diff --git a/src/mcpd/src/main.ts b/src/mcpd/src/main.ts
index 3beb8d0..ac96fe5 100644
--- a/src/mcpd/src/main.ts
+++ b/src/mcpd/src/main.ts
@@ -587,7 +587,7 @@ async function main(): Promise<void> {
 
   // Agentic teams: the Epic is the versioned vision every task walks up to.
   // Revision-tracked so scope creep is as visible as under-delivery.
-  const epicService = new EpicService(epicRepo, projectRepo);
+  const epicService = new EpicService(epicRepo, projectRepo, epicTaskRepo, workTaskRepo);
   epicService.setRevisionService(resourceRevisionService);
   const epicTaskService = new EpicTaskService(epicTaskRepo, epicRepo);
   const workTaskService = new TaskService(workTaskRepo, epicTaskRepo);
diff --git a/src/mcpd/src/routes/epics.ts b/src/mcpd/src/routes/epics.ts
index 0ecf7b4..68a7da8 100644
--- a/src/mcpd/src/routes/epics.ts
+++ b/src/mcpd/src/routes/epics.ts
@@ -37,8 +37,24 @@ export function registerEpicRoutes(
     },
   );
 
+  // Reconciliation rides along with the single Epic read, next to the
+  // completeness it contradicts. Kept off the list route on purpose: it costs a
+  // query per roadmap node, and a mismatch nobody is looking at is only useful
+  // where the misleading percentage is already on screen.
   app.get<{ Params: { id: string } }>('/api/v1/epics/:id', async (request) => {
-    return withCompleteness(await service.getEpic(request.params.id));
+    const epic = await service.getEpic(request.params.id);
+    return {
+      ...withCompleteness(epic),
+      reconciliation: await service.reconciliation(epic.id),
+    };
+  });
+
+  /**
+   * Claimed vs delivered, on its own — for callers that want the mismatch
+   * without dragging along an Epic body that can run to 200KB of content.
+   */
+  app.get<{ Params: { id: string } }>('/api/v1/epics/:id/reconciliation', async (request) => {
+    return service.reconciliation(request.params.id);
   });
 
   // ── Create / Update / Delete ──
diff --git a/src/mcpd/src/services/epic.service.ts b/src/mcpd/src/services/epic.service.ts
index 90b1530..9e5c2ff 100644
--- a/src/mcpd/src/services/epic.service.ts
+++ b/src/mcpd/src/services/epic.service.ts
@@ -1,7 +1,9 @@
-import type { Epic, EpicStatus, Prisma } from '@prisma/client';
+import type { Epic, EpicStatus, EpicTask, EpicTaskStatus, Prisma, Task } from '@prisma/client';
 
 import type { IEpicRepository } from '../repositories/epic.repository.js';
+import type { IEpicTaskRepository } from '../repositories/epic-task.repository.js';
 import type { IProjectRepository } from '../repositories/project.repository.js';
+import type { ITaskRepository } from '../repositories/task.repository.js';
 import {
   CreateEpicSchema,
   UpdateEpicSchema,
@@ -23,12 +25,102 @@ export interface EpicCompleteness {
   unmet: DoneCriterion[];
 }
 
