diff --git a/COMMANDS.md b/COMMANDS.md
index 5ac8c3c..577e1ec 100644
--- a/COMMANDS.md
+++ b/COMMANDS.md
@@ -203,6 +203,7 @@ fable-agent plinius godmode "improve explanation quality"
 - `fable5 route <task>`
   - `-d, --domain <domain>`
 - `fable5 models`
+- `fable5 flue`
 - `fable5 verify <task>`
   - `--repo <path>`
 - `fable5 goal <text>`
diff --git a/src/fable5/flue-interop.test.ts b/src/fable5/flue-interop.test.ts
new file mode 100644
index 0000000..2e25f3d
--- /dev/null
+++ b/src/fable5/flue-interop.test.ts
@@ -0,0 +1,16 @@
+import { describe, expect, it } from "vitest";
+import { FLUE_INTEROP_ROWS, formatFlueInteropReport, summarizeFlueInterop } from "./flue-interop.js";
+
+describe("flue interop map", () => {
+  it("keeps Flue as an inspiration map, not vendored code", () => {
+    const report = formatFlueInteropReport();
+
+    expect(FLUE_INTEROP_ROWS.length).toBeGreaterThan(5);
+    expect(report).toContain("no vendored Flue code");
+    expect(report).toContain("next implementable patch: channels");
+  });
+
+  it("prioritizes gaps before partials", () => {
+    expect(summarizeFlueInterop().next.flueConcept).toBe("channels");
+  });
+});
diff --git a/src/fable5/flue-interop.ts b/src/fable5/flue-interop.ts
new file mode 100644
index 0000000..15f5a22
--- /dev/null
+++ b/src/fable5/flue-interop.ts
@@ -0,0 +1,92 @@
+export type FlueInteropStatus = "covered" | "partial" | "gap";
+
+export interface FlueInteropRow {
+  flueConcept: string;
+  fableSurface: string;
+  status: FlueInteropStatus;
+  nextPatch: string;
+}
+
+export const FLUE_INTEROP_ROWS: FlueInteropRow[] = [
+  {
+    flueConcept: "agents",
+    fableSurface: "fable5 meta/teams/chains",
+    status: "covered",
+    nextPatch: "Keep using existing MetaAgent, AgentTeams, and AgentChain surfaces.",
+  },
+  {
+    flueConcept: "workflows",
+    fableSurface: "fable5 workflow + DynamicWorkflows",
+    status: "covered",
+    nextPatch: "No new engine; add examples only when a real workflow needs them.",
+  },
+  {
+    flueConcept: "sandboxes",
+    fableSurface: "WorktreeManager + factory agent-sandbox capability",
+    status: "partial",
+    nextPatch: "Add a sandbox command adapter after one deploy path needs isolation beyond git worktrees.",
+  },
+  {
+    flueConcept: "durable execution",
+    fableSurface: "session checkpointing + StateStore + ZTE receipts",
+    status: "partial",
+    nextPatch: "Record workflow step receipts so interrupted multi-step runs resume from the last passed step.",
+  },
+  {
+    flueConcept: "subagents",
+    fableSurface: "fable5 teams + fan-out workflow",
+    status: "covered",
+    nextPatch: "Use existing team roles; do not add another subagent abstraction.",
+  },
+  {
+    flueConcept: "tools and skills",
+    fableSurface: "SkillRegistry + SKILLS sync + factory capability registry",
+    status: "covered",
+    nextPatch: "Bridge manifests only; do not vendor Flue tool code.",
+  },
+  {
+    flueConcept: "MCP",
+    fableSurface: "factory capability registry",
+    status: "partial",
+    nextPatch: "Add optional MCP endpoint fields to the registry when a live MCP server is adopted.",
+  },
+  {
+    flueConcept: "observability",
+    fableSurface: "agent-observability + Prometheus/Grafana factory services",
+    status: "covered",
+    nextPatch: "Expose existing metrics in receipts before adding tracing code.",
+  },
+  {
+    flueConcept: "channels",
+    fableSurface: "none explicit",
+    status: "gap",
+    nextPatch: "Add a tiny channel manifest: stdin/stdout/files/http/webhook capabilities per executor.",
+  },
+];
+
+export function summarizeFlueInterop(rows: FlueInteropRow[] = FLUE_INTEROP_ROWS): { covered: number; partial: number; gap: number; next: FlueInteropRow } {
+  const counts = rows.reduce(
+    (acc, row) => ({ ...acc, [row.status]: acc[row.status] + 1 }),
+    { covered: 0, partial: 0, gap: 0 },
+  );
+  return { ...counts, next: rows.find((row) => row.status === "gap") ?? rows.find((row) => row.status === "partial") ?? rows[0] };
+}
+
+export function formatFlueInteropReport(rows: FlueInteropRow[] = FLUE_INTEROP_ROWS): string {
+  const summary = summarizeFlueInterop(rows);
+  const lines = rows.map((row) =>
+    `  ${row.status.toUpperCase().padEnd(7)} ${row.flueConcept.padEnd(18)} → ${row.fableSurface}\n          next: ${row.nextPatch}`,
+  );
+
+  return [
+    "",
+    "  Flue inspiration map (no vendored Flue code)",
+    "  ─────────────────────────────",
+    `  covered=${summary.covered} partial=${summary.partial} gap=${summary.gap}`,
+    "",
+    ...lines,
+    "",
+    `  next implementable patch: ${summary.next.flueConcept} — ${summary.next.nextPatch}`,
+    "",
+  ].join("\n");
+}
diff --git a/src/fable5/index.ts b/src/fable5/index.ts
index 8dcb819..ee985ea 100644
--- a/src/fable5/index.ts
+++ b/src/fable5/index.ts
@@ -47,5 +47,8 @@ export type { ZteReceipt, ZteSpec, ZteSpecOptions } from "./zte-protocol.js";
 export { formatCapabilityReport, loadFactoryCapabilities, parseFactoryCapabilities, probeFactoryCapabilities } from "./factory-capabilities.js";
 export type { CapabilityProbeResult, CapabilityReport, FactoryCapabilityService } from "./factory-capabilities.js";
 
+export { FLUE_INTEROP_ROWS, formatFlueInteropReport, summarizeFlueInterop } from "./flue-interop.js";
+export type { FlueInteropRow, FlueInteropStatus } from "./flue-interop.js";
+
 export { createForgejoIntakeReceipt, intakeForgejoItem, parseForgejoRef, routeForgejoLabels } from "./forgejo-intake.js";
 export type { ForgejoIntakeKind, ForgejoIntakeOptions, ForgejoIntakeReceipt, ForgejoIntakeSource, ForgejoItem, ForgejoRoute } from "./forgejo-intake.js";
diff --git a/src/index.ts b/src/index.ts
index 2b0bb2d..70b10d9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1579,6 +1579,14 @@ fable
     console.log(`  `);
   });
 
+fable
+  .command("flue")
+  .description("Show Flue-inspired interop gaps without vendoring Flue")
+  .action(async () => {
+    const { formatFlueInteropReport } = await import("./fable5/flue-interop.js");
+    console.log(formatFlueInteropReport());
+  });
+
 fable
   .command("verify <task>")
   .description("Run independent verifier against a task")