diff --git a/client/src/i18n/locales/en/artifacts.json b/client/src/i18n/locales/en/artifacts.json
index 34be8092..4e20010c 100644
--- a/client/src/i18n/locales/en/artifacts.json
+++ b/client/src/i18n/locales/en/artifacts.json
@@ -142,6 +142,11 @@
"installsYou": "You",
"installsUnknown": "A removed user",
"installsReplaced": "replaced an older copy",
+ "versionAt": "Updated {{ago}}",
+ "versionAtFull": "Last updated {{date}}",
+ "installState.latest": "Latest",
+ "installState.outdated": "Old version",
+ "installState.removed": "Removed",
"installsPluginWhere": "claude plugin install --scope user",
"installsUnrecorded": "{{count}} earlier installs were counted before details were kept",
"installsNoneOfYours": "You have not installed it — only your own installs are listed.",
@@ -185,7 +190,7 @@
"stat.installs": "Installs",
"stat.files": "Files",
"stat.size": "Size",
- "stat.updated": "Updated",
+ "stat.updated": "Last updated",
"detail.runAs": "Run it as",
"detail.market": "Marketplace",
"detail.added": "Added {{date}}",
diff --git a/client/src/i18n/locales/vi/artifacts.json b/client/src/i18n/locales/vi/artifacts.json
index 233b828c..393450de 100644
--- a/client/src/i18n/locales/vi/artifacts.json
+++ b/client/src/i18n/locales/vi/artifacts.json
@@ -143,6 +143,11 @@
"installsYou": "Bạn",
"installsUnknown": "Người dùng đã xoá",
"installsReplaced": "thay bản cũ",
+ "versionAt": "Cập nhật {{ago}}",
+ "versionAtFull": "Cập nhật lần cuối {{date}}",
+ "installState.latest": "Bản mới nhất",
+ "installState.outdated": "Bản cũ",
+ "installState.removed": "Đã gỡ",
"installsPluginWhere": "claude plugin install --scope user",
"installsUnrecorded": "{{count}} lượt cài trước đây chỉ được đếm, không lưu chi tiết",
"installsNoneOfYours": "Bạn chưa cài — chỉ hiện các lượt cài của bạn.",
@@ -186,7 +191,7 @@
"stat.installs": "Lượt cài",
"stat.files": "File",
"stat.size": "Dung lượng",
- "stat.updated": "Cập nhật",
+ "stat.updated": "Cập nhật lần cuối",
"detail.runAs": "Gọi bằng",
"detail.market": "Marketplace",
"detail.added": "Thêm lúc {{date}}",
diff --git a/client/src/lib/api.ts b/client/src/lib/api.ts
index 9c857d2e..ef9345b5 100644
--- a/client/src/lib/api.ts
+++ b/client/src/lib/api.ts
@@ -4720,11 +4720,21 @@ export interface Artifact {
suggestedForMe?: boolean;
createdAt: string;
updatedAt: string;
+ /** When its content last changed (a new snapshot); a page or plugin: when it was added. */
+ versionAt: string;
}
/** GET /api/artifacts/:id/installs. `paths` only for your own installs (or an admin). */
export interface ArtifactInstalls {
- items: { user: string | null; mine: boolean; at: string; replaced: boolean; paths?: string[] }[];
+ items: {
+ user: string | null;
+ mine: boolean;
+ at: string;
+ replaced: boolean;
+ /** Skills: where that install's copy stands against the newest version now. */
+ state?: "latest" | "outdated" | "removed" | "unknown";
+ paths?: string[];
+ }[];
/** Installs counted before the list was kept. */
unrecorded: number;
}
diff --git a/client/src/pages/Artifacts.tsx b/client/src/pages/Artifacts.tsx
index cf556f3c..380b4740 100644
--- a/client/src/pages/Artifacts.tsx
+++ b/client/src/pages/Artifacts.tsx
@@ -32,7 +32,10 @@
* takes its folder on the server — or a plugin's copy — on a click, else
* asks for the folder and uploads it onto the same row); an installed copy
* that differs from the newest version shows **Update** (a pack: "Update N"),
- * which replaces it after a confirmation, the old copy moved aside. Editing a skill
+ * which replaces it after a confirmation, the old copy moved aside. A skill or
+ * file row says when its CONTENT last changed ("Updated 3h ago", `versionAt`),
