diff --git a/AGENTS.md b/AGENTS.md
index d44fc05b..bf6da828 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -41,8 +41,11 @@ npm run db:deploy    # Deploy migrations (prod)
 | `DISPATCH_DATABASE_URL` | No | Alternative database URL alias — used if `DATABASE_URL` is not set |
 | `NEXTAUTH_SECRET` | No | NextAuth.js secret |
 | `NEXTAUTH_URL` | No | NextAuth.js URL |
-| `DISPATCH_SCHEDULER_ENABLED` | No | `true` runs periodic jobs (issue sync) in-process instead of via external cronjobs. Off by default. Confine to a single replica. |
-| `DISPATCH_SYNC_INTERVAL_MS` | No | Scheduled-sync interval when the in-app scheduler is enabled (default 900000 = 15m) |
+| `DISPATCH_SCHEDULER_ENABLED` | No | `true` runs periodic jobs (sync, groomer, PR-followup, prune-closed) in-process instead of via external cronjobs. Off by default. Confine to a single replica. |
+| `DISPATCH_SYNC_INTERVAL_MS` | No | Scheduled-sync interval when the scheduler is enabled (default 900000 = 15m; `0` disables the job) |
+| `DISPATCH_GROOMER_INTERVAL_MS` | No | Groomer run interval (default 600000 = 10m; `0` disables) |
+| `DISPATCH_PR_FOLLOWUP_INTERVAL_MS` | No | PR-followup sync interval (default 900000 = 15m; `0` disables) |
+| `DISPATCH_PRUNE_CLOSED_INTERVAL_MS` | No | Closed-issue prune interval (default 86400000 = 24h; `0` disables) |
 
 Resolution order: `DATABASE_URL` > `DISPATCH_DATABASE_URL`. `DISPATCH_AGENT_TOKEN` for agent API bearer auth.
 
diff --git a/src/lib/scheduler.test.ts b/src/lib/scheduler.test.ts
index 42eb2435..d993e162 100644
--- a/src/lib/scheduler.test.ts
+++ b/src/lib/scheduler.test.ts
@@ -38,10 +38,33 @@ describe("schedulerConfigFromEnv", () => {
   });
 
   it("honors DISPATCH_SYNC_INTERVAL_MS and falls back on garbage", () => {
-    expect(schedulerConfigFromEnv({ DISPATCH_SYNC_INTERVAL_MS: "60000" }).jobs[0].intervalMs).toBe(60000);
-    expect(schedulerConfigFromEnv({ DISPATCH_SYNC_INTERVAL_MS: "nope" }).jobs[0].intervalMs).toBe(15 * 60 * 1000);
+    const byName = (env: Record<string, string | undefined>, name: string) =>
+      schedulerConfigFromEnv(env).jobs.find((j) => j.name === name)!;
+    expect(byName({ DISPATCH_SYNC_INTERVAL_MS: "60000" }, "sync").intervalMs).toBe(60000);
+    expect(byName({ DISPATCH_SYNC_INTERVAL_MS: "nope" }, "sync").intervalMs).toBe(15 * 60 * 1000);
     expect(schedulerConfigFromEnv({ PORT: "" }).baseUrl).toBe("http://127.0.0.1:3000");
   });
+
+  it("configures sync + groomer + pr-followup + prune-closed with defaults", () => {
+    const jobs = schedulerConfigFromEnv({}).jobs;
+    expect(jobs.map((j) => j.name)).toEqual(["sync", "groomer", "pr-followup", "prune-closed"]);
+    const byName = (n: string) => jobs.find((j) => j.name === n)!;
+    expect(byName("groomer").path).toBe("/api/groomer/run");
+    expect(byName("groomer").intervalMs).toBe(10 * 60 * 1000);
+    expect(byName("pr-followup").path).toBe("/api/pr-followup/sync");
+    expect(byName("pr-followup").intervalMs).toBe(15 * 60 * 1000);
+    expect(byName("prune-closed").path).toBe("/api/issues/prune-closed");
+    expect(byName("prune-closed").intervalMs).toBe(24 * 60 * 60 * 1000);
+  });
+
+  it("disables an individual job when its interval env is 0", () => {
+    const jobs = schedulerConfigFromEnv({ DISPATCH_GROOMER_INTERVAL_MS: "0", DISPATCH_PRUNE_CLOSED_INTERVAL_MS: "0" }).jobs;
+    const names = jobs.map((j) => j.name);
+    expect(names).toContain("sync");
+    expect(names).toContain("pr-followup");
+    expect(names).not.toContain("groomer");
+    expect(names).not.toContain("prune-closed");
+  });
 });
 
