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feat(connectd): @bin/<file> — spawn a bundled native MCP server binary

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Adds @bin/<file> command resolution alongside @node/@bundled: resolves to a native binary in the
bundled-servers dir, spawned directly (no Node runtime). Enables native MCP connectors like the Go
whatsapp-mcp. Typecheck clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Tim Lingo
2026-06-27 14:23:20 -05:00
parent a01236753a
commit fed166202e
1 changed files with 6 additions and 1 deletions
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src/bridge.ts
+6 -1
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@@ -32,6 +32,8 @@ export function namespacedName(serverId: string, tool: string): string {
// Node we ship in the .app), used to spawn pre-bundled MCP servers.
// arg "@bundled/<file>" → a pre-bundled MCP server shipped alongside the bridge (e.g. the
// filesystem server for "Your files"), so it runs offline without npx.
// command "@bin/<file>" → a pre-bundled NATIVE MCP server binary shipped alongside the bridge
// (e.g. the Go whatsapp-mcp), spawned directly (no Node runtime).
// The bundled-servers dir is the app's resources/.../neuron-connectd/servers (set by the daemons
// launcher via NEURON_CONNECTD_BUNDLE_DIR; falls back to a path next to the running bundle).
function bundledServersDir(): string {
@@ -39,7 +41,10 @@ function bundledServersDir(): string {
}
function resolveRuntimeCommand(command: string): string {
return command === "@node" ? process.execPath : command;
if (command === "@node") return process.execPath;
// "@bin/<file>": a bundled native binary (e.g. whatsapp-mcp). Resolve to the bundled-servers dir.
if (command.startsWith("@bin/")) return join(bundledServersDir(), command.slice("@bin/".length));
return command;
}
function resolveBundledArg(arg: string): string {