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llmgw/internal/vscodeext/ext/README.md
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Ilker ManapandClaude Opus 5.5 38dfe268c9
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VS Code gets the gateway's models from an extension the gateway serves
llmgw's own extension for VS Code, plain JavaScript with no dependencies,
packed into a .vsix by the binary at /setup/vscode/llmgw.vsix with the
serving gateway's address in it, so it needs no build, no Node and no
marketplace. It registers llmgw as a language-model provider: the chat's
model picker, agent mode and any extension that asks VS Code for a model
get every chat model the key may use, sized and with tool and vision
capabilities as the catalog says, streamed, tool calls both ways.

VS Code is a tool on the account page's Connect your editor: a key, the
install command, and an Open in VS Code link that hands the key to the
extension's secret storage. The extension's Sign In opens the page with a
state of its own; a link without it is confirmed, the gateway named, since
it decides where code is sent.

Tested in VS Code 1.138 against the PoC: 27 models listed, an answer from
qwen2.5-0.5b-instruct, and qwen3-coder-30b calling a tool and using its
result (internal/vscodeext/e2e).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-24 01:39:50 +02:00

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# llmgw for VS Code
The models your llmgw gateway serves, in VS Code: in the chat's model
picker, in agent mode, and in any extension that asks VS Code for a language
model. Nothing goes anywhere but the gateway you connect it to.
## Connecting
1. **llmgw: Sign In** from the command palette. It opens your gateway's
account page; sign in there and choose **Make a key and the
configuration** with *VS Code* as the tool. The page hands the key back to
VS Code.
2. Or **llmgw: Enter API Key** and paste a key from that page.
The gateway's address is the `llmgw.gatewayUrl` setting. An extension
downloaded from a gateway has that gateway's address in it already.
The key is kept in VS Code's secret storage. **llmgw: Sign Out** forgets it;
revoke it on the account page to stop it working.
## Which models
Every chat model the key may use. Agent mode acts only through tool calls,
so it needs a model the gateway's catalog says makes them; set
`llmgw.showModelsWithoutTools` to `false` to see only those.
Completion as you type is not part of what VS Code lets a model provider
offer; for that, use an extension such as Continue against the same gateway.