diff --git a/packages/core/src/session.ts b/packages/core/src/session.ts
index 5dae699733f8..d5fda7005c3a 100644
--- a/packages/core/src/session.ts
+++ b/packages/core/src/session.ts
@@ -2,7 +2,7 @@ export * as SessionV2 from "./session"
 export * from "./session/schema"
 
 import { DateTime, Effect, Layer, Schema, Context, Stream } from "effect"
-import { and, asc, desc, eq, gt, like, lt, or, type SQL } from "drizzle-orm"
+import { and, asc, desc, eq, gt, gte, like, lt, or, type SQL } from "drizzle-orm"
 import { ProjectV2 } from "./project"
 import { WorkspaceV2 } from "./workspace"
 import { ModelV2 } from "./model"
@@ -248,6 +248,13 @@ export const layer = Layer.effect(
         if ("directory" in input) conditions.push(eq(SessionTable.directory, input.directory))
         if (input.workspaceID) conditions.push(eq(SessionTable.workspace_id, input.workspaceID))
         if ("project" in input) conditions.push(eq(SessionTable.project_id, input.project))
+        if ("subpath" in input && input.subpath)
+          conditions.push(
+            or(
+              eq(SessionTable.path, input.subpath),
+              and(gte(SessionTable.path, `${input.subpath}/`), lt(SessionTable.path, `${input.subpath}0`)),
+            )!,
+          )
         if (input.search) conditions.push(like(SessionTable.title, `%${input.search}%`))
         if (input.anchor) {
           conditions.push(
diff --git a/packages/core/test/session-create.test.ts b/packages/core/test/session-create.test.ts
index 6fd80c60da1d..3020ae1e834a 100644
--- a/packages/core/test/session-create.test.ts
+++ b/packages/core/test/session-create.test.ts
@@ -11,7 +11,7 @@ import { ModelV2 } from "@opencode-ai/core/model"
 import { ProjectV2 } from "@opencode-ai/core/project"
 import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { ProviderV2 } from "@opencode-ai/core/provider"
-import { AbsolutePath } from "@opencode-ai/core/schema"
+import { AbsolutePath, RelativePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
 import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { Prompt } from "@opencode-ai/core/session/prompt"
@@ -426,3 +426,54 @@ describe("SessionV2.create", () => {
     }),
   )
 })
+
+describe("SessionV2.list", () => {
+  it.effect("limits project sessions to the requested subpath", () =>
+    Effect.gen(function* () {
+      const session = yield* SessionV2.Service
+      const { db } = yield* Database.Service
+      const core = yield* session.create({ location })
+      const nested = yield* session.create({ location })
+      const web = yield* session.create({ location })
+
+      yield* Effect.all([
+        db.update(SessionTable).set({ path: "packages/core" }).where(eq(SessionTable.id, core.id)).run(),
+        db.update(SessionTable).set({ path: "packages/core/test" }).where(eq(SessionTable.id, nested.id)).run(),
+        db.update(SessionTable).set({ path: "packages/web" }).where(eq(SessionTable.id, web.id)).run(),
+      ]).pipe(Effect.orDie)
+
+      const listed = yield* session.list({
+        project: ProjectV2.ID.global,
+        subpath: RelativePath.make("packages/core"),
+      })
+
+      expect(new Set(listed.map((item) => item.id))).toEqual(new Set([core.id, nested.id]))
+    }),
+  )
+
+  it.effect("treats wildcard characters in subpaths literally", () =>
+    Effect.gen(function* () {
+      const session = yield* SessionV2.Service
+      const { db } = yield* Database.Service
+      const exact = yield* session.create({ location })
+      const nested = yield* session.create({ location })
+      const sibling = yield* session.create({ location })
+
+      yield* Effect.all([
+        db.update(SessionTable).set({ path: "packages/core_test" }).where(eq(SessionTable.id, exact.id)).run(),
+        db.update(SessionTable).set({ path: "packages/core_test/unit" }).where(eq(SessionTable.id, nested.id)).run(),
+        db.update(SessionTable).set({ path: "packages/coreXtest/unit" }).where(eq(SessionTable.id, sibling.id)).run(),
+      ]).pipe(Effect.orDie)
+
+      const listed = yield* session.list({
+        project: ProjectV2.ID.global,
+        subpath: RelativePath.make("packages/core_test"),
+      })
+
+      const ids = listed.map((item) => item.id)
+      expect(ids).toContain(exact.id)
+      expect(ids).toContain(nested.id)
+      expect(ids).not.toContain(sibling.id)
+    }),
+  )
+})