canvas/src/components/ProviderModelSelector.tsx

@@ -28,6 +28,7 @@ import { useId, useMemo } from "react";
 export interface SelectorModel {
   id: string;
   name?: string;
+  provider?: string;
   required_env?: string[];
 }
 
@@ -88,6 +89,7 @@ interface Props {
 /** Vendor keys → human label. Add new vendors here when templates pick
  *  up new model families. */
 const VENDOR_LABELS: Record<string, string> = {
+  "platform": "Platform",
   "anthropic-oauth": "Claude Code subscription",
   anthropic: "Anthropic API",
   minimax: "MiniMax",
@@ -118,6 +120,8 @@ const VENDOR_LABELS: Record<string, string> = {
 
 /** Optional per-vendor tooltip shown on hover. */
 const VENDOR_TOOLTIPS: Record<string, string> = {
+  "platform":
+    "Use the Molecule platform-managed LLM proxy. No vendor API key is required.",
   "anthropic-oauth":
     "Use your Claude.ai (Pro/Max/Team) subscription via OAuth. Run `claude login` in the workspace terminal to mint the token, then paste it here. No API spend.",
   anthropic:
@@ -165,6 +169,9 @@ const BARE_VENDOR_PATTERNS: Array<{ test: (id: string) => boolean; vendor: strin
 /** Infer a vendor key from a model spec. Combines id-prefix and env
  *  signals. Exported for tests. */
 export function inferVendor(model: SelectorModel): string {
+  const explicitProvider = model.provider?.trim().toLowerCase();
+  if (explicitProvider) return explicitProvider;
+
   const id = model.id || "";
   const envSet = new Set(model.required_env ?? []);
 

canvas/src/components/__tests__/ProviderModelSelector.test.tsx

@@ -44,6 +44,14 @@ const HERMES_MODELS: SelectorModel[] = [
 ];
 
 describe("inferVendor", () => {
+  it("uses explicit provider metadata before slug heuristics", () => {
+    expect(inferVendor({
+      id: "moonshot/kimi-k2.6",
+      provider: "platform",
+      required_env: [],
+    })).toBe("platform");
+  });
+
   it("uses slash prefix when present", () => {
     expect(inferVendor({ id: "nousresearch/hermes-4-70b", required_env: ["HERMES_API_KEY"] }))
       .toBe("nousresearch");
@@ -105,6 +113,22 @@ describe("buildProviderCatalog", () => {
     expect(oauth!.models.map((m) => m.id).sort()).toEqual(["haiku", "opus", "sonnet"]);
   });
 
+  it("labels explicit platform-managed providers", () => {
+    const catalog = buildProviderCatalog([
+      {
+        id: "moonshot/kimi-k2.6",
+        name: "Kimi K2.6",
+        provider: "platform",
+        required_env: [],
+      },
+    ]);
+    expect(catalog[0]).toMatchObject({
+      vendor: "platform",
+      label: "Platform",
+      envVars: [],
+    });
+  });
+
   it("flags wildcard providers", () => {
     const catalog = buildProviderCatalog(HERMES_MODELS);
     const hf = catalog.find((p) => p.vendor === "huggingface");

canvas/src/lib/deploy-preflight.ts

@@ -21,6 +21,7 @@ import { api } from "./api";
 export interface ModelSpec {
   id: string;
   name?: string;
+  provider?: string;
   required_env?: string[];
 }
 

workspace-server/internal/handlers/templates.go

@@ -77,6 +77,7 @@ func NewTemplatesHandler(configsDir string, dockerCli *client.Client, wh *Worksp
 type modelSpec struct {
 	ID          string   `json:"id" yaml:"id"`
 	Name        string   `json:"name,omitempty" yaml:"name"`
+	Provider    string   `json:"provider,omitempty" yaml:"provider"`
 	RequiredEnv []string `json:"required_env,omitempty" yaml:"required_env"`
 }
 

workspace-server/internal/handlers/templates_test.go

@@ -155,6 +155,7 @@ runtime_config:
       required_env: [HERMES_API_KEY]
     - id: minimax/minimax-m2.7
       name: MiniMax M2.7 (via OpenRouter)
+      provider: platform
       required_env: [OPENROUTER_API_KEY]
 skills: []
 `
@@ -197,6 +198,9 @@ skills: []
 	if got.Models[1].ID != "minimax/minimax-m2.7" {
 		t.Errorf("Models[1].ID: got %q", got.Models[1].ID)
 	}
+	if got.Models[1].Provider != "platform" {
+		t.Errorf("Models[1].Provider: got %q", got.Models[1].Provider)
+	}
 	if len(got.Models[1].RequiredEnv) != 1 || got.Models[1].RequiredEnv[0] != "OPENROUTER_API_KEY" {
 		t.Errorf("Models[1] required_env: want [OPENROUTER_API_KEY], got %+v", got.Models[1].RequiredEnv)
 	}