yes.
Can I reuse Agent Skills between Cline and Amp?: Only if both support the Agent Skills format. Check the table above.

Reviewed Oct 5, 2026.