diff --git a/packages/gittensory-miner/bin/gittensory-miner.js b/packages/gittensory-miner/bin/gittensory-miner.js
index 74a0096dde..cf2ea836ee 100755
--- a/packages/gittensory-miner/bin/gittensory-miner.js
+++ b/packages/gittensory-miner/bin/gittensory-miner.js
@@ -8,6 +8,7 @@ import { runManagePoll } from "../lib/manage-poll.js";
 import { runManageStatus } from "../lib/manage-status.js";
 import { runPlanCli } from "../lib/plan-store-cli.js";
 import { runQueueCli } from "../lib/portfolio-queue-cli.js";
+import { runRejectCli } from "../lib/rejection-render.js";
 import { runStateCli } from "../lib/run-state-cli.js";
 import { runDoctor, runStatus } from "../lib/status.js";
 import {
@@ -88,6 +89,12 @@ if (cliArgs[0] === "hooks" && cliArgs[1] === "check") {
   process.exit(exitCode);
 }
 
+if (cliArgs[0] === "reject") {
+  const exitCode = runRejectCli(cliArgs[1], cliArgs.slice(2));
+  await awaitOpportunisticUpdateCheck(updateCheck);
+  process.exit(exitCode);
+}
+
 if (cliArgs[0] === "state") {
   const exitCode = runStateCli(cliArgs[1], cliArgs.slice(2));
   await awaitOpportunisticUpdateCheck(updateCheck);
diff --git a/packages/gittensory-miner/lib/cli.js b/packages/gittensory-miner/lib/cli.js
index 6f999371b5..2a3803b10e 100644
--- a/packages/gittensory-miner/lib/cli.js
+++ b/packages/gittensory-miner/lib/cli.js
@@ -26,6 +26,8 @@ export function printHelp(input) {
       "  gittensory-miner plan show <planId> [--json]",
       "  gittensory-miner governor list [--repo <owner/repo>] [--type allowed|denied|throttled|kill_switch] [--json]",
       "  gittensory-miner hooks check --tool <name> --input <json> [--json]",
+      "  gittensory-miner reject render --reason <reason> --repo <owner/repo> --pr <number> [--json]",
+      "  gittensory-miner reject reasons [--json]",
       "  gittensory-miner state get <owner/repo> [--json]",
       "  gittensory-miner state set <owner/repo> <idle|discovering|planning|preparing> [--json]",
       "",
diff --git a/packages/gittensory-miner/lib/rejection-render.d.ts b/packages/gittensory-miner/lib/rejection-render.d.ts
new file mode 100644
index 0000000000..75330d6a0a
--- /dev/null
+++ b/packages/gittensory-miner/lib/rejection-render.d.ts
@@ -0,0 +1,20 @@
+export type ParsedRejectRenderArgs =
+  | {
+      reason: string;
+      repo: string;
+      prNumber: number;
+      json: boolean;
+    }
+  | { error: string };
+
+export type ParsedRejectReasonsArgs = { json: boolean } | { error: string };
+
+export function parseRejectRenderArgs(args: string[]): ParsedRejectRenderArgs;
+
+export function parseRejectReasonsArgs(args: string[]): ParsedRejectReasonsArgs;
+
+export function runRejectRender(args: string[]): number;
+
+export function runRejectReasons(args: string[]): number;
+
+export function runRejectCli(subcommand: string | undefined, args: string[]): number;
diff --git a/packages/gittensory-miner/lib/rejection-render.js b/packages/gittensory-miner/lib/rejection-render.js
new file mode 100644
index 0000000000..3386c731d4
--- /dev/null
+++ b/packages/gittensory-miner/lib/rejection-render.js
@@ -0,0 +1,128 @@
+import { REJECTION_REASONS, renderRejectionMessage } from "./rejection-templates.js";
+
+const REJECT_RENDER_USAGE =
+  "Usage: gittensory-miner reject render --reason <gate_close|maintainer_close_no_reason|superseded_by_duplicate> --repo <owner/repo> --pr <number> [--json]";
+
+function parsePositiveInt(flag, value) {
+  if (value === undefined) {
+    return { error: `Missing value for ${flag}.` };
+  }
+  const parsed = Number(value);
+  if (!Number.isInteger(parsed) || parsed <= 0) {
+    return { error: `Invalid value for ${flag}: must be a positive integer.` };
+  }
+  return { value: parsed };
+}
+
+export function parseRejectRenderArgs(args) {
+  const options = {
+    json: false,
+    reason: undefined,
+    repo: undefined,
+    prNumber: undefined,
+  };
+
+  for (let index = 0; index < args.length; index += 1) {
+    const token = args[index];
+    if (token === "--json") {
+      options.json = true;
+      continue;
+    }
+    if (token === "--reason") {
+      const reason = args[++index];
+      if (!reason) return { error: "Missing value for --reason." };
+      options.reason = reason;
+      continue;
+    }
+    if (token === "--repo") {
+      const repo = args[++index];
+      if (!repo) return { error: "Missing value for --repo." };
+      options.repo = repo;
+      continue;
