Files
msd-core/capabilities/vscode/capability.json
Tom Boucher a0fafedfa0 feat(#2103): drive VS Code through the Embeddable Orchestration System (ADR-1239)
VS Code is a net-new EoS runtime that — unlike every prior migration — is NOT
CLI-installed (Marketplace/VSIX extension). It has zero runtime==='vscode'
branches in bin/install.js and stays that way (regression-guarded); it is driven
entirely through the negotiated imperative Host-Integration adapter.

Registry + validator (the hard part):
- capabilities/vscode/capability.json (role:runtime): full hostIntegration block
  (imperative / palette / active vscode.lm model / engine hook bus /
  sandboxed-storage / mcp transport / sandboxed-web runtime; dispatch nested,
  maxDepth 5 per VS Code's documented subagent depth).
- capability-validator.cjs extended so a role:runtime capability can legitimately
  declare "extension-distributed, no config directory": new configHome.kind:'none'
  + installSurface:'none' (+ GATE-A pairing + the parity maps), with localConfigDir
  and configHome.name made conditional on kind!=='none'. All 18 runtimes still
  validate; getDirName returns a distinct sentinel (not '.claude') for a no-config
  runtime.
- The add-a-registry-runtime tax: NON_INSTALLABLE_RUNTIMES exemption in the
  runtime-flags drift guard, vscode added to global-config-home SPECIAL_CASED,
  EXPECTED_PROFILES.vscode='ide', and the config-adapter/derivation/pin-count
  guards updated. No golden-install fixture, model-catalog, or CONFIGURATION rows
  (vscode never enters allRuntimes).

Dispatch + extension surface:
- Fixed vscode/extension.js's createHub()-no-args bug (every dispatch was
  UnknownCommand, masked by a vacuous reachability test) — now reuses the shared
  dispatchGsdCommand subprocess-shim (Node/desktop); the reachability test is
  tightened to assert real dispatch.
- Promoted the #1933 host binding to a shipped vscode/host-binding.js; activate()
  now composes the model/hookBus/stateIO seams through it. Corrected the model
  seam to VS Code's real API (vscode.lm.selectChatModels() -> model.sendRequest();
  vscode.lm.sendRequest does not exist) so the binding actually composes on real
  desktop VS Code instead of throwing.
- New vscode/browser.js Web Extension entry with ZERO Node APIs (the engine's
  config/capability loading is Node-bound, so the web entry registers the surface
  and directs full dispatch to the native MCP server — honestly documented).
- UPGRADE 1: GSD skills as native Language Model Tools (contributes.languageModelTools
  + vscode.lm.registerTool), invoke() dispatching through the hub.
- UPGRADE 2: native subagent dispatch wired onto #runSubagent /
  chat.subagents.allowInvocationsFromSubagents (fail-soft on API availability,
  maxDepth 5 enforced).
- vscode/package.json: browser entry, engines.vscode ^1.105, chatParticipants +
  languageModelTools contributions; fixed a stale activationPoints->activationEvents
  manifest key. Added "vscode" to the package files array.

Docs (## vscode matrix section) + changeset (Added).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-11 23:24:42 -04:00

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JSON

{
"id": "vscode",
"role": "runtime",
"version": "1.7.0-rc.5",
"title": "VS Code",
"description": "VS Code — Marketplace/VSIX extension; no file-projected config directory; IDE-profile reference host (active vscode.lm model, engine-owned hook bus, sandboxed globalState/workspaceState stateIO).",
"tier": "core",
"requires": [],
"engines": {
"gsd": ">=1.7.0"
},
"runtime": {
"configHome": {
"kind": "none",
"name": "vscode",
"env": []
},
"localConfigDir": null,
"configFormat": "none",
"artifactLayout": {
"global": [],
"local": []
},
"commandStyle": "slash-hyphen",
"hooksSurface": "none",
"extensionEvents": "none",
"sandboxTier": "none",
"supportTier": 1,
"installSurface": "none",
"writesSharedSettings": false,
"permissionWriter": null,
"extendedHookEvents": [],
"hostIntegration": {
"embeddingMode": "imperative",
"commandSurface": "palette",
"dispatch": {
"namedDispatch": true,
"nested": true,
"maxDepth": 5,
"background": true,
"subagentToolkit": "undocumented",
"backgroundDispatch": "undocumented"
},
"modelMode": "active",
"hookBus": "engine",
"stateIO": "sandboxed-storage",
"transport": "mcp",
"runtime": "sandboxed-web"
}
}
}