feat(cowork): re-enable Claude Cowork with preset-only stdio MCP

Restore Cowork feature while closing the RCE vector: drop user-defined
stdio commands so only hard-coded preset plugins (browsermcp) may spawn.
Custom MCP now accepts remote URL only. Routes stay gated to localhost.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
decoluaandCursor committed 2026-06-08 15:35:37 +07:00
1 parent 7648c3412b
commit f8b73faf5d
7 files changed
+33 -146

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@@ -48,7 +48,7 @@ export default function CoworkToolCard({
const [modelSelectOpen, setModelSelectOpen] = useState(false);
const [marketplaceOpen, setMarketplaceOpen] = useState(false);
const [addMcpOpen, setAddMcpOpen] = useState(false);
const [addMcpForm, setAddMcpForm] = useState({ type: "url", name: "", url: "", command: "", args: "" });
const [addMcpForm, setAddMcpForm] = useState({ name: "", url: "" });
useEffect(() => {
if (apiKeys?.length > 0 && !selectedApiKey) {
@@ -374,7 +374,7 @@ export default function CoworkToolCard({
<div key={p.name} className="flex items-center gap-2 px-2 py-1 bg-surface rounded border border-border">
<span className="text-xs font-medium min-w-0 truncate flex-shrink-0">{p.name}</span>
<span className="text-[8px] px-1 py-0.5 rounded bg-blue-500/10 text-blue-500 shrink-0">custom</span>
<span className="flex-1 text-[9px] text-text-muted truncate">{p.url || p.command}</span>
<span className="flex-1 text-[9px] text-text-muted truncate">{p.url}</span>
<button onClick={() => setCustomPlugins(customPlugins.filter((x) => x.name !== p.name))} className="shrink-0 hover:text-red-500 ml-auto">
<span className="material-symbols-outlined text-[12px]">close</span>
</button>
@@ -388,7 +388,7 @@ export default function CoworkToolCard({
<button onClick={() => setMarketplaceOpen(true)} className="px-2 py-1 rounded border text-xs bg-primary/10 border-primary/40 text-primary hover:bg-primary/20 cursor-pointer whitespace-nowrap">
+ Browse
</button>
<button onClick={() => { setAddMcpForm({ type: "url", name: "", url: "", command: "", args: "" }); setAddMcpOpen(true); }} className="px-2 py-1 rounded border text-xs bg-surface border-border text-text-muted hover:border-primary hover:text-primary cursor-pointer whitespace-nowrap">
<button onClick={() => { setAddMcpForm({ name: "", url: "" }); setAddMcpOpen(true); }} className="px-2 py-1 rounded border text-xs bg-surface border-border text-text-muted hover:border-primary hover:text-primary cursor-pointer whitespace-nowrap">
+ Custom
</button>
<a href="https://mcp.so" target="_blank" rel="noopener noreferrer" className="text-[10px] text-text-muted hover:text-primary underline ml-auto">Find MCPs →</a>
@@ -554,17 +554,6 @@ export default function CoworkToolCard({
</button>
</div>
<div className="flex gap-2">
<button
onClