Cline is an open-source AI coding assistant for VS Code that features dual Plan/Act modes, terminal execution capabilities, and the Model Context Protocol (MCP) for custom tool creation. It serves as a fully collaborative AI partner for developers.

How is Cline different from GitHub Copilot?

Cline is open-source and offers unique features like Plan/Act modes for structured development, terminal command execution, browser automation for testing, and the Model Context Protocol (MCP) for creating custom development tools.

What programming languages does Cline support?

Cline supports all major programming languages and frameworks through its AI models and can execute terminal commands, edit files, and automate browser testing across different technology stacks.

3.17: Global Workflows, UX Improvements, and More

Cline v3.17 brings several solid improvements to enhance your development workflow. The highlight is Global Workflows – a feature many of you have been requesting – along with a redesigned settings interface and expanded provider support.

Global Workflows

The standout feature in this release is global workflows. If you've built a workflow that works brilliantly in one project, you can now share it across all your workspaces.

Here's how it works:

Global workflows live in ~/Documents/Cline/Workflows
Local workflows in .clinerules/workflows/ take precedence

What's New

Major Updates:

Global Workflows for sharing across projects
Claude 4 (Sonnet & Opus) support across all providers (Anthropic, AWS Bedrock, Vertex AI)
Redesigned settings page with tabbed interface
Nebius AI Studio integration (Thanks @Aktsvigun!)
Enhanced Act mode prompts with hotkey suggestions

Fixes & Improvements:

MCP server configuration fixes
Requesty provider model listing
Consolidated advanced settings
AWS Bedrock environment variable handling improvements (Thanks @DaveFres!)
Various stability improvements

Beyond the headline features, we've made several quality-of-life improvements:

Redesigned Settings Page: Split into tabs for easier navigation. When you're managing multiple API keys, model selections, and MCP configurations, organization matters. (Thanks to Yellow Bat @dlab-anton for this contribution!)

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Smart Act Mode Prompts: Cline now highlights and suggests hotkeys when the assistant prompts you to switch to Act mode. It's a small touch that makes the Plan/Act workflow more intuitive.