+ * and the install count's list marks each installer's copy Latest / Old
+ * version / Removed. Editing a skill
* edits its SKILL.md (name, description, instructions — a new snapshot);
* its preview opens with what it installs as and when Claude uses it. Deleting a shared
* row of your own only takes it out of your library — it stays in the Hub
@@ -81,6 +84,7 @@ import { toast } from "../lib/toast";
import { confirmDialog } from "../lib/confirm";
import { useDialog } from "../hooks/useDialog";
import { copyText } from "../lib/clipboard";
+import { timeAgo } from "../lib/format";
import { ContextMenu, MenuItem, MenuSeparator, useContextMenu } from "../components/ContextMenu";
import {
FileUploadPanel,
@@ -1271,6 +1275,7 @@ function Meta({
server: boolean;
date?: boolean;
}) {
+ const { t } = useTranslation("artifacts");
const parts: React.ReactNode[] = [];
if (server && a.owner && !a.mine)
parts.push(
@@ -1278,7 +1283,18 @@ function Meta({
{a.owner}
);
- if (date)
+ // A skill or file is a snapshot that changes: when it last did. Anything else: when added.
+ if (a.kind === "skill" || a.kind === "file")
+ parts.push(
+
+ {t("versionAt", { ago: timeAgo(a.versionAt) })}
+
+ );
+ else if (date)
parts.push(
{fmtDate(a.createdAt)}
@@ -1536,7 +1552,10 @@ function DetailDialog({
: []),
...(a.files.length ? [{ label: t("stat.files"), value: String(a.files.length) }] : []),
...(a.size ? [{ label: t("stat.size"), value: fmtBytes(a.size) }] : []),
- { label: t("stat.updated"), value: fmtDate(a.updatedAt) },
+ {
+ label: t("stat.updated"),
+ value: new Date(a.versionAt).toLocaleString(),
+ },
];
return (
@@ -1707,6 +1726,13 @@ function DetailDialog({
* The list floats over the page (a portal at the button, below it or above
* when there is no room, kept inside the window): inside the card list's
* `overflow-hidden` it was cut off at the last card. */
+/** An installer's copy against the newest version: green, amber, grey. */
+const STATE_CLASS = {
+ latest: "bg-status-success/15 text-status-success",
+ outdated: "bg-status-warning/15 text-status-warning",
+ removed: "bg-surface-2 text-fg-muted",
+} as const;
+
function InstallsButton({ item }: { item: Artifact }) {
const { t } = useTranslation("artifacts");
const [open, setOpen] = useState(false);
@@ -1798,6 +1824,14 @@ function InstallsButton({ item }: { item: Artifact }) {
· {t("installsReplaced")}
)}
+ {i.state && i.state !== "unknown" && (
+
+ {t(`installState.${i.state}`)}
+
+ )}
{new Date(i.at).toLocaleString()}
diff --git a/client/src/pages/__tests__/Artifacts.test.tsx b/client/src/pages/__tests__/Artifacts.test.tsx
index 7c6aad98..91ca574e 100644
--- a/client/src/pages/__tests__/Artifacts.test.tsx
+++ b/client/src/pages/__tests__/Artifacts.test.tsx
@@ -77,6 +77,7 @@ const item = (over: Partial): Artifact => ({
installs: 0,
createdAt: "2026-10-14T00:00:00Z",
updatedAt: "2026-10-14T00:00:00Z",
+ versionAt: "2026-10-14T00:00:00Z",
...over,
});
@@ -349,9 +350,16 @@ describe("Artifacts", () => {
mine: true,
at: "2026-10-19T10:00:00Z",
replaced: false,
+ state: "latest",
paths: ["/h/.claude/skills/deploy"],
},
- { user: "khoa", mine: false, at: "2026-10-18T10:00:00Z", replaced: true },
+ {
+ user: "khoa",
+ mine: false,
+ at: "2026-10-18T10:00:00Z",
+ replaced: true,
+ state: "outdated",
+ },
],
unrecorded: 1,
});
@@ -363,6 +371,12 @@ describe("Artifacts", () => {
expect(await within(box).findByText("/h/.claude/skills/deploy")).toBeInTheDocument();
expect(within(box).getByText(/khoa/)).toBeInTheDocument();
expect(within(box).getByText(/1 earlier installs/)).toBeInTheDocument();
+ // Each install says whether its copy is the newest version.