+// ── Reconciliation types ──
+
+/** How much work sits under something, split by whether it actually landed. */
+export interface TaskRollup {
+  /** Tasks in `merged` — the only state that means it is in the product. */
+  merged: number;
+  /**
+   * Neither merged nor cancelled: still owed. `reopened` counts here, because a
+   * post-merge failure means the delivery did not hold.
+   */
+  outstanding: number;
+  /** Abandoned. Counted apart: not delivered, but no longer owed either. */
+  cancelled: number;
+}
+
+/** A roadmap node that claims a criterion, plus what it has actually landed. */
+export interface OwningEpicTask extends TaskRollup {
+  id: string;
+  name: string;
+  /** The node's own claim about itself. Recorded, never used as evidence. */
+  status: EpicTaskStatus;
+}
+
+/** One Epic criterion set against the work delivered under the nodes that own it. */
+export interface CriterionDelivery extends TaskRollup {
+  id: string;
+  text: string;
+  kind: DoneCriterion['kind'];
+  /** The claim — set by a human or agent. Never inferred from task state. */
+  met: boolean;
+  /** Nodes owning this criterion. Empty means nothing can deliver it. */
+  epicTasks: OwningEpicTask[];
+}
+
+/**
+ * Claimed completeness measured against delivered work.
+ *
+ * Both mismatch directions are reported and neither is resolved: a criterion's
+ * `met` flag is a judgement, and inferring it from task state would launder the
+ * exact assumption this comparison exists to challenge.
+ */
+export interface EpicReconciliation {
+  epicId: string;
+  /**
+   * Unmet criteria whose owning node has merged work. Somebody delivered and
+   * nobody ticked the box, so the Epic under-reports itself.
+   */
+  deliveredButUnclaimed: CriterionDelivery[];
+  /**
+   * Criteria marked met with nothing merged underneath. The box is ticked and
+   * nothing shipped — the dangerous direction, and the easy one to forget.
+   */
+  claimedButUndelivered: CriterionDelivery[];
+  /**
+   * Criteria no roadmap node claims. They cannot appear in either list above
+   * because nothing is positioned to deliver them; reporting them separately
+   * keeps that gap from hiding inside a clean-looking reconciliation.
+   */
+  unowned: CriterionDelivery[];
+  /** Every task under the Epic, so the mismatch has a denominator. */
+  tasks: TaskRollup & { total: number };
+  /** True only when all three lists are empty. */
+  consistent: boolean;
+}
+
+/**
+ * The fields the reconciliation rule actually reads. Structural rather than the
+ * full Prisma rows so the pure function stays callable with a small fixture.
+ */
+export type ReconcileNode = Pick<EpicTask, 'id' | 'name' | 'status'> & { doneCriteria: unknown };
+export type ReconcileTask = Pick<Task, 'epicTaskId' | 'state'>;
+
 function badRequest(message: string): Error {
   return Object.assign(new Error(message), { statusCode: 400 });
 }
 
-function readCriteria(epic: Epic): DoneCriterion[] {
-  return (epic.doneCriteria ?? []) as unknown as DoneCriterion[];
+function readCriteria(source: { doneCriteria: unknown }): DoneCriterion[] {
+  return (source.doneCriteria ?? []) as DoneCriterion[];
+}
+
+function rollup(tasks: ReconcileTask[]): TaskRollup {
+  let merged = 0;
+  let cancelled = 0;
+  for (const task of tasks) {
+    if (task.state === 'merged') merged += 1;
+    else if (task.state === 'cancelled') cancelled += 1;
+  }
+  return { merged, outstanding: tasks.length - merged - cancelled, cancelled };
+}
+
+function sumRollup(parts: TaskRollup[]): TaskRollup {
+  return {
+    merged: parts.reduce((n, p) => n + p.merged, 0),
+    outstanding: parts.reduce((n, p) => n + p.outstanding, 0),
+    cancelled: parts.reduce((n, p) => n + p.cancelled, 0),
+  };
 }
 
 function readTradeoffs(epic: Epic): AcceptedTradeoff[] {
@@ -41,6 +133,11 @@ export class EpicService {
   constructor(
     private readonly epicRepo: IEpicRepository,
     private readonly projectRepo: IProjectRepository,
+    // Reconciliation reads down the whole chain — Epic → EpicTask → Task — so
+    // the two lower repositories are required, not injected later. An Epic that
+    // cannot see its own delivered work is the blind spot, not a nice-to-have.
+    private readonly epicTaskRepo: IEpicTaskRepository,
+    private readonly taskRepo: ITaskRepository,
   ) {}
 
   setRevisionService(service: ResourceRevisionService): void {
@@ -66,6 +163,116 @@ export class EpicService {
     };
   }
 
