diff --git a/scripts/artifact-registry-local-provider-contract-test.ts b/scripts/artifact-registry-local-provider-contract-test.ts
new file mode 100644
index 00000000..b5581e75
--- /dev/null
+++ b/scripts/artifact-registry-local-provider-contract-test.ts
@@ -0,0 +1,46 @@
+import { readFileSync } from "node:fs";
+
+function assertCondition(condition: unknown, message: string, detail: unknown = {}): void {
+  if (!condition) throw new Error(`${message}: ${JSON.stringify(detail)}`);
+}
+
+const artifactRegistrySource = readFileSync("scripts/src/artifact-registry.ts", "utf8");
+const deploySource = readFileSync("scripts/src/deploy.ts", "utf8");
+
+assertCondition(
+  artifactRegistrySource.includes('function isLocalProvider(providerId: string): boolean'),
+  "artifact-registry must define an explicit local provider predicate",
+);
+assertCondition(
+  artifactRegistrySource.includes('providerId === "local"') && artifactRegistrySource.includes('providerId === "D601-local"'),
+  "local provider predicate must accept only explicit local aliases",
+);
+assertCondition(
+  artifactRegistrySource.includes('runCommand(["bash", "-lc", script], repoRoot, { timeoutMs })'),
+  "local provider must execute the generated artifact script directly with bash -lc",
+);
+assertCondition(
+  artifactRegistrySource.includes('local bash -lc <artifact-registry-${action}-readonly-script>'),
+  "readonly command shape must disclose local execution instead of host.ssh",
+);
+assertCondition(
+  deploySource.includes('providerId: string;'),
+  "deploy options must carry providerId for artifact consumers",
+);
+assertCondition(
+  deploySource.includes('providerId: optionValue(args, ["--provider-id", "--provider"]) ?? "D601"'),
+  "deploy apply must parse provider-id with D601 as the default",
+);
+assertCondition(
+  deploySource.includes('"--provider-id", options.providerId'),
+  "deploy apply must forward provider-id to artifact-registry deploy-service",
+);
+
+process.stdout.write(`${JSON.stringify({
+  ok: true,
+  checks: [
+    "artifact-registry supports an explicit local/D601-local provider for D601 host CLI execution",
+    "local provider runs the same generated scripts through bash -lc without provider SSH self-dispatch",
+    "deploy apply forwards --provider-id to artifact-registry consumers while defaulting to D601",
+  ],
+}, null, 2)}\n`);
diff --git a/scripts/src/artifact-registry.ts b/scripts/src/artifact-registry.ts
index 74ff0d09..683ccbfe 100644
--- a/scripts/src/artifact-registry.ts
+++ b/scripts/src/artifact-registry.ts
@@ -1245,9 +1245,14 @@ function registryRecommendedAction(classification: ArtifactRegistryFailureClassi
 }
 
 function readonlyRemoteCommandShape(action: "status" | "health", options: ArtifactRegistryOptions): string {
+  if (isLocalProvider(options.providerId)) return `local bash -lc <artifact-registry-${action}-readonly-script> timeoutMs=${options.timeoutMs}`;
   return `host.ssh provider=${options.providerId} mode=exec argv=bash -lc <artifact-registry-${action}-readonly-script> timeoutMs=${options.timeoutMs}`;
 }
 
+function isLocalProvider(providerId: string): boolean {
+  return providerId === "local" || providerId === "D601-local";
+}
+
 function classifyProviderSshCommandFailure(command: CommandResult): ArtifactRegistryFailureClassification {
   const output = `${command.stderr}\n${command.stdout}`.toLowerCase();
   if (command.timedOut || output.includes("timed out") || output.includes("timeout")) return "remote-command-timeout";
@@ -1652,8 +1657,11 @@ function artifactRegistryDeployJsonMirrors(
 }
 
