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Dominic Cooney
6acc231da5
Run Cline inference through the VS Code Language Model API (vscode.lm), enabling
models contributed by any extension that registers a language model chat
provider with VS Code. GitHub Copilot is the most common such vendor, but the
implementation is vendor-agnostic — it selects models via
vscode.lm.selectChatModels and has no Copilot-specific logic.
- VsCodeLmHandler implements the Cline SDK ApiHandler and is registered with the
SDK handler registry; the model selector travels as a vendor/family[/version/id]
string in modelId and is parsed back here. Selector segments are
percent-encoded so values containing slashes round-trip intact.
- Native tool calling: tool definitions are passed to sendRequest and tool calls
are surfaced as tool-call chunks; tool results round-trip as
LanguageModelToolResultPart, with structured tool output serialized to text and
a trailing user message appended when a turn ends on tool results so models can
read the output.
- Gated to VS Code: registration is conditioned on the vscode.lm API being
present, and the provider is hidden in the UI on hosts without it (JetBrains).
Depends on @cline/{shared,llms,agents,core} 0.0.42-nightly.1780514867, the first
published SDK build with the custom-registered-handler routing this provider
needs.