diff --git a/packages/loopover-miner/bin/loopover-miner.js b/packages/loopover-miner/bin/loopover-miner.js
index 9ded31a2a..110f13188 100755
--- a/packages/loopover-miner/bin/loopover-miner.js
+++ b/packages/loopover-miner/bin/loopover-miner.js
@@ -5,6 +5,7 @@ import { configureLogger, extractLogOptions } from "../lib/logger.js";
 import { runDenyCheck } from "../lib/deny-check.js";
 import { runDiscover } from "../lib/discover-cli.js";
 import { runFeasibilityCli } from "../lib/feasibility-cli.js";
+import { runIdeaFeasibilityCli } from "../lib/idea-feasibility-cli.js";
 import { runGovernorCli } from "../lib/governor-ledger-cli.js";
 import { runLedgerCli } from "../lib/event-ledger-cli.js";
 import { runCalibrationCli } from "../lib/calibration-cli.js";
@@ -139,6 +140,10 @@ if (cliArgs[0] === "feasibility") {
   process.exit(runFeasibilityCli(cliArgs.slice(1)));
 }
 
+if (cliArgs[0] === "idea-feasibility") {
+  process.exit(runIdeaFeasibilityCli(cliArgs.slice(1)));
+}
+
 // `purge` (#5564) is strictly local + offline like `queue`/`claim`/`governor` above -- it only opens the local
 // SQLite stores, so it is dispatched here too, before the opportunistic npm-registry update check ever starts.
 if (cliArgs[0] === "purge") {
diff --git a/packages/loopover-miner/lib/cli.js b/packages/loopover-miner/lib/cli.js
index 915571752..6cce13af4 100644
--- a/packages/loopover-miner/lib/cli.js
+++ b/packages/loopover-miner/lib/cli.js
@@ -53,6 +53,8 @@ export function printHelp(input) {
       "  loopover-miner governor metrics                              Print governor rate-limit/cap-usage counters in Prometheus text format",
       "  loopover-miner calibration [--json]                         Report predicted-vs-realized gate accuracy",
       "  loopover-miner feasibility <claimStatus> <duplicateClusterRisk> <issueStatus> [--not-found] [--json]",
+      "  loopover-miner idea-feasibility <claimStatus> <duplicateClusterRisk> [--not-resolvable] [--hint <text>]... [--json]",
+      "                                                                 Pre-compute feasibility gate for a freeform Rent-a-Loop idea (#5671)",
       "  loopover-miner hooks check --tool <name> --input <json> [--json]",
       "  loopover-miner state get <owner/repo> [--json]",
       "  loopover-miner state set <owner/repo> <idle|discovering|planning|preparing> [--dry-run] [--json]",
diff --git a/packages/loopover-miner/lib/idea-feasibility-cli.d.ts b/packages/loopover-miner/lib/idea-feasibility-cli.d.ts
new file mode 100644
index 000000000..e4c49f752
--- /dev/null
+++ b/packages/loopover-miner/lib/idea-feasibility-cli.d.ts
@@ -0,0 +1,21 @@
+import type {
+  FeasibilityClaimStatus,
+  FeasibilityDuplicateClusterRisk,
+} from "@loopover/engine";
+import type { AssessIdeaFeasibilityOptions } from "./idea-feasibility.js";
+
+export type ParsedIdeaFeasibilityArgs =
+  | {
+      claimStatus: FeasibilityClaimStatus;
+      duplicateClusterRisk: FeasibilityDuplicateClusterRisk;
+      targetResolvable: boolean;
+      acceptanceHints: string[];
+      json: boolean;
+    }
+  | { error: string };
+
+export type RunIdeaFeasibilityCliOptions = AssessIdeaFeasibilityOptions;
+
+export function parseIdeaFeasibilityArgs(args: string[]): ParsedIdeaFeasibilityArgs;
+
+export function runIdeaFeasibilityCli(args: string[], options?: RunIdeaFeasibilityCliOptions): number;
diff --git a/packages/loopover-miner/lib/idea-feasibility-cli.js b/packages/loopover-miner/lib/idea-feasibility-cli.js
