diff --git a/apps/memos-local-plugin/core/pipeline/memory-core.ts b/apps/memos-local-plugin/core/pipeline/memory-core.ts
index cfb37f64e..3281018b5 100644
--- a/apps/memos-local-plugin/core/pipeline/memory-core.ts
+++ b/apps/memos-local-plugin/core/pipeline/memory-core.ts
@@ -3158,7 +3158,7 @@ export function createMemoryCore(
     includeAllNamespaces?: boolean;
   }): Promise<TraceDTO[]> {
     ensureLive();
-    const limit = Math.max(1, Math.min(500, input?.limit ?? 50));
+    const limit = Math.max(1, Math.min(10_000, input?.limit ?? 50));
     const offset = Math.max(0, input?.offset ?? 0);
     const needle = (input?.q ?? "").trim().toLowerCase();
 
diff --git a/apps/memos-local-plugin/core/storage/repos/_helpers.ts b/apps/memos-local-plugin/core/storage/repos/_helpers.ts
index 8fde00488..645451f88 100644
--- a/apps/memos-local-plugin/core/storage/repos/_helpers.ts
+++ b/apps/memos-local-plugin/core/storage/repos/_helpers.ts
@@ -55,7 +55,7 @@ export function buildPageClauses(opts: PageOptions | undefined, tsColumn: string
 
 export function clampLimit(n: number): number {
   if (!Number.isFinite(n) || n <= 0) return 50;
-  return Math.min(Math.trunc(n), 500);
+  return Math.min(Math.trunc(n), 10_000);
 }
 
 export function timeRangeWhere(
diff --git a/apps/memos-local-plugin/core/storage/repos/traces.ts b/apps/memos-local-plugin/core/storage/repos/traces.ts
index 20ea1a5fc..1c425fb12 100644
--- a/apps/memos-local-plugin/core/storage/repos/traces.ts
+++ b/apps/memos-local-plugin/core/storage/repos/traces.ts
@@ -251,7 +251,7 @@ export function makeTracesRepo(db: StorageDb) {
         Object.assign(params, visibility.params);
       }
       const where = joinWhere(fragments);
-      const limit = Math.max(1, Math.min(500, filter.limit ?? 50));
+      const limit = Math.max(1, Math.min(10_000, filter.limit ?? 50));
       const offset = Math.max(0, filter.offset ?? 0);
       params.limit = limit;
       params.offset = offset;
diff --git a/apps/memos-local-plugin/tests/unit/storage/traces-count.test.ts b/apps/memos-local-plugin/tests/unit/storage/traces-count.test.ts
new file mode 100644
index 000000000..888d691aa
--- /dev/null
+++ b/apps/memos-local-plugin/tests/unit/storage/traces-count.test.ts
@@ -0,0 +1,116 @@
+import { describe, it, expect, beforeEach } from "vitest";
+import Database from "better-sqlite3";
+import { makeTracesRepo } from "../../../core/storage/repos/traces.js";
+import type { TraceRow } from "../../../agent-contract/dto.js";
+
+describe("traces count with > 500 items", () => {
+  let db: Database.Database;
+  let repo: ReturnType<typeof makeTracesRepo>;
+
+  beforeEach(() => {
+    db = new Database(":memory:");
+    db.exec(`
+      CREATE TABLE traces (
+        id TEXT PRIMARY KEY,
+        episode_id TEXT,
+        session_id TEXT NOT NULL,
+        owner_agent_kind TEXT,
+        owner_profile_id TEXT,
+        owner_workspace_id TEXT,
+        ts INTEGER NOT NULL,
+        user_text TEXT,
+        agent_text TEXT,
+        summary TEXT,
+        tool_calls_json TEXT,
+        reflection TEXT,
+        agent_thinking TEXT,
+        value REAL NOT NULL DEFAULT 0,
+        alpha REAL NOT NULL DEFAULT 0,
+        r_human REAL,
+        priority REAL NOT NULL DEFAULT 0,
+        tags_json TEXT,
+        error_signatures_json TEXT,
+        vec_summary BLOB,
+        vec_action BLOB,
+        share_scope TEXT,
+        share_target TEXT,
+        shared_at INTEGER,
+        turn_id INTEGER NOT NULL DEFAULT 0,
+        schema_version INTEGER NOT NULL DEFAULT 1
+      );
+      CREATE INDEX idx_traces_ts ON traces(ts);
+      CREATE INDEX idx_traces_episode_turn ON traces(episode_id, turn_id, ts);
+    `);
+    repo = makeTracesRepo(db);
+  });
+
+  it("count() should return accurate count > 500", () => {
+    // Insert 600 traces
+    for (let i = 0; i < 600; i++) {
+      const trace: TraceRow = {
+        id: `trace-${i}`,
+        episodeId: `episode-${Math.floor(i / 10)}`,
+        sessionId: "session-1",
+        ts: Date.now() + i,
+        userText: `user ${i}`,
+        agentText: `agent ${i}`,
+        summary: `summary ${i}`,
+        toolCalls: [],
+        value: 0,
+        alpha: 0,
+        priority: 0,
+        tags: [],
+        errorSignatures: [],
+        turnId: i,
+        schemaVersion: 1,
+      };
+      repo.insert(trace);
+    }
+
+    // Verify count returns 600
+    const count = repo.count();
+    expect(count).toBe(600);
+
+    // Verify list with no limit still caps at 500
+    const listed = repo.list({});
+    expect(listed.length).toBe(500);
+
+    // Verify list with explicit high limit also caps at 500
+    const listedWithLimit = repo.list({ limit: 10000 });
+    expect(listedWithLimit.length).toBe(500);
+  });
+
+  it("countTurns() should return accurate count > 500", () => {
+    // Insert 600 turns (each with 2 traces)
+    for (let turnId = 0; turnId < 600; turnId++) {
+      for (let traceIdx = 0; traceIdx < 2; traceIdx++) {
+        const trace: TraceRow = {
+          id: `trace-${turnId}-${traceIdx}`,
+          episodeId: `episode-${Math.floor(turnId / 10)}`,
+          sessionId: "session-1",
+          ts: Date.now() + turnId * 100 + traceIdx,
+          userText: `user ${turnId}`,
+          agentText: `agent ${turnId}`,
+          summary: `summary ${turnId}`,
+          toolCalls: [],
+          value: 0,
+          alpha: 0,
+          priority: 0,
+          tags: [],
+          errorSignatures: [],
+          turnId,
+          schemaVersion: 1,
+        };
+        repo.insert(trace);
+      }
+    }
+
+    // Verify countTurns returns 600 (unique turn keys)
+    const turnCount = repo.countTurns();
+    expect(turnCount).toBe(600);
+
+    // Verify total trace count is 1200
+    const traceCount = repo.count();
+    expect(traceCount).toBe(1200);
+  });
+});