+    }
+    if (token === "--pr") {
+      const parsed = parsePositiveInt("--pr", args[++index]);
+      if ("error" in parsed) return { error: parsed.error };
+      options.prNumber = parsed.value;
+      continue;
+    }
+    if (token.startsWith("-")) {
+      return { error: `Unknown option: ${token}` };
+    }
+    return { error: REJECT_RENDER_USAGE };
+  }
+
+  if (!options.reason || !options.repo || options.prNumber === undefined) {
+    return { error: REJECT_RENDER_USAGE };
+  }
+
+  return options;
+}
+
+export function parseRejectReasonsArgs(args) {
+  if (args.length === 1 && args[0] === "--json") {
+    return { json: true };
+  }
+  if (args.length === 0) {
+    return { json: false };
+  }
+  if (args.length === 1 && args[0].startsWith("-")) {
+    return { error: `Unknown option: ${args[0]}` };
+  }
+  return { error: "Usage: gittensory-miner reject reasons [--json]" };
+}
+
+export function runRejectRender(args) {
+  const parsed = parseRejectRenderArgs(args);
+  if ("error" in parsed) {
+    console.error(parsed.error);
+    return 2;
+  }
+
+  try {
+    const message = renderRejectionMessage(parsed.reason, {
+      repoFullName: parsed.repo,
+      prNumber: parsed.prNumber,
+    });
+    if (parsed.json) {
+      console.log(
+        JSON.stringify({
+          reason: parsed.reason,
+          repoFullName: parsed.repo,
+          prNumber: parsed.prNumber,
+          message,
+        }),
+      );
+    } else {
+      console.log(message);
+    }
+    return 0;
+  } catch (error) {
+    console.error(error instanceof Error ? error.message : String(error));
+    return 2;
+  }
+}
+
+export function runRejectReasons(args) {
+  const parsed = parseRejectReasonsArgs(args);
+  if ("error" in parsed) {
+    console.error(parsed.error);
+    return 2;
+  }
+
+  if (parsed.json) {
+    console.log(JSON.stringify({ reasons: [...REJECTION_REASONS] }));
+  } else {
+    for (const reason of REJECTION_REASONS) {
+      console.log(reason);
+    }
+  }
+  return 0;
+}
+
+export function runRejectCli(subcommand, args) {
+  if (subcommand === "render") return runRejectRender(args);
+  if (subcommand === "reasons") return runRejectReasons(args);
+  console.error(`Unknown reject subcommand: ${subcommand ?? ""}. ${REJECT_RENDER_USAGE}`);
+  return 2;
+}
diff --git a/packages/gittensory-miner/package.json b/packages/gittensory-miner/package.json
index 51b4353a02..e5105da918 100644
--- a/packages/gittensory-miner/package.json
+++ b/packages/gittensory-miner/package.json
@@ -31,7 +31,7 @@
     "lib"
   ],
   "scripts": {
-    "build": "node --check bin/gittensory-miner.js && node --check lib/cli.js && node --check lib/deny-check.js && node --check lib/run-state-cli.js && node --check lib/update-check.js && node --check lib/opportunity-fanout.js && node --check lib/ci-poller.js && node --check lib/run-state.js && node --check lib/deny-hooks.js && node --check lib/event-ledger.js && node --check lib/event-ledger-cli.js && node --check lib/claim-ledger.js && node --check lib/claim-ledger-expiry.js && node --check lib/portfolio-queue.js && node --check lib/portfolio-queue-cli.js && node --check lib/portfolio-discovery.js && node --check lib/opportunity-ranker.js && node --check lib/plan-store.js && node --check lib/plan-store-cli.js && node --check lib/rejection-templates.js && node --check lib/governor-ledger.js && node --check lib/governor-ledger-cli.js && node --check lib/manage-status.js && node --check lib/manage-poll.js && node --check lib/status.js && node --check lib/replay-objective-anchor.js && node --check lib/replay-task-generation.js"
+    "build": "node --check bin/gittensory-miner.js && node --check lib/cli.js && node --check lib/deny-check.js && node --check lib/rejection-render.js && node --check lib/run-state-cli.js && node --check lib/update-check.js && node --check lib/opportunity-fanout.js && node --check lib/ci-poller.js && node --check lib/run-state.js && node --check lib/deny-hooks.js && node --check lib/event-ledger.js && node --check lib/event-ledger-cli.js && node --check lib/claim-ledger.js && node --check lib/claim-ledger-expiry.js && node --check lib/portfolio-queue.js && node --check lib/portfolio-queue-cli.js && node --check lib/portfolio-discovery.js && node --check lib/opportunity-ranker.js && node --check lib/plan-store.js && node --check lib/plan-store-cli.js && node --check lib/rejection-templates.js && node --check lib/governor-ledger.js && node --check lib/governor-ledger-cli.js && node --check lib/manage-status.js && node --check lib/manage-poll.js && node --check lib/status.js && node --check lib/replay-objective-anchor.js && node --check lib/replay-task-generation.js"