new file mode 100644
index 000000000..835065683
--- /dev/null
+++ b/packages/loopover-miner/lib/idea-feasibility-cli.js
@@ -0,0 +1,92 @@
+/** `idea-feasibility` CLI command: the freeform-idea counterpart to the metadata `feasibility` CLI
+ * (feasibility-cli.js, #4270). It runs a freeform Rent-a-Loop idea submission (#4779) through the
+ * pre-compute feasibility gate (idea-feasibility.js, #5671) so a renter can no longer burn compute on an
+ * idea that was never going to succeed — the same parse -> execute -> render wrapper the metadata gate uses,
+ * only the idea's `issueStatus` is DERIVED from its own structure rather than supplied. Purely local — no
+ * network, no filesystem — so it never needs the npm-registry update check other subcommands opt into. */
+import { assessIdeaFeasibility } from "./idea-feasibility.js";
+import { argsWantJson, reportCliFailure } from "./cli-error.js";
+
+const CLAIM_STATUSES = ["unclaimed", "claimed", "solved", "unknown"];
+const DUPLICATE_CLUSTER_RISKS = ["none", "low", "medium", "high"];
+
+const IDEA_FEASIBILITY_USAGE =
+  "Usage: loopover-miner idea-feasibility <claimStatus> <duplicateClusterRisk> [--not-resolvable] [--hint <text>]... [--json]\n" +
+  `  claimStatus: ${CLAIM_STATUSES.join("|")}\n` +
+  `  duplicateClusterRisk: ${DUPLICATE_CLUSTER_RISKS.join("|")}\n` +
+  "  --not-resolvable: the idea's target repo does not resolve to a repo the loop can act on (issueStatus=missing)\n" +
+  "  --hint <text>: an objective acceptance signal (repeatable); an idea declaring none is invalid (issueStatus=invalid)";
+
+export function parseIdeaFeasibilityArgs(args) {
+  const options = { json: false, targetResolvable: true, acceptanceHints: [] };
+  const positional = [];
+
+  for (let i = 0; i < args.length; i += 1) {
+    const token = args[i];
+    if (token === "--json") {
+      options.json = true;
+      continue;
+    }
+    if (token === "--not-resolvable") {
+      options.targetResolvable = false;
+      continue;
+    }
+    if (token === "--hint") {
+      const value = args[i + 1];
+      if (value === undefined || value.startsWith("-")) {
+        return { error: "--hint requires a value." };
+      }
+      options.acceptanceHints.push(value);
+      i += 1;
+      continue;
+    }
+    if (token.startsWith("-")) {
+      return { error: `Unknown option: ${token}` };
+    }
+    positional.push(token);
+  }
+
+  if (positional.length !== 2) {
+    return { error: IDEA_FEASIBILITY_USAGE };
+  }
+
+  const [claimStatus, duplicateClusterRisk] = positional;
+  if (!CLAIM_STATUSES.includes(claimStatus)) {
+    return { error: `claimStatus must be one of: ${CLAIM_STATUSES.join(", ")}.` };
+  }
+  if (!DUPLICATE_CLUSTER_RISKS.includes(duplicateClusterRisk)) {
+    return { error: `duplicateClusterRisk must be one of: ${DUPLICATE_CLUSTER_RISKS.join(", ")}.` };
+  }
+
+  return {
+    claimStatus,
+    duplicateClusterRisk,
+    targetResolvable: options.targetResolvable,
+    acceptanceHints: options.acceptanceHints,
+    json: options.json,
+  };
+}
+
+export function runIdeaFeasibilityCli(args, options = {}) {
+  const parsed = parseIdeaFeasibilityArgs(args);
+  if ("error" in parsed) {
+    return reportCliFailure(argsWantJson(args), parsed.error);
+  }
+
+  const assessment = assessIdeaFeasibility(
+    { acceptanceHints: parsed.acceptanceHints },
+    {
+      targetResolvable: parsed.targetResolvable,
+      claimStatus: parsed.claimStatus,
+      duplicateClusterRisk: parsed.duplicateClusterRisk,
