Cline CLI v3.0.27 adds `skill` command and MCP install wizard
Cline CLI `v3.0.27` ships a new `cline skill` command for managing skills, a prefilled MCP install wizard, improved OAuth error handling, and stricter input validation that rejects unknown or malformed commands.
Score breakdown
The stricter input validation closes a silent failure mode where malformed arguments were treated as prompts, and the new `cline skill` command brings skill management to parity with the existing plugin and MCP command surface.
- 01New `cline skill` command installs and manages skills, matching `cline plugin install` and `cline mcp`.
- 02Skills installed via `cline skill` default to the Cline agent directory.
- 03A prefilled MCP install wizard command was added for quicker MCP server setup.
Cline CLI `v3.0.27` expands the CLI's skill management surface with a new `cline skill` command, designed to install and manage skills in a way that mirrors the existing `cline plugin install` and `cline mcp` commands. Skills installed via this command default to the Cline agent directory.
On the MCP side, the release adds a prefilled MCP install wizard command intended to make MCP server setup faster.
On the MCP side, the release adds a prefilled MCP install wizard command intended to make MCP server setup faster. Error handling around plugin MCP OAuth authorization failures has also been improved, with clearer messaging when authorization goes wrong. Finally, the CLI now enforces stricter input validation: unknown commands and unquoted multi-word input are rejected with an explicit error rather than being silently interpreted as a prompt, closing a class of silent failure modes.
Key facts
- 01New `cline skill` command installs and manages skills, matching `cline plugin install` and `cline mcp`.
- 02Skills installed via `cline skill` default to the Cline agent directory.
- 03A prefilled MCP install wizard command was added for quicker MCP server setup.
- 04Error handling and messaging improved when plugin MCP OAuth authorization fails.
- 05The CLI now rejects unknown commands and unquoted multi-word input with a clear error instead of silently treating them as a prompt.
- 06Released as `cli-v3.0.27` on 2026-06-17.
Topics
Summary and scoring are generated automatically from the original article. We always link back to the publisher and never republish images or paywalled content. Last processed Jun 17, 2026 · 10:39 UTC. How this works →