   },
   "dependencies": {
     "@jsonbored/gittensory-engine": "0.1.0"
diff --git a/test/unit/miner-cli-rejection-render.test.ts b/test/unit/miner-cli-rejection-render.test.ts
new file mode 100644
index 0000000000..4dd834fefa
--- /dev/null
+++ b/test/unit/miner-cli-rejection-render.test.ts
@@ -0,0 +1,108 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import {
+  parseRejectReasonsArgs,
+  parseRejectRenderArgs,
+  runRejectCli,
+  runRejectReasons,
+  runRejectRender,
+} from "../../packages/gittensory-miner/lib/rejection-render.js";
+
+afterEach(() => {
+  vi.restoreAllMocks();
+});
+
+describe("gittensory-miner reject render command", () => {
+  it("parseRejectRenderArgs validates required flags", () => {
+    expect(parseRejectRenderArgs([])).toEqual({
+      error: expect.stringContaining("Usage: gittensory-miner reject render"),
+    });
+    expect(parseRejectRenderArgs(["--reason", "gate_close"])).toEqual({
+      error: expect.stringContaining("Usage: gittensory-miner reject render"),
+    });
+    expect(parseRejectRenderArgs(["--reason", "gate_close", "--repo", "acme/widgets", "--pr", "0"])).toEqual({
+      error: "Invalid value for --pr: must be a positive integer.",
+    });
+    expect(
+      parseRejectRenderArgs([
+        "--reason",
+        "gate_close",
+        "--repo",
+        "acme/widgets",
+        "--pr",
+        "42",
+        "--json",
+      ]),
+    ).toEqual({
+      reason: "gate_close",
+      repo: "acme/widgets",
+      prNumber: 42,
+      json: true,
+    });
+  });
+
+  it("parseRejectReasonsArgs accepts optional --json", () => {
+    expect(parseRejectReasonsArgs([])).toEqual({ json: false });
+    expect(parseRejectReasonsArgs(["--json"])).toEqual({ json: true });
+    expect(parseRejectReasonsArgs(["--wat"])).toEqual({ error: "Unknown option: --wat" });
+  });
+
+  it("runRejectRender prints a courtesy note and exits 0", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(
+      runRejectRender([
+        "--reason",
+        "gate_close",
+        "--repo",
+        "JSONbored/gittensory",
+        "--pr",
+        "42",
+      ]),
+    ).toBe(0);
+    expect(log).toHaveBeenCalledWith(expect.stringContaining("#42"));
+    expect(log).toHaveBeenCalledWith(expect.stringContaining("JSONbored/gittensory"));
+  });
+
+  it("runRejectRender prints JSON when requested", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(
+      runRejectRender([
+        "--reason",
+        "superseded_by_duplicate",
+        "--repo",
+        "JSONbored/gittensory",
+        "--pr",
+        "7",
+        "--json",
+      ]),
+    ).toBe(0);
+    expect(log).toHaveBeenCalledWith(expect.stringContaining('"reason":"superseded_by_duplicate"'));
+  });
+
+  it("runRejectRender returns exit code 2 for invalid reasons or flags", () => {
+    const error = vi.spyOn(console, "error").mockImplementation(() => undefined);
+    expect(runRejectRender(["--reason", "bogus", "--repo", "acme/widgets", "--pr", "1"])).toBe(2);
+    expect(error).toHaveBeenCalledWith("invalid_rejection_reason");
+    expect(runRejectRender(["--reason", "gate_close", "--repo", "bad", "--pr", "1"])).toBe(2);
+    expect(runRejectRender(["--reason", "gate_close", "--repo", "acme/widgets", "--pr", "nope"])).toBe(2);
+  });
+
+  it("runRejectReasons lists reason buckets", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(runRejectReasons([])).toBe(0);
+    expect(log).toHaveBeenCalledWith("gate_close");
+    expect(runRejectReasons(["--json"])).toBe(0);
+    expect(log).toHaveBeenCalledWith(expect.stringContaining('"gate_close"'));
+  });
+
+  it("runRejectCli routes render and reasons subcommands", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(
+      runRejectCli("render", ["--reason", "gate_close", "--repo", "JSONbored/gittensory", "--pr", "1"]),
+    ).toBe(0);
+    expect(runRejectCli("reasons", [])).toBe(0);
+    expect(log).toHaveBeenCalled();
+    const error = vi.spyOn(console, "error").mockImplementation(() => undefined);
+    expect(runRejectCli("wat", [])).toBe(2);
+    expect(error).toHaveBeenCalledWith(expect.stringContaining("Unknown reject subcommand"));
+  });
+});