+ expect(
+ within(box)
+ .getAllByTestId("install-state")
+ .map((b) => b.textContent)
+ ).toEqual(["Latest", "Old version"]);
// Over the page, outside the card list that clips its overflow — and a
// click inside it keeps it open.
expect(box.parentElement).toBe(document.body);
@@ -436,6 +450,24 @@ describe("Artifacts", () => {
);
});
+ it("says when a skill's content last changed, not when it was renamed", async () => {
+ vi.mocked(api.artifacts.list).mockResolvedValue({
+ items: [
+ item({
+ id: 2,
+ kind: "skill",
+ title: "deploy",
+ source: "deploy",
+ updatedAt: new Date().toISOString(),
+ versionAt: new Date(Date.now() - 3 * 3600_000).toISOString(),
+ }),
+ ],
+ });
+ open();
+ const card = await screen.findByTestId("artifact-2");
+ expect(within(card).getByText("Updated 3h ago")).toBeInTheDocument();
+ });
+
it("offers Update for an installed skill its owner changed, after a confirmation", async () => {
vi.mocked(api.artifacts.list).mockResolvedValue({
items: [
diff --git a/docs/API.md b/docs/API.md
index e73e171d..2088b8a1 100644
--- a/docs/API.md
+++ b/docs/API.md
@@ -3147,7 +3147,7 @@ A snapshot freezes a session as it is at that moment into one immutable `session
### Artifacts hub
```http
-GET /api/artifacts?scope=all|mine|hub|unowned&kind=page|file|skill|plugin&q= {items} — each with `installed` and `updateAvailable` (default scope `all`)
+GET /api/artifacts?scope=all|mine|hub|unowned&kind=page|file|skill|plugin&q= {items} — each with `installed`, `updateAvailable` and `versionAt` (when its content last changed — a new snapshot; a rename or share toggle moves only `updatedAt`) (default scope `all`)
GET /api/artifacts/settings {serverMode, canShare, installsEnabled, canManage}
PUT /api/artifacts/settings {installsEnabled: boolean} — admin (any caller in local mode); the UI is Settings → AI tools → Artifacts Hub
GET /api/artifacts/candidates?laneId= {items: [{path, sessionId, at, exists, pinned}]}
@@ -3167,7 +3167,7 @@ GET /api/artifacts/:id/raw?path=&download=1 one snapshot file (sandbox CSP, n
POST /api/artifacts/:id/install {replace?, update?} → {installed, replaced?}
POST /api/artifacts/:id/uninstall → {uninstalled, paths}
POST /api/artifacts/:id/reshare → {item, changed} — Share again (skill, owner): the owner's folder on this server becomes the new version and the row is shared; 409 ENOSOURCE when the server has no copy
-GET /api/artifacts/:id/installs {items: [{user, mine, at, replaced, paths?}], unrecorded}
+GET /api/artifacts/:id/installs {items: [{user, mine, at, replaced, state?, paths?}], unrecorded} — state (skills): latest | outdated | removed | unknown, that install's Claude skill copies against the newest version now
POST /api/artifacts/:id/claim → {item} — the suggested user, or an admin
POST /api/artifacts/:id/decline → {id, declined} — the suggested user
POST /api/artifacts/:id/assign {userId} → {item} — admin
diff --git a/server/__tests__/artifacts.test.js b/server/__tests__/artifacts.test.js