 function runRemoteScript(options: ArtifactRegistryOptions, script: string, timeoutMs = options.timeoutMs, runtime: ArtifactRegistryCommandRuntime = {}): CommandResult {
-  const command = [process.execPath, "scripts/cli.ts", "ssh", options.providerId, "argv", "bash", "-lc", script];
   if (runtime.runRemoteScriptForTest !== undefined) return runtime.runRemoteScriptForTest(options, script, timeoutMs);
+  if (isLocalProvider(options.providerId)) {
+    return runCommand(["bash", "-lc", script], repoRoot, { timeoutMs });
+  }
+  const command = [process.execPath, "scripts/cli.ts", "ssh", options.providerId, "argv", "bash", "-lc", script];
   return runCommand(command, repoRoot, { timeoutMs });
 }
 
diff --git a/scripts/src/check.ts b/scripts/src/check.ts
index 4bfbd9d9..b85e53ce 100644
--- a/scripts/src/check.ts
+++ b/scripts/src/check.ts
@@ -461,6 +461,7 @@ export async function runChecks(config: UniDeskConfig, options: CheckOptions = d
       fileItem("scripts/src/ci.ts"),
       fileItem("scripts/src/e2e.ts"),
       fileItem("scripts/deploy-artifact-matrix-contract-test.ts"),
+      fileItem("scripts/artifact-registry-local-provider-contract-test.ts"),
       fileItem("scripts/decision-center-diary-summary-contract-test.ts"),
       fileItem("scripts/decision-center-desired-state-contract-test.ts"),
       fileItem("scripts/code-queue-prompt-observation-test.ts"),
@@ -524,6 +525,7 @@ export async function runChecks(config: UniDeskConfig, options: CheckOptions = d
     items.push(await commandItem("provider:runner-triage-contract", ["bun", "scripts/provider-runner-triage-contract-test.ts"], 30_000, process.env, options.checkHeartbeatMs));
     items.push(await commandItem("ssh:argv-guidance-contract", ["bun", "scripts/ssh-argv-guidance-contract-test.ts"], 30_000, process.env, options.checkHeartbeatMs));
     items.push(await commandItem("deploy:artifact-matrix-contract", ["bun", "scripts/deploy-artifact-matrix-contract-test.ts"], 90_000, process.env, options.checkHeartbeatMs));
+    items.push(await commandItem("artifact-registry:local-provider-contract", ["bun", "scripts/artifact-registry-local-provider-contract-test.ts"], 30_000, process.env, options.checkHeartbeatMs));
     items.push(await commandItem("decision-center:diary-summary-contract", ["bun", "scripts/decision-center-diary-summary-contract-test.ts"], 30_000, process.env, options.checkHeartbeatMs));
     items.push(await commandItem("decision-center:desired-state-contract", ["bun", "scripts/decision-center-desired-state-contract-test.ts"], 30_000, process.env, options.checkHeartbeatMs));
     items.push(await commandItem("code-queue:active-run-heartbeat-visible", ["bun", "scripts/code-queue-liveness-diagnostics-test.ts", "--only", "code-queue:active-run-heartbeat-visible"], 30_000, process.env, options.checkHeartbeatMs));
@@ -574,6 +576,7 @@ export async function runChecks(config: UniDeskConfig, options: CheckOptions = d
     items.push(skippedItem("provider:runner-triage-contract", "Provider runner triage contract is opt-in with script checks", "--scripts-typecheck or --full"));
     items.push(skippedItem("ssh:argv-guidance-contract", "SSH argv guidance and failure hint contract is opt-in with script checks", "--scripts-typecheck or --full"));
     items.push(skippedItem("deploy:artifact-matrix-contract", "deploy artifact matrix contract is opt-in with script checks", "--scripts-typecheck or --full"));
+    items.push(skippedItem("artifact-registry:local-provider-contract", "artifact registry local provider contract is opt-in with script checks", "--scripts-typecheck or --full"));
     items.push(skippedItem("decision-center:diary-summary-contract", "Decision Center diary summary contract is opt-in with script checks", "--scripts-typecheck or --full"));
