diff --git a/src/queue/processors.ts b/src/queue/processors.ts
index bc7db47578..c05b0b3f25 100644
--- a/src/queue/processors.ts
+++ b/src/queue/processors.ts
@@ -4839,47 +4839,48 @@ async function maybeCloseIssueOverContributorCap(
       deliveryId,
     });
     const globalCap = officialMiner.status === "confirmed" ? globalCapForMiner : globalCapForHuman;
-    if (globalCap === null) return;
-    const globalOpenCount = await verifiedGlobalOpenItemCount(env, installationId, authorLogin, {
-      repoFullName,
-      number: issue.number,
-      kind: "issue",
-    }, globalCap);
-    if (globalOpenCount > globalCap) {
-      const planned = planAgentMaintenanceActions({
-        conclusion: "skipped",
-        blockerTitles: [],
-        autonomy: settings.autonomy,
-        changedPaths: [],
-        hardGuardrailGlobs: [],
-        authorIsOwner,
-        authorIsAdmin,
-        authorIsAutomationBot,
-        ciState: "unverified",
-        // verifiedGlobalOpenItemCount sums BOTH open PRs and open issues; "pull requests and issues" is
-        // accurate regardless of the actual split, unlike a hardcoded single kind.
-        contributorCapMatch: { matched: true, authorLogin, openCount: globalOpenCount, cap: globalCap, itemKind: "pull requests and issues", scope: "install" },
-        contributorCapLabel: settings.contributorCapLabel,
-        pr: { labels: [] },
-      });
-      if (planned.length > 0) {
-        await executeIssueMaintenanceActions(
-          env,
-          {
-            installationId,
-            repoFullName,
-            issueNumber: issue.number,
-            autonomy: settings.autonomy,
-            agentPaused: settings.agentPaused,
-            agentDryRun: settings.agentDryRun,
-            agentGlobalFreezeOverride: settings.agentGlobalFreezeOverride,
-            authorLogin,
-            moderationSettings: { moderationGateMode: settings.moderationGateMode, moderationRules: settings.moderationRules, moderationWarningLabel: settings.moderationWarningLabel, moderationBannedLabel: settings.moderationBannedLabel },
-          },
-          planned,
-        );
+    if (globalCap !== null) {
+      const globalOpenCount = await verifiedGlobalOpenItemCount(env, installationId, authorLogin, {
+        repoFullName,
+        number: issue.number,
+        kind: "issue",
+      }, globalCap);
+      if (globalOpenCount > globalCap) {
+        const planned = planAgentMaintenanceActions({
+          conclusion: "skipped",
+          blockerTitles: [],
+          autonomy: settings.autonomy,
+          changedPaths: [],
+          hardGuardrailGlobs: [],
+          authorIsOwner,
+          authorIsAdmin,
+          authorIsAutomationBot,
+          ciState: "unverified",
+          // verifiedGlobalOpenItemCount sums BOTH open PRs and open issues; "pull requests and issues" is
+          // accurate regardless of the actual split, unlike a hardcoded single kind.
+          contributorCapMatch: { matched: true, authorLogin, openCount: globalOpenCount, cap: globalCap, itemKind: "pull requests and issues", scope: "install" },
+          contributorCapLabel: settings.contributorCapLabel,
+          pr: { labels: [] },
+        });
+        if (planned.length > 0) {
+          await executeIssueMaintenanceActions(
+            env,
+            {
+              installationId,
+              repoFullName,
+              issueNumber: issue.number,
+              autonomy: settings.autonomy,
+              agentPaused: settings.agentPaused,
+              agentDryRun: settings.agentDryRun,
+              agentGlobalFreezeOverride: settings.agentGlobalFreezeOverride,
+              authorLogin,
+              moderationSettings: { moderationGateMode: settings.moderationGateMode, moderationRules: settings.moderationRules, moderationWarningLabel: settings.moderationWarningLabel, moderationBannedLabel: settings.moderationBannedLabel },
+            },
+            planned,
+          );
+        }
+        return;
       }
-      return;
     }
   }
 
diff --git a/test/unit/queue-3.test.ts b/test/unit/queue-3.test.ts
index 1e00046bd2..df8bfc131f 100644
--- a/test/unit/queue-3.test.ts
+++ b/test/unit/queue-3.test.ts
@@ -4969,6 +4969,91 @@ describe("queue processors", () => {
     expect(closeAudit?.n).toBeGreaterThanOrEqual(1);
   });
 
+  it("install-wide contributor open-item cap (#4511): miner cap off still falls through to the per-repo issue cap", async () => {
+    const env = createTestEnv({
+      GITHUB_APP_PRIVATE_KEY: await generatePrivateKeyPem(),
+      GLOBAL_CONTRIBUTOR_OPEN_ITEM_CAP_MINER: "off",
+    });
+    await upsertInstallation(env, {
+      installation: { id: 123, account: { login: "JSONbored", id: 1, type: "User" }, target_type: "User", repository_selection: "all", permissions: { metadata: "read", issues: "write" }, events: ["issues"] },
+      repositories: [{ name: "gittensory", full_name: "JSONbored/gittensory", private: false, owner: { login: "JSONbored" } }],
+    });
+    await upsertIssueFromGitHub(env, "JSONbored/gittensory", { number: 60, title: "Farmer issue one", state: "open", user: { login: "farmer99" }, labels: [], body: "x" });
+    await upsertIssueFromGitHub(env, "JSONbored/gittensory", { number: 61, title: "Farmer issue two", state: "open", user: { login: "farmer99" }, labels: [], body: "y" });