+  // ── Reconciliation: what was claimed vs what was delivered ──
+
+  /**
+   * Compare the Epic's claimed completeness against the work actually merged
+   * under its roadmap.
+   *
+   * `completeness()` above counts only `met` flags, and nothing flips those
+   * automatically — so an Epic whose every Task is merged still reads 0%. That
+   * is precisely the blind spot the Epic exists to remove, hence this second
+   * reading of the same question from the delivery side.
+   *
+   * **How a criterion is attributed to a node.** By criterion id, because that
+   * is the only link the schema offers: `EpicTask.doneCriteria` is documented
+   * as "the decomposed subset of the Epic's doneCriteria this node owns" and
+   * carries the same ids. Nothing enforces it — an id can be missing, shared by
+   * several nodes, or invented — so this treats the convention as a claim and
+   * reports where it does not hold (`unowned`) rather than guessing an owner by
+   * name similarity or ordering. A real foreign key would end the ambiguity.
+   *
+   * **Nothing is written.** `met` stays exactly as a human or agent set it;
+   * deriving it from task state would assert that finishing the tasks means
+   * delivering the vision, which is the assumption under audit.
+   */
+  static reconcile(
+    epic: { id: string; doneCriteria: unknown },
+    nodes: ReconcileNode[],
+    tasks: ReconcileTask[],
+  ): EpicReconciliation {
+    const tasksByNode = new Map<string, ReconcileTask[]>();
+    for (const task of tasks) {
+      tasksByNode.set(task.epicTaskId, [...(tasksByNode.get(task.epicTaskId) ?? []), task]);
+    }
+
+    const ownersByCriterion = new Map<string, OwningEpicTask[]>();
+    for (const node of nodes) {
+      const owner: OwningEpicTask = {
+        id: node.id,
+        name: node.name,
+        status: node.status,
+        ...rollup(tasksByNode.get(node.id) ?? []),
+      };
+      // Deduplicated: nothing stops a node from listing the same id twice, and
+      // that must not double-count its tasks against the criterion.
+      for (const ownedId of new Set(readCriteria(node).map((c) => c.id))) {
+        ownersByCriterion.set(ownedId, [...(ownersByCriterion.get(ownedId) ?? []), owner]);
+      }
+    }
+
+    const deliveredButUnclaimed: CriterionDelivery[] = [];
+    const claimedButUndelivered: CriterionDelivery[] = [];
+    const unowned: CriterionDelivery[] = [];
+
+    for (const criterion of readCriteria(epic)) {
+      const epicTasks = ownersByCriterion.get(criterion.id) ?? [];
+      const entry: CriterionDelivery = {
+        id: criterion.id,
+        text: criterion.text,
+        // Restored backups write doneCriteria as raw JSON without going through
+        // the zod defaults, so neither field can be trusted to be present.
+        kind: criterion.kind ?? 'outcome',
+        met: criterion.met === true,
+        epicTasks,
+        ...sumRollup(epicTasks),
+      };
+
+      if (epicTasks.length === 0) {
+        // No node owns it, so no amount of merged work can speak for it. Note
+        // this catches a *met* orphan too — a box ticked with nothing on the
+        // roadmap even nominally responsible for it.
+        unowned.push(entry);
+      } else if (entry.met && entry.merged === 0) {
+        claimedButUndelivered.push(entry);
+      } else if (!entry.met && entry.merged > 0) {
+        deliveredButUnclaimed.push(entry);
+      }
+    }
+
+    return {
+      epicId: epic.id,
+      deliveredButUnclaimed,
+      claimedButUndelivered,
+      unowned,
+      tasks: { ...rollup(tasks), total: tasks.length },
+      consistent:
+        deliveredButUnclaimed.length === 0 &&
+        claimedButUndelivered.length === 0 &&
+        unowned.length === 0,
+    };
+  }
+
+  /**
+   * Load an Epic's roadmap and every task under it, then reconcile.
+   *
+   * One query per node rather than a join: a roadmap holds a handful of nodes,
+   * `ITaskRepository` already filters by `epicTaskId`, and widening that
+   * interface to save a round-trip on a single-Epic read is not worth the
+   * churn across its call sites.
+   */
+  async reconciliation(id: string): Promise<EpicReconciliation> {
+    const epic = await this.getEpic(id);
+    const nodes = await this.epicTaskRepo.findAll(epic.id);
+
+    const tasks: Task[] = [];
+    for (const node of nodes) {
+      tasks.push(...(await this.taskRepo.findAll({ epicTaskId: node.id })));
+    }
+
+    return EpicService.reconcile(epic, nodes, tasks);
+  }
+
   // ── CRUD ──
 
   async listEpics(projectId?: string): Promise<Epic[]> {
diff --git a/src/mcpd/tests/epic-routes.test.ts b/src/mcpd/tests/epic-routes.test.ts
index 1cc0c27..2244463 100644
--- a/src/mcpd/tests/epic-routes.test.ts
+++ b/src/mcpd/tests/epic-routes.test.ts
@@ -1,10 +1,12 @@
-import type { Epic, Project } from '@prisma/client';
+import type { Epic, EpicTask, Project, Task } from '@prisma/client';
 import Fastify, { type FastifyInstance } from 'fastify';
 import { describe, it, expect, vi, afterEach } from 'vitest';
 
 import { errorHandler } from '../src/middleware/error-handler.js';
 import type { IEpicRepository } from '../src/repositories/epic.repository.js';
+import type { IEpicTaskRepository } from '../src/repositories/epic-task.repository.js';
 import type { IProjectRepository } from '../src/repositories/project.repository.js';
+import type { ITaskRepository, TaskFilters } from '../src/repositories/task.repository.js';
 import { registerEpicRoutes } from '../src/routes/epics.js';
 import { EpicService } from '../src/services/epic.service.js';
 