     items.push(skippedItem("decision-center:desired-state-contract", "Decision Center desired-state drift contract is opt-in with script checks", "--scripts-typecheck or --full"));
     items.push(skippedItem("code-queue:liveness-diagnostics-fixtures", "Code Queue liveness diagnostics fixtures are opt-in with script checks", "--scripts-typecheck or --full"));
diff --git a/scripts/src/deploy.ts b/scripts/src/deploy.ts
index 7c7345db..17d92dac 100644
--- a/scripts/src/deploy.ts
+++ b/scripts/src/deploy.ts
@@ -40,6 +40,7 @@ interface DeployOptions {
   environment: DeployEnvironment | null;
   serviceId: string | null;
   commitOverride: string | null;
+  providerId: string;
   runNow: boolean;
   dryRun: boolean;
   force: boolean;
@@ -221,7 +222,7 @@ export function deployHelp(action: string | undefined = undefined): Record<strin
     usage: {
       check: "bun scripts/cli.ts deploy check [--file deploy.json | --env dev|prod] [--service id]",
       plan: "bun scripts/cli.ts deploy plan [--file deploy.json | --env dev|prod] [--service id]",
-      apply: "bun scripts/cli.ts deploy apply [--file deploy.json | --env dev|prod] [--service id] [--commit full-sha] [--dry-run] [--force] [--timeout-ms N] [--run-now]",
+      apply: "bun scripts/cli.ts deploy apply [--file deploy.json | --env dev|prod] [--service id] [--commit full-sha] [--dry-run] [--force] [--timeout-ms N] [--provider-id D601|local] [--run-now]",
       guard: "bun scripts/cli.ts deploy guard code-queue-source [--root /home/ubuntu/cq-deploy]",
     },
     actions: {
@@ -244,6 +245,7 @@ export function deployHelp(action: string | undefined = undefined): Record<strin
       { name: "--dry-run", description: "Prepare and validate without mutating the target service." },
       { name: "--force", description: "Redeploy even when the live commit appears up to date." },
       { name: "--timeout-ms <n>", default: defaultTimeoutMs, description: "Per-step timeout budget where supported." },
+      { name: "--provider-id <id>", default: "D601", description: "Provider used by artifact-registry consumers; use local only from the D601 host CLI." },
       { name: "--run-now", description: "Run apply in the foreground worker process; omit it for fire-and-forget async job mode." },
       { name: "guard code-queue-source --root <path>", description: "Validate Code Queue hostPath source relative imports before any scheduler rollout; failures report degradedReason and missing import targets." },
     ],
@@ -523,6 +525,7 @@ function parseOptions(args: string[]): DeployOptions {
     environment,
     serviceId,
     commitOverride: commitOverride?.toLowerCase() ?? null,
+    providerId: optionValue(args, ["--provider-id", "--provider"]) ?? "D601",
     runNow: args.includes("--run-now"),
     dryRun: args.includes("--dry-run"),
     force: args.includes("--force"),
@@ -2882,6 +2885,7 @@ async function runDevArtifactConsumerService(
     "--commit", commit,
     "--source-repo", desired.repo,
     "--timeout-ms", String(options.timeoutMs),
+    "--provider-id", options.providerId,
     "--run-now",
     ...(options.dryRun ? ["--dry-run"] : []),
   ];
@@ -3404,6 +3408,7 @@ async function runArtifactConsumerApplyNow(
       ...(options.dryRun && hasDeployJsonExecutorContract(service) ? ["--deploy-json-service", encodeDeployJsonServiceContract(service)] : []),
       "--env", environment,
       "--timeout-ms", String(options.timeoutMs),
+      "--provider-id", options.providerId,
       "--run-now",
       ...(options.dryRun ? ["--dry-run"] : []),
     ];