+    await upsertRepositorySettings(env, { repoFullName: "JSONbored/gittensory", autonomy: { close: "auto", label: "auto" }, contributorOpenIssueCap: 2 });
+    const seen = { closed: false };
+    vi.stubGlobal("fetch", async (input: RequestInfo | URL, init?: RequestInit) => {
+      const url = input.toString();
+      const method = init?.method ?? "GET";
+      if (url === "https://api.gittensor.io/miners") return Response.json([{ githubUsername: "farmer99", githubId: "123", totalPrs: 2, totalMergedPrs: 2, isEligible: true, credibility: 1 }]);
+      if (url === "https://api.gittensor.io/miners/123/prs") return Response.json([]);
+      if (url === "https://api.gittensor.io/miners/123") return Response.json({});
+      if (url === "https://mirror.gittensor.io/api/v1/miners/123/issues") return Response.json({ issues: [] });
+      if (url.includes("/access_tokens")) return Response.json({ token: "installation-token" });
+      if ((url.endsWith("/issues/60") || url.endsWith("/issues/61")) && method === "GET") return Response.json({ state: "open" });
+      if (url.endsWith("/issues/62") && method === "PATCH") { seen.closed = JSON.parse(String(init?.body ?? "{}")).state === "closed"; return Response.json({ state: "closed" }); }
+      if (url.includes("/issues/62/labels") && method === "GET") return Response.json([]);
+      if (url.includes("/issues/62/labels") && method === "POST") return Response.json([]);
+      if (url.includes("/issues/62/comments") && method === "POST") return Response.json({ id: 1 }, { status: 201 });
+      return Response.json({});
+    });
+
+    await processJob(env, {
+      type: "github-webhook",
+      deliveryId: "miner-off-falls-through-to-repo-issue-cap",
+      eventName: "issues",
+      payload: {
+        action: "opened",
+        installation: { id: 123, account: { login: "JSONbored", id: 1, type: "User" } },
+        repository: { name: "gittensory", full_name: "JSONbored/gittensory", private: false, owner: { login: "JSONbored" } },
+        issue: { number: 62, title: "Farmer's 3rd issue", state: "open", user: { login: "farmer99" }, labels: [], body: "x" },
+      },
+    });
+
+    expect(seen.closed).toBe(true);
+    const closeAudit = await env.DB.prepare("select count(*) as n from audit_events where event_type = 'agent.action.close'").first<{ n: number }>();
+    expect(closeAudit?.n).toBeGreaterThanOrEqual(1);
+  });
+
+  it("install-wide contributor open-item cap (#5205): an over-install-cap issue with autonomy that plans NO action does not execute a close", async () => {
+    const env = createTestEnv({ GITHUB_APP_PRIVATE_KEY: await generatePrivateKeyPem(), GLOBAL_CONTRIBUTOR_OPEN_ITEM_CAP: "2" });
+    await upsertInstallation(env, {
+      installation: { id: 123, account: { login: "JSONbored", id: 1, type: "User" }, target_type: "User", repository_selection: "all", permissions: { metadata: "read", issues: "write" }, events: ["issues"] },
+      repositories: [{ name: "gittensory", full_name: "JSONbored/gittensory", private: false, owner: { login: "JSONbored" } }],
+    });
+    await upsertIssueFromGitHub(env, "JSONbored/gittensory", { number: 60, title: "Farmer issue one", state: "open", user: { login: "farmer99" }, labels: [], body: "x" });
+    await upsertIssueFromGitHub(env, "JSONbored/gittensory", { number: 61, title: "Farmer issue two", state: "open", user: { login: "farmer99" }, labels: [], body: "y" });
+    // autonomy: {} (no acting classes granted) -- planAgentMaintenanceActions builds an empty plan, so
+    // `planned.length > 0` is false and executeIssueMaintenanceActions is never called.
+    await upsertRepositorySettings(env, { repoFullName: "JSONbored/gittensory", autonomy: {} });
+    const seen = { closed: false };
+    vi.stubGlobal("fetch", async (input: RequestInfo | URL, init?: RequestInit) => {
+      const url = input.toString();
+      const method = init?.method ?? "GET";
+      if (url === "https://api.gittensor.io/miners") return Response.json([]);
+      if (url.includes("/access_tokens")) return Response.json({ token: "installation-token" });
+      if ((url.endsWith("/issues/60") || url.endsWith("/issues/61")) && method === "GET") return Response.json({ state: "open" });
+      if (url.endsWith("/issues/62") && method === "PATCH") { seen.closed = true; return Response.json({ state: "closed" }); }
+      return Response.json({});
+    });
+
+    await processJob(env, {
+      type: "github-webhook",
+      deliveryId: "global-contributor-issue-cap-empty-plan",
+      eventName: "issues",
+      payload: {
+        action: "opened",
+        installation: { id: 123, account: { login: "JSONbored", id: 1, type: "User" } },
+        repository: { name: "gittensory", full_name: "JSONbored/gittensory", private: false, owner: { login: "JSONbored" } },
+        issue: { number: 62, title: "Farmer's 3rd issue install-wide, no autonomy granted", state: "open", user: { login: "farmer99" }, labels: [], body: "x" },
+      },
+    });
+
+    expect(seen.closed).toBe(false);
+    const closeAudit = await env.DB.prepare("select count(*) as n from audit_events where event_type = 'agent.action.close'").first<{ n: number }>();
+    expect(closeAudit?.n ?? 0).toBe(0);
+  });
+
   it("contributor open-ISSUE cap (#2270): the repo OWNER's own issue is never closed even over the cap", async () => {
     const env = createTestEnv({ GITHUB_APP_PRIVATE_KEY: await generatePrivateKeyPem() });
     await upsertInstallation(env, {