@@ -36,7 +38,19 @@ const makeProject = (o: Partial<Project> = {}): Project =>
 const criterion = (id: string, met: boolean) =>
   ({ id, text: `criterion ${id}`, kind: 'outcome' as const, met });
 
-async function buildApp(epic: Epic | null = makeEpic(), userId?: string): Promise<{
+/** Roadmap node + work item, trimmed to the fields the reconciliation reads. */
+const node = (id: string, criterionIds: string[]): EpicTask =>
+  ({ id, name: id, status: 'todo', doneCriteria: criterionIds.map((c) => criterion(c, false)) } as unknown as EpicTask);
+
+const workTask = (epicTaskId: string, state: Task['state']): Task =>
+  ({ epicTaskId, state } as Task);
+
+async function buildApp(
+  epic: Epic | null = makeEpic(),
+  userId?: string,
+  nodes: EpicTask[] = [],
+  tasks: Task[] = [],
+): Promise<{
   app: FastifyInstance;
   epicRepo: IEpicRepository & { update: ReturnType<typeof vi.fn> };
 }> {
@@ -60,13 +74,24 @@ async function buildApp(epic: Epic | null = makeEpic(), userId?: string): Promis
     findByName: vi.fn(async (n: string) => (n === 'mcpctl' ? makeProject() : null)),
   } as unknown as IProjectRepository;
 
+  const epicTaskRepo = { findAll: vi.fn(async () => nodes) } as unknown as IEpicTaskRepository;
+  const taskRepo = {
+    findAll: vi.fn(async (filters: TaskFilters = {}) =>
+      tasks.filter((t) => t.epicTaskId === filters.epicTaskId),
+    ),
+  } as unknown as ITaskRepository;
+
   const instance = Fastify();
   instance.setErrorHandler(errorHandler);
   // Stand in for the auth middleware, which normally sets request.userId.
   if (userId !== undefined) {
     instance.addHook('onRequest', async (req) => { req.userId = userId; });
   }
-  registerEpicRoutes(instance, new EpicService(epicRepo, projectRepo), projectRepo);
+  registerEpicRoutes(
+    instance,
+    new EpicService(epicRepo, projectRepo, epicTaskRepo, taskRepo),
+    projectRepo,
+  );
   await instance.ready();
   return { app: instance, epicRepo };
 }
@@ -90,6 +115,54 @@ describe('epic routes', () => {
     expect(one.json().completeness.unmet).toHaveLength(1);
   });
 
+  it('puts the delivered-vs-claimed mismatch next to the misleading percentage', async () => {
+    // 0% claimed, everything merged — reading one without the other is the bug.
+    const built = await buildApp(
+      makeEpic({ doneCriteria: [criterion('wheels', false)] as never }),
+      undefined,
+      [node('n1', ['wheels'])],
+      [workTask('n1', 'merged')],
+    );
+    app = built.app;
+
+    const res = await app.inject({ method: 'GET', url: '/api/v1/epics/epic-1' });
+    expect(res.statusCode).toBe(200);
+    expect(res.json().completeness.percent).toBe(0);
+    expect(res.json().reconciliation.deliveredButUnclaimed.map((c: { id: string }) => c.id))
+      .toEqual(['wheels']);
+    expect(res.json().reconciliation.consistent).toBe(false);
+  });
+
+  it('serves the reconciliation on its own, without the Epic body', async () => {
+    const built = await buildApp(
+      makeEpic({ doneCriteria: [criterion('engine', true)] as never }),
+      undefined,
+      [node('n1', ['engine'])],
+      [],
+    );
+    app = built.app;
+
+    const res = await app.inject({ method: 'GET', url: '/api/v1/epics/epic-1/reconciliation' });
+    expect(res.statusCode).toBe(200);
+    expect(res.json().content).toBeUndefined();
+    expect(res.json().claimedButUndelivered.map((c: { id: string }) => c.id)).toEqual(['engine']);
+  });
+
+  it('404s the reconciliation of an unknown Epic', async () => {
+    const built = await buildApp(null);
+    app = built.app;
+    const res = await app.inject({ method: 'GET', url: '/api/v1/epics/ghost/reconciliation' });
+    expect(res.statusCode).toBe(404);
+  });
+
+  it('keeps the list route free of reconciliation — one query per node is not list work', async () => {
+    const built = await buildApp(makeEpic({ doneCriteria: [criterion('a', false)] as never }));
+    app = built.app;
+    const res = await app.inject({ method: 'GET', url: '/api/v1/epics' });
+    expect(res.json()[0].completeness).toBeDefined();
+    expect(res.json()[0].reconciliation).toBeUndefined();
+  });
+
   it('creates from a project name and stamps the caller as owner', async () => {
     const built = await buildApp(null, 'user-42');
     app = built.app;
diff --git a/src/mcpd/tests/services/epic-service.test.ts b/src/mcpd/tests/services/epic-service.test.ts
index f13a7bb..5485e6b 100644
--- a/src/mcpd/tests/services/epic-service.test.ts
+++ b/src/mcpd/tests/services/epic-service.test.ts
@@ -2,8 +2,11 @@ import type { Epic, Project } from '@prisma/client';
 import { describe, it, expect, vi, beforeEach } from 'vitest';
 