+    },
+    options,
+  );
+
+  if (parsed.json) {
+    console.log(JSON.stringify(assessment, null, 2));
+  } else {
+    console.log(`${assessment.disposition}: ${assessment.summary}`);
+  }
+  return 0;
+}
diff --git a/test/unit/miner-idea-feasibility-cli.test.ts b/test/unit/miner-idea-feasibility-cli.test.ts
new file mode 100644
index 000000000..6ff0f96aa
--- /dev/null
+++ b/test/unit/miner-idea-feasibility-cli.test.ts
@@ -0,0 +1,162 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+
+vi.mock("@loopover/engine", async () => {
+  return import("../../packages/loopover-engine/src/index");
+});
+
+import {
+  parseIdeaFeasibilityArgs,
+  runIdeaFeasibilityCli,
+} from "../../packages/loopover-miner/lib/idea-feasibility-cli.js";
+import type { FeasibilityGateResult } from "@loopover/engine";
+import { runCapture } from "./support/miner-cli-harness";
+
+afterEach(() => {
+  vi.restoreAllMocks();
+});
+
+describe("parseIdeaFeasibilityArgs (#5671)", () => {
+  it("parses the two required positional discriminants with resolvable-target defaults", () => {
+    expect(parseIdeaFeasibilityArgs(["unclaimed", "none"])).toEqual({
+      claimStatus: "unclaimed",
+      duplicateClusterRisk: "none",
+      targetResolvable: true,
+      acceptanceHints: [],
+      json: false,
+    });
+  });
+
+  it("parses --not-resolvable, repeated --hint, and --json", () => {
+    expect(
+      parseIdeaFeasibilityArgs(["claimed", "medium", "--not-resolvable", "--hint", "retries on 5xx", "--hint", "keeps API stable", "--json"]),
+    ).toEqual({
+      claimStatus: "claimed",
+      duplicateClusterRisk: "medium",
+      targetResolvable: false,
+      acceptanceHints: ["retries on 5xx", "keeps API stable"],
+      json: true,
+    });
+  });
+
+  it("requires exactly two positional arguments", () => {
+    expect(parseIdeaFeasibilityArgs([])).toEqual({
+      error: expect.stringContaining("Usage: loopover-miner idea-feasibility"),
+    });
+    expect(parseIdeaFeasibilityArgs(["unclaimed"])).toEqual({
+      error: expect.stringContaining("Usage: loopover-miner idea-feasibility"),
+    });
+    expect(parseIdeaFeasibilityArgs(["unclaimed", "none", "extra"])).toEqual({
+      error: expect.stringContaining("Usage: loopover-miner idea-feasibility"),
+    });
+  });
+
+  it("rejects an unrecognized claimStatus or duplicateClusterRisk", () => {
+    expect(parseIdeaFeasibilityArgs(["bogus", "none"])).toEqual({
+      error: "claimStatus must be one of: unclaimed, claimed, solved, unknown.",
+    });
+    expect(parseIdeaFeasibilityArgs(["unclaimed", "bogus"])).toEqual({
+      error: "duplicateClusterRisk must be one of: none, low, medium, high.",
+    });
+  });
+
+  it("rejects unknown options", () => {
+    expect(parseIdeaFeasibilityArgs(["unclaimed", "none", "--verbose"])).toEqual({
+      error: "Unknown option: --verbose",
+    });
+  });
+
+  it("rejects --hint with no following value (end of args)", () => {
+    expect(parseIdeaFeasibilityArgs(["unclaimed", "none", "--hint"])).toEqual({
+      error: "--hint requires a value.",
+    });
+  });
+
+  it("rejects --hint whose value looks like another flag", () => {
+    expect(parseIdeaFeasibilityArgs(["unclaimed", "none", "--hint", "--json"])).toEqual({
+      error: "--hint requires a value.",
+    });
+  });
+});
+
+describe("runIdeaFeasibilityCli (#5671)", () => {
+  it("proceeds to compute for a resolvable idea with an objective success signal", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(runIdeaFeasibilityCli(["unclaimed", "none", "--hint", "uploads retry on 5xx"])).toBe(0);
