diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 53cfd90926..3c1a9f4f72 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -340,6 +340,9 @@ jobs:
       - name: Miner package check
         if: ${{ github.event_name == 'push' || needs.changes.outputs.miner == 'true' }}
         run: npm run test:miner-pack
+      - name: Miner deployment docs audit
+        if: ${{ github.event_name == 'push' || needs.changes.outputs.miner == 'true' }}
+        run: npm run test:miner-deployment-docs-audit
       # review-enrichment is not an npm workspace member (its own package-lock.json), so it needs its own
       # cache entry -- same restore/save-after-success pattern and fork/trusted key split as the root
       # install above, for the same reasons.
diff --git a/package.json b/package.json
index e6e0116479..b79bcde1e9 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "build:miner": "npm --workspace @loopover/engine run build && npm --workspace @loopover/miner run build",
     "test:mcp-pack": "node scripts/check-mcp-package.mjs",
     "test:miner-pack": "node scripts/check-miner-package.mjs",
+    "test:miner-deployment-docs-audit": "node packages/loopover-miner/scripts/check-deployment-docs-audit.mjs",
     "rees:install": "npm ci --prefix review-enrichment --prefer-offline --no-audit --no-fund",
     "rees:test": "npm run rees:install && npm --prefix review-enrichment test",
     "rees:metadata": "npm --prefix review-enrichment run metadata",
diff --git a/packages/loopover-miner/scripts/check-deployment-docs-audit.mjs b/packages/loopover-miner/scripts/check-deployment-docs-audit.mjs
new file mode 100644
index 0000000000..a4534778ca
--- /dev/null
+++ b/packages/loopover-miner/scripts/check-deployment-docs-audit.mjs
@@ -0,0 +1,72 @@
+#!/usr/bin/env node
+import { existsSync, readFileSync, readdirSync } from "node:fs";
+import { join, resolve } from "node:path";
+import {
+  assertDeploymentDocsInSync,
+  extractEnvVarClaims,
+  extractFilePathClaims,
+  extractSubcommandClaims,
+  scanEnvVarTokens,
+  scanRegisteredCommands,
+} from "../lib/deployment-docs-audit.js";
+
+const REPO_ROOT = resolve(import.meta.dirname, "../../..");
+const MINER_DIR = resolve(REPO_ROOT, "packages/loopover-miner");
+const DEPLOYMENT_MD = resolve(MINER_DIR, "DEPLOYMENT.md");
+const BIN_DIR = resolve(MINER_DIR, "bin");
+const BIN_ENTRY = resolve(BIN_DIR, "loopover-miner.js");
+const LIB_DIR = resolve(MINER_DIR, "lib");
+const ENGINE_MINER_DIR = resolve(REPO_ROOT, "packages/loopover-engine/src/miner");
+
+function readFilesWithExtension(dir, extension) {
+  return readdirSync(dir)
+    .filter((name) => name.endsWith(extension))
+    .map((name) => readFileSync(join(dir, name), "utf8"));
+}
+
+function buildLiveReality() {
+  const envReads = scanEnvVarTokens(
+    [
+      ...readFilesWithExtension(LIB_DIR, ".js"),
+      ...readFilesWithExtension(BIN_DIR, ".js"),
+      ...readFilesWithExtension(ENGINE_MINER_DIR, ".ts"),
+    ].join("\n"),
+  );
+  const registered = scanRegisteredCommands(readFileSync(BIN_ENTRY, "utf8"));
+  return {
+    hasEnvRead: (name) => envReads.has(name),
+    pathExists: (relativePath) => existsSync(resolve(MINER_DIR, relativePath)),
+    isRegisteredCommand: (name) => registered.has(name),
+  };
+}
+
+function applyTestMode(reality) {
+  const mode = process.env.CHECK_MINER_DEPLOYMENT_DOCS_AUDIT_TEST_MODE;
+  if (!mode) return reality;
+  if (mode === "missing-env") return { ...reality, hasEnvRead: () => false };
+  if (mode === "missing-path") return { ...reality, pathExists: () => false };
+  if (mode === "missing-command") return { ...reality, isRegisteredCommand: () => false };
+  return reality;
+}
+
+export function runDeploymentDocsAuditCheck() {
+  const markdown = readFileSync(DEPLOYMENT_MD, "utf8");
+  const claims = {
+    envVars: extractEnvVarClaims(markdown),
+    filePaths: extractFilePathClaims(markdown),
+    subcommands: extractSubcommandClaims(markdown),
+  };
+  const result = assertDeploymentDocsInSync(claims, applyTestMode(buildLiveReality()));
+  return `Miner deployment docs audit ok: ${claims.envVars.length} env vars, ${claims.filePaths.length} paths, ${claims.subcommands.length} subcommands checked.\n`;
+}
+
+function main() {
+  try {
+    process.stdout.write(runDeploymentDocsAuditCheck());
+  } catch (error) {
+    process.stderr.write(`${error instanceof Error ? error.message : String(error)}\n`);
+    process.exit(1);
+  }
+}
+
+if (import.meta.url === `file://${process.argv[1]}`) main();
diff --git a/test/unit/miner-deployment-docs-audit-script.test.ts b/test/unit/miner-deployment-docs-audit-script.test.ts
new file mode 100644
index 0000000000..461b6d9c3e
--- /dev/null
+++ b/test/unit/miner-deployment-docs-audit-script.test.ts
@@ -0,0 +1,30 @@
+import { execFileSync } from "node:child_process";
+import { describe, expect, it } from "vitest";
+
+function runAudit(env: Record<string, string | undefined> = {}): { status: number; out: string } {
+  try {
+    const stdout = execFileSync(process.execPath, ["packages/loopover-miner/scripts/check-deployment-docs-audit.mjs"], {
+      encoding: "utf8",
+      env: { ...process.env, ...env },
+    });
+    return { status: 0, out: stdout };
+  } catch (error) {
+    const failure = error as { status?: number; stdout?: string; stderr?: string };
+    return { status: failure.status ?? 1, out: `${failure.stdout ?? ""}${failure.stderr ?? ""}` };
+  }
+}
+
+describe("check-deployment-docs-audit script (#6158)", () => {
+  it("passes on the real miner deployment docs and live source tree", () => {
+    const result = runAudit();
+    expect(result.status).toBe(0);
+    expect(result.out).toMatch(/^Miner deployment docs audit ok:/);
+  });
+
+  it("fails with a drift-style message when env-var backing reads are forced missing", () => {
+    const result = runAudit({ CHECK_MINER_DEPLOYMENT_DOCS_AUDIT_TEST_MODE: "missing-env" });
+    expect(result.status).toBe(1);
+    expect(result.out).toContain("DEPLOYMENT.md is out of sync");
+    expect(result.out).toContain("is documented in DEPLOYMENT.md but no read of it exists");
+  });
+});