 import type { IEpicRepository } from '../../src/repositories/epic.repository.js';
+import type { IEpicTaskRepository } from '../../src/repositories/epic-task.repository.js';
 import type { IProjectRepository } from '../../src/repositories/project.repository.js';
+import type { ITaskRepository, TaskFilters } from '../../src/repositories/task.repository.js';
 import { EpicService } from '../../src/services/epic.service.js';
+import type { ReconcileNode, ReconcileTask } from '../../src/services/epic.service.js';
 
 function makeEpic(overrides: Partial<Epic> = {}): Epic {
   return {
@@ -28,7 +31,27 @@ function makeEpic(overrides: Partial<Epic> = {}): Epic {
 const criterion = (id: string, met: boolean, kind: 'outcome' | 'quality' = 'outcome') =>
   ({ id, text: `criterion ${id}`, kind, met });
 
-function mockRepos(epic: Epic | null = makeEpic()) {
+/** A roadmap node, trimmed to what the reconciliation rule reads. */
+const node = (
+  id: string,
+  criterionIds: string[],
+  overrides: Partial<ReconcileNode> = {},
+): ReconcileNode => ({
+  id,
+  name: id,
+  status: 'todo',
+  doneCriteria: criterionIds.map((c) => criterion(c, false)),
+  ...overrides,
+});
+
+const task = (epicTaskId: string, state: ReconcileTask['state']): ReconcileTask =>
+  ({ epicTaskId, state });
+
+function mockRepos(
+  epic: Epic | null = makeEpic(),
+  nodes: ReconcileNode[] = [],
+  tasks: ReconcileTask[] = [],
+) {
   let current = epic;
   const update = vi.fn(async (_id: string, data: Record<string, unknown>) => {
     current = { ...(current as Epic), ...data } as Epic;
@@ -49,7 +72,25 @@ function mockRepos(epic: Epic | null = makeEpic()) {
     findByName: vi.fn(async () => ({ id: 'proj-1', name: 'mcpctl' } as Project)),
   } as unknown as IProjectRepository;
 
-  return { epicRepo, projectRepo, service: new EpicService(epicRepo, projectRepo) };
+  const epicTaskRepo = { findAll: vi.fn(async () => nodes) };
+  const taskRepo = {
+    findAll: vi.fn(async (filters: TaskFilters = {}) =>
+      tasks.filter((t) => t.epicTaskId === filters.epicTaskId),
+    ),
+  };
+
+  return {
+    epicRepo,
+    projectRepo,
+    epicTaskRepo,
+    taskRepo,
+    service: new EpicService(
+      epicRepo,
+      projectRepo,
+      epicTaskRepo as unknown as IEpicTaskRepository,
+      taskRepo as unknown as ITaskRepository,
+    ),
+  };
 }
 
 describe('EpicService.completeness', () => {
@@ -78,6 +119,219 @@ describe('EpicService.completeness', () => {
   });
 });
 