+    expect(log).toHaveBeenCalledWith("proceed: Go: no blocking feasibility signal detected.");
+  });
+
+  it("rejects an idea with no objective success signal (issueStatus invalid) as JSON", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(runIdeaFeasibilityCli(["unclaimed", "none", "--json"])).toBe(0);
+    const payload = JSON.parse(String(log.mock.calls[0]?.[0]));
+    expect(payload).toEqual({
+      disposition: "reject",
+      verdict: "avoid",
+      issueStatus: "invalid",
+      reasons: ["issue_lifecycle_invalid"],
+      summary: "Avoid: issue_lifecycle_invalid.",
+    });
+  });
+
+  it("flags an idea whose target repo does not resolve (target_not_found, issueStatus missing)", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(runIdeaFeasibilityCli(["unclaimed", "none", "--not-resolvable", "--hint", "do a thing", "--json"])).toBe(0);
+    const payload = JSON.parse(String(log.mock.calls[0]?.[0]));
+    expect(payload.disposition).toBe("flag");
+    expect(payload.verdict).toBe("raise");
+    expect(payload.issueStatus).toBe("missing");
+    expect(payload.reasons).toContain("target_not_found");
+  });
+
+  it("prints a usage error to stderr and exits 2 for invalid arguments", () => {
+    const error = vi.spyOn(console, "error").mockImplementation(() => undefined);
+    expect(runIdeaFeasibilityCli(["bogus", "none"])).toBe(2);
+    expect(error).toHaveBeenCalledWith("claimStatus must be one of: unclaimed, claimed, solved, unknown.");
+  });
+
+  it("emits a parseable JSON error object when --json accompanies a bad argument", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    expect(runIdeaFeasibilityCli(["bogus", "none", "--json"])).toBe(2);
+    expect(JSON.parse(String(log.mock.calls[0]?.[0]))).toEqual({
+      ok: false,
+      error: "claimStatus must be one of: unclaimed, claimed, solved, unknown.",
+    });
+  });
+
+  it("accepts an injected buildFeasibilityVerdict for isolation from the real composer", () => {
+    const log = vi.spyOn(console, "log").mockImplementation(() => undefined);
+    const fakeVerdict = vi.fn((): FeasibilityGateResult => ({
+      verdict: "go",
+      avoidReasons: [],
+      raiseReasons: [],
+      summary: "fake verdict",
+    }));
+    expect(
+      runIdeaFeasibilityCli(["unclaimed", "none", "--hint", "x"], { buildFeasibilityVerdict: fakeVerdict }),
+    ).toBe(0);
+    expect(fakeVerdict).toHaveBeenCalledWith({
+      found: true,
+      claimStatus: "unclaimed",
+      duplicateClusterRisk: "none",
+      issueStatus: "ready",
+    });
+    expect(log).toHaveBeenCalledWith("proceed: fake verdict");
+  });
+});
+
+describe("loopover-miner idea-feasibility CLI entrypoint (#5671)", () => {
+  it("lists the idea-feasibility command in --help", () => {
+    const output = runCapture(["--help", "--no-update-check"]);
+    expect(output).toContain("loopover-miner idea-feasibility");
+  });
+
+  it("computes a real disposition end-to-end through the compiled engine dependency", () => {
+    const output = runCapture(["idea-feasibility", "unclaimed", "high", "--hint", "uploads retry on 5xx"]);
+    expect(output.trim()).toBe("reject: Avoid: duplicate_cluster_high.");
+  });
+
+  it("exits with a usage error for a missing positional argument", () => {
+    const output = runCapture(["idea-feasibility", "unclaimed"]);
+    expect(output).toContain("Usage: loopover-miner idea-feasibility");
+  });
+});