index f0e16009..a037f377 100644
--- a/server/__tests__/artifacts.test.js
+++ b/server/__tests__/artifacts.test.js
@@ -685,6 +685,29 @@ describe("skills from files or written", () => {
assert.equal(same.body.items[0].changed, false);
});
+ it("dates a skill by its content, and tells each install's copy from the newest", async () => {
+ const md = (v) => `---\nname: sg-state\ndescription: d\n---\nState ${v}.\n`;
+ const first = await upload("/api/artifacts/skill/upload", [["sg-state/SKILL.md", md(1)]]);
+ const id = first.body.items[0].id;
+ const at1 = first.body.items[0].versionAt;
+ assert.ok(at1);
+ const states = async () =>
+ (await request("GET", `/api/artifacts/${id}/installs`)).body.items.map((i) => i.state);
+ assert.equal((await request("POST", `/api/artifacts/${id}/install`, {})).status, 200);
+ assert.deepEqual(await states(), ["latest"]);
+
+ // A rename is no new version; new content is.
+ const renamed = await request("PATCH", `/api/artifacts/${id}`, { title: "State" });
+ assert.equal(renamed.body.item.versionAt, at1);
+ await new Promise((r) => setTimeout(r, 5));
+ const next = await upload("/api/artifacts/skill/upload", [["sg-state/SKILL.md", md(2)]]);
+ assert.ok(next.body.items[0].versionAt > at1);
+ assert.deepEqual(await states(), ["outdated"]);
+
+ fs.rmSync(path.join(process.env.CLAUDE_HOME, "skills", "sg-state"), { recursive: true });
+ assert.deepEqual(await states(), ["removed"]);
+ });
+
it("Share again: an uploaded skill asks for its folder, which replaces that row", async () => {
const md = (v) => `---\nname: sg-up\ndescription: d\n---\nUp ${v}.\n`;
const first = await upload("/api/artifacts/skill/upload", [["sg-up/SKILL.md", md(1)]]);
diff --git a/server/db.js b/server/db.js
index 6b946370..ad0acd69 100644
--- a/server/db.js
+++ b/server/db.js
@@ -973,11 +973,16 @@ for (const [col, ddl] of [
["suggested_owner_id", "suggested_owner_id INTEGER"],
["version", "version TEXT"],
["source_hash", "source_hash TEXT"],
+ ["version_at", "version_at TEXT"],
]) {
try {
db.prepare(`SELECT ${col} FROM artifacts LIMIT 1`).get();
} catch {
db.prepare(`ALTER TABLE artifacts ADD COLUMN ${ddl}`).run();
+ // `version_at`: when a row's CONTENT last changed (a new snapshot) — a
+ // rename or a share toggle moves `updated_at` but not this. An existing
+ // row starts from its `updated_at`, the best record there is.
+ if (col === "version_at") db.prepare("UPDATE artifacts SET version_at = updated_at").run();
}
}
diff --git a/server/lib/artifacts.js b/server/lib/artifacts.js
index 8c51b4ca..43cccfce 100644
--- a/server/lib/artifacts.js
+++ b/server/lib/artifacts.js
@@ -173,6 +173,8 @@ function view(row, req, owners = null) {
suggestedForMe: !!req?.user && row.owner_id == null && row.suggested_owner_id === req.user.id,
createdAt: row.created_at,
updatedAt: row.updated_at,
+ // When its content last changed (a new snapshot): a page or plugin never does.