+describe('EpicService.reconcile — claimed vs delivered', () => {
+  const ids = (list: Array<{ id: string }>) => list.map((c) => c.id);
+
+  it('flags work that was delivered and never claimed', () => {
+    // The motivating bug: every task merged, the Epic still reads 0%.
+    const epic = { id: 'epic-1', doneCriteria: [criterion('wheels', false)] };
+    const result = EpicService.reconcile(
+      epic,
+      [node('n1', ['wheels'])],
+      [task('n1', 'merged'), task('n1', 'merged')],
+    );
+
+    expect(ids(result.deliveredButUnclaimed)).toEqual(['wheels']);
+    expect(result.deliveredButUnclaimed[0]?.merged).toBe(2);
+    expect(result.claimedButUndelivered).toEqual([]);
+    expect(result.consistent).toBe(false);
+  });
+
+  it('flags a criterion claimed with nothing merged under it', () => {
+    const epic = { id: 'epic-1', doneCriteria: [criterion('engine', true)] };
+    const result = EpicService.reconcile(
+      epic,
+      [node('n1', ['engine'])],
+      [task('n1', 'awaiting_review')],
+    );
+
+    expect(ids(result.claimedButUndelivered)).toEqual(['engine']);
+    expect(result.claimedButUndelivered[0]).toMatchObject({ merged: 0, outstanding: 1 });
+  });
+
+  it('flags a claim over a node that has no tasks at all', () => {
+    // Not-yet-decomposed is still nothing shipped — same bucket, and the empty
+    // rollup is what tells the two apart.
+    const epic = { id: 'epic-1', doneCriteria: [criterion('engine', true)] };
+    const result = EpicService.reconcile(epic, [node('n1', ['engine'])], []);
+
+    expect(ids(result.claimedButUndelivered)).toEqual(['engine']);
+    expect(result.claimedButUndelivered[0]).toMatchObject({
+      merged: 0,
+      outstanding: 0,
+      cancelled: 0,
+    });
+  });
+
+  it('reports both directions from one pass over a mixed Epic', () => {
+    const epic = {
+      id: 'epic-1',
+      doneCriteria: [
+        criterion('wheels', false), // delivered, unclaimed
+        criterion('engine', true), // claimed, nothing merged
+        criterion('paint', true), // claimed and delivered — agrees
+        criterion('seats', false), // neither — just not done yet
+      ],
+    };
+    const result = EpicService.reconcile(
+      epic,
+      [node('n1', ['wheels']), node('n2', ['engine']), node('n3', ['paint']), node('n4', ['seats'])],
+      [task('n1', 'merged'), task('n2', 'in_progress'), task('n3', 'merged'), task('n4', 'todo')],
+    );
+
+    expect(ids(result.deliveredButUnclaimed)).toEqual(['wheels']);
+    expect(ids(result.claimedButUndelivered)).toEqual(['engine']);
+    expect(result.unowned).toEqual([]);
+    expect(result.tasks).toEqual({ merged: 2, outstanding: 2, cancelled: 0, total: 4 });
+  });
+
+  it('reports criteria no roadmap node owns, instead of silently dropping them', () => {
+    // There is no foreign key from criterion to epictask — only the id
+    // convention. When it does not hold, say so rather than guessing an owner.
+    const epic = {
+      id: 'epic-1',
+      doneCriteria: [criterion('orphan', false), criterion('claimed-orphan', true)],
+    };
+    const result = EpicService.reconcile(epic, [node('n1', ['something-else'])], [task('n1', 'merged')]);
+
+    expect(ids(result.unowned)).toEqual(['orphan', 'claimed-orphan']);
+    // A met criterion nothing is even nominally responsible for must not be
+    // laundered into the "agrees" pile by having no owner to contradict it.
+    expect(result.unowned[1]?.met).toBe(true);
+    expect(result.deliveredButUnclaimed).toEqual([]);
+    expect(result.claimedButUndelivered).toEqual([]);
+    expect(result.consistent).toBe(false);
+  });
+
+  it('treats cancelled tasks as neither delivered nor outstanding', () => {
+    // Counting them as owed would leave an epictask permanently undelivered
+    // because somebody abandoned a task; counting them as delivered is a lie.
+    const epic = { id: 'epic-1', doneCriteria: [criterion('engine', true)] };
+    const result = EpicService.reconcile(
+      epic,
+      [node('n1', ['engine'])],
+      [task('n1', 'cancelled'), task('n1', 'cancelled')],
+    );
+
+    expect(ids(result.claimedButUndelivered)).toEqual(['engine']);
+    expect(result.tasks).toEqual({ merged: 0, outstanding: 0, cancelled: 2, total: 2 });
+  });
+
+  it('does not count a reopened task as delivered — the merge did not hold', () => {
+    const epic = { id: 'epic-1', doneCriteria: [criterion('engine', true)] };
+    const result = EpicService.reconcile(epic, [node('n1', ['engine'])], [task('n1', 'reopened')]);
+
+    expect(ids(result.claimedButUndelivered)).toEqual(['engine']);