 describe("runJob", () => {
diff --git a/src/lib/scheduler.ts b/src/lib/scheduler.ts
index bc6d8b05..4b001dbb 100644
--- a/src/lib/scheduler.ts
+++ b/src/lib/scheduler.ts
@@ -47,6 +47,9 @@ export interface SchedulerDeps {
 }
 
 const DEFAULT_SYNC_INTERVAL_MS = 15 * 60 * 1000; // 15m
+const DEFAULT_GROOMER_INTERVAL_MS = 10 * 60 * 1000; // 10m
+const DEFAULT_PR_FOLLOWUP_INTERVAL_MS = 15 * 60 * 1000; // 15m
+const DEFAULT_PRUNE_CLOSED_INTERVAL_MS = 24 * 60 * 60 * 1000; // daily
 const DEFAULT_STARTUP_DELAY_MS = 5 * 1000;
 
 function intFromEnv(raw: string | undefined, fallback: number): number {
@@ -55,25 +58,54 @@ function intFromEnv(raw: string | undefined, fallback: number): number {
 }
 
 /**
- * Build the scheduler config from the environment. Only the sync job is wired
- * today; groomer/pr-followup/prune-closed are added in follow-up issues (they
- * need their own concurrency guards first).
+ * Per-job interval: unset → fallback; explicit "0" → 0 (job disabled and
+ * filtered out); any other positive value overrides.
+ */
+function jobIntervalFromEnv(raw: string | undefined, fallback: number): number {
+  if (raw !== undefined && raw.trim() === "0") return 0;
+  return intFromEnv(raw, fallback);
+}
+
+/**
+ * Build the scheduler config from the environment. All periodic jobs run via
+ * loopback POSTs to the existing endpoints; each is authed with
+ * DISPATCH_AGENT_TOKEN (the groomer endpoint accepts it too) and can be
+ * disabled individually by setting its interval env to "0".
  */
 export function schedulerConfigFromEnv(env: Record<string, string | undefined>): SchedulerConfig {
   const port = env.PORT && env.PORT.trim() !== "" ? env.PORT.trim() : "3000";
+  const jobs: ScheduledJob[] = [
+    {
+      name: "sync",
+      path: "/api/sync/scheduled",
+      body: { issues: true },
+      intervalMs: jobIntervalFromEnv(env.DISPATCH_SYNC_INTERVAL_MS, DEFAULT_SYNC_INTERVAL_MS),
+    },
+    {
+      name: "groomer",
+      path: "/api/groomer/run",
+      body: {},
+      intervalMs: jobIntervalFromEnv(env.DISPATCH_GROOMER_INTERVAL_MS, DEFAULT_GROOMER_INTERVAL_MS),
+    },
+    {
+      name: "pr-followup",
+      path: "/api/pr-followup/sync",
+      body: {},
+      intervalMs: jobIntervalFromEnv(env.DISPATCH_PR_FOLLOWUP_INTERVAL_MS, DEFAULT_PR_FOLLOWUP_INTERVAL_MS),
+    },
+    {
+      name: "prune-closed",
+      path: "/api/issues/prune-closed",
+      body: {},
+      intervalMs: jobIntervalFromEnv(env.DISPATCH_PRUNE_CLOSED_INTERVAL_MS, DEFAULT_PRUNE_CLOSED_INTERVAL_MS),
+    },
+  ];
   return {
     enabled: env.DISPATCH_SCHEDULER_ENABLED === "true",
     baseUrl: `http://127.0.0.1:${port}`,
     token: env.DISPATCH_AGENT_TOKEN ?? "",
     startupDelayMs: intFromEnv(env.DISPATCH_SCHEDULER_STARTUP_DELAY_MS, DEFAULT_STARTUP_DELAY_MS),
-    jobs: [
-      {
-        name: "sync",
-        path: "/api/sync/scheduled",
-        body: { issues: true },
-        intervalMs: intFromEnv(env.DISPATCH_SYNC_INTERVAL_MS, DEFAULT_SYNC_INTERVAL_MS),
-      },
-    ],
+    jobs: jobs.filter((job) => job.intervalMs > 0),
   };
 }