+ versionAt: row.version_at || row.created_at,
};
}
@@ -627,7 +629,7 @@ async function captureOutputsNow(laneId, sessionId) {
const files = JSON.stringify([{ path: shot.name, size: shot.size, mtime: mtimeMs }]);
if (row) {
sql(
- "UPDATE artifacts SET snapshot = ?, files = ?, size = ?, session_id = ?, updated_at = strftime('%Y-%m-%dT%H:%M:%fZ','now') WHERE id = ?"
+ "UPDATE artifacts SET snapshot = ?, files = ?, size = ?, session_id = ?, updated_at = strftime('%Y-%m-%dT%H:%M:%fZ','now'), version_at = strftime('%Y-%m-%dT%H:%M:%fZ','now') WHERE id = ?"
).run(shot.snap.id, files, shot.size, String(sessionId), row.id);
dropSnapshot(row.snapshot);
done.push(sql("SELECT * FROM artifacts WHERE id = ?").get(row.id));
@@ -1641,7 +1643,8 @@ function editSkill(req, row, { name, description, content }) {
sql(
`UPDATE artifacts SET source = ?, snapshot = ?, files = ?, size = ?, description = ?,
version = ?, source_hash = ?,
- updated_at = strftime('%Y-%m-%dT%H:%M:%fZ','now') WHERE id = ?`
+ updated_at = strftime('%Y-%m-%dT%H:%M:%fZ','now'),
+ version_at = strftime('%Y-%m-%dT%H:%M:%fZ','now') WHERE id = ?`
).run(
n,
snap.id,
@@ -2027,7 +2030,8 @@ function replaceSnapshot(row, files, sourceHash) {
: row.description;
sql(
`UPDATE artifacts SET snapshot = ?, files = ?, size = ?, version = ?, source_hash = ?,
- description = ?, updated_at = strftime('%Y-%m-%dT%H:%M:%fZ','now') WHERE id = ?`
+ description = ?, updated_at = strftime('%Y-%m-%dT%H:%M:%fZ','now'),
+ version_at = strftime('%Y-%m-%dT%H:%M:%fZ','now') WHERE id = ?`
).run(
snap.id,
JSON.stringify(next),
@@ -2308,6 +2312,36 @@ async function uninstall(req, id) {
* the installer and an admin. `unrecorded` = installs counted before this
* list was kept.
*/
+/**
+ * Where one recorded install of a skill stands now, from its Claude
+ * `skills/` copies (one per account it went into; the cross-tool
+ * `~/.agents/skills` twins are the same files) —
+ * `outdated` when any differs from the row's newest snapshot (its user is
+ * offered Update), `removed` when none is there any more, `unknown` when one
+ * is there but unreadable as a skill, else `latest`. Only hashes are
+ * compared; no content leaves the server. The paths are the ones the server
+ * itself recorded at install, read like `updateCheck` reads the viewer's own.
+ */
+function installState(row, paths) {
+ const version = snapshotVersion(row);
+ const dirs = (Array.isArray(paths) ? paths : []).filter(
+ (p) =>
+ typeof p === "string" &&
+ path.basename(p) === row.source &&
+ path.basename(path.dirname(p)) === "skills" &&
+ path.basename(path.dirname(path.dirname(p))) !== ".agents"
+ );
+ if (!version || !dirs.length) return "unknown";
+ const states = dirs.map((dir) => {
+ const st = folderState(dir, path.dirname(path.dirname(dir)));
+ if (st) return st.hash === version ? "latest" : "outdated";
+ return exists(dir) ? "unknown" : "removed";
+ });
+ if (states.includes("outdated")) return "outdated";
+ if (states.every((x) => x === "removed")) return "removed";
+ return states.includes("unknown") ? "unknown" : "latest";
+}
+
function installsOf(req, id) {
const row = load(req, id);
const u = req?.user;
@@ -2331,6 +2365,7 @@ function installsOf(req, id) {
mine,
at: r.installed_at,
replaced: r.replaced === 1,
+ ...(row.kind === "skill" ? { state: installState(row, paths) } : {}),
...(mine || u?.role === "admin" ? { paths } : {}),
};
});