+    expect(result.tasks.outstanding).toBe(1);
+  });
+
+  it('sums across every node that claims the same criterion', () => {
+    const epic = { id: 'epic-1', doneCriteria: [criterion('wheels', false)] };
+    const result = EpicService.reconcile(
+      epic,
+      [node('n1', ['wheels']), node('n2', ['wheels'])],
+      [task('n1', 'todo'), task('n2', 'merged')],
+    );
+
+    // One entry, not two, and delivered because one owner landed work.
+    expect(result.deliveredButUnclaimed).toHaveLength(1);
+    expect(result.deliveredButUnclaimed[0]?.epicTasks.map((n) => n.id)).toEqual(['n1', 'n2']);
+    expect(result.deliveredButUnclaimed[0]).toMatchObject({ merged: 1, outstanding: 1 });
+  });
+
+  it('ignores an epictask status claim — only merged tasks count as delivery', () => {
+    // The node says done. Nothing merged. That is the mismatch, not evidence.
+    const epic = { id: 'epic-1', doneCriteria: [criterion('engine', true)] };
+    const result = EpicService.reconcile(
+      epic,
+      [node('n1', ['engine'], { status: 'done' })],
+      [task('n1', 'awaiting_review')],
+    );
+
+    expect(ids(result.claimedButUndelivered)).toEqual(['engine']);
+    expect(result.claimedButUndelivered[0]?.epicTasks[0]?.status).toBe('done');
+  });
+
+  it('never flips met — it reports the gap and leaves the judgement alone', () => {
+    const epic = { id: 'epic-1', doneCriteria: [criterion('wheels', false)] };
+    const result = EpicService.reconcile(epic, [node('n1', ['wheels'])], [task('n1', 'merged')]);
+
+    expect(result.deliveredButUnclaimed[0]?.met).toBe(false);
+    expect(epic.doneCriteria[0]?.met).toBe(false);
+  });
+
+  it('is consistent only when nothing disagrees', () => {
+    const epic = { id: 'epic-1', doneCriteria: [criterion('wheels', true)] };
+    const result = EpicService.reconcile(epic, [node('n1', ['wheels'])], [task('n1', 'merged')]);
+
+    expect(result.consistent).toBe(true);
+    expect(result.deliveredButUnclaimed).toEqual([]);
+    expect(result.claimedButUndelivered).toEqual([]);
+    expect(result.unowned).toEqual([]);
+  });
+
+  it('is consistent on an Epic with no criteria and no work', () => {
+    expect(EpicService.reconcile({ id: 'epic-1', doneCriteria: [] }, [], []).consistent).toBe(true);
+  });
+
+  it('survives criteria restored as raw JSON without kind or met', () => {
+    // upsertByName writes doneCriteria straight from a backup document, so the
+    // zod defaults never ran.
+    const epic = { id: 'epic-1', doneCriteria: [{ id: 'wheels', text: 'has wheels' }] };
+    const result = EpicService.reconcile(
+      epic,
+      [{ id: 'n1', name: 'n1', status: 'todo', doneCriteria: [{ id: 'wheels' }] }],
+      [task('n1', 'merged')],
+    );
+
+    expect(result.deliveredButUnclaimed[0]).toMatchObject({ kind: 'outcome', met: false });
+  });
+
+  it('tolerates a null doneCriteria column on either side', () => {
+    const result = EpicService.reconcile(
+      { id: 'epic-1', doneCriteria: null },
+      [{ id: 'n1', name: 'n1', status: 'todo', doneCriteria: null }],
+      [task('n1', 'merged')],
+    );
+    expect(result.consistent).toBe(true);
+    expect(result.tasks.merged).toBe(1);
+  });
+});
+
+describe('EpicService.reconciliation — loading the chain', () => {
+  beforeEach(() => { vi.clearAllMocks(); });
+
+  it('walks Epic → epictasks → tasks and reconciles what it finds', async () => {
+    const { service, epicTaskRepo, taskRepo } = mockRepos(
+      makeEpic({ doneCriteria: [criterion('wheels', false)] as never }),
+      [node('n1', ['wheels'])],
+      [task('n1', 'merged')],
+    );
+
+    const result = await service.reconciliation('epic-1');
+
+    expect(epicTaskRepo.findAll).toHaveBeenCalledWith('epic-1');
+    expect(taskRepo.findAll).toHaveBeenCalledWith({ epicTaskId: 'n1' });
+    expect(result.deliveredButUnclaimed.map((c) => c.id)).toEqual(['wheels']);
+  });
+
+  it('writes nothing — reconciliation is a reading, not a repair', async () => {
+    const { service, epicRepo } = mockRepos(
+      makeEpic({ doneCriteria: [criterion('wheels', false)] as never }),
+      [node('n1', ['wheels'])],
+      [task('n1', 'merged')],
+    );
+
+    await service.reconciliation('epic-1');
+    expect(epicRepo.update).not.toHaveBeenCalled();
+  });
+
+  it('404s on an unknown Epic', async () => {
+    const { service } = mockRepos(null);
+    await expect(service.reconciliation('ghost')).rejects.toThrow(/Epic not found/);
+  });
+});
+
 describe('EpicService.setStatus — the honest-done rule', () => {
   beforeEach(() => { vi.clearAllMocks(); });
 
diff --git a/src/mcplocal/tests/smoke/agentic-teams.smoke.test.ts b/src/mcplocal/tests/smoke/agentic-teams.smoke.test.ts
index b208b4e..74e1129 100644
--- a/src/mcplocal/tests/smoke/agentic-teams.smoke.test.ts
+++ b/src/mcplocal/tests/smoke/agentic-teams.smoke.test.ts
@@ -169,4 +169,54 @@ describe('agentic teams smoke', () => {
     expect(withNote.code, withNote.stderr || withNote.stdout).toBe(0);
     expect(withNote.stdout).toMatch(/rejected → in_progress/);
   });
+
+  it('reports work delivered but never claimed, and does not tick the box itself', () => {
+    if (!up) return;
+
+    // Give the roadmap node the Epic criterion it owns. There is no
+    // `create epictask --criterion` flag, so apply is the only way in.
+    const path = join(workDir as string, 'epictask-criteria.yaml');
+    writeFileSync(
+      path,
+      `kind: epictask\nname: ${EPICTASK}\nepic: ${EPIC}\n` +
+        'doneCriteria:\n  - id: builds\n    text: it builds\n    kind: outcome\n    met: false\n',
+      'utf-8',
+    );
+    const applied = run(`apply -f ${path}`);
+    expect(applied.code, applied.stderr || applied.stdout).toBe(0);
+
+    // Drive the rejected task all the way to merged. The QA verdict recorded
+    // earlier still stands, so the risk gate is already satisfied.
+    for (const state of ['building', 'self_testing', 'done', 'awaiting_review']) {
+      const r = run(`tasks advance ${TASK} ${state}`);
+      expect(r.code, `${state}: ${r.stderr || r.stdout}`).toBe(0);
+    }
+    const accepted = run(`tasks accept ${TASK} --note "ship it"`);
+    expect(accepted.code, accepted.stderr || accepted.stdout).toBe(0);
+
+    const json = run(`get epic ${EPIC} -o json`);
+    expect(json.code, json.stderr).toBe(0);
+    const [epic] = JSON.parse(json.stdout) as Array<{
+      completeness: { percent: number; met: number };
+      reconciliation: {
+        deliveredButUnclaimed: Array<{ id: string; met: boolean; merged: number }>;
+        unowned: Array<{ id: string }>;
+        consistent: boolean;
+      };
+    }>;
+
+    // The blind spot, stated out loud: everything merged, still 0% claimed.
+    expect(epic?.completeness.percent).toBe(0);
+    expect(epic?.reconciliation.deliveredButUnclaimed.map((c) => c.id)).toEqual(['builds']);
+    expect(epic?.reconciliation.deliveredButUnclaimed[0]?.merged).toBe(1);
+    expect(epic?.reconciliation.consistent).toBe(false);
+
+    // The quality criterion no node claimed is reported as unowned rather than
+    // quietly counted as either delivered or outstanding.
+    expect(epic?.reconciliation.unowned).toHaveLength(1);
+
+    // And the judgement is still the human's: reporting the gap must not close it.
+    expect(epic?.completeness.met).toBe(0);
+    expect(epic?.reconciliation.deliveredButUnclaimed[0]?.met).toBe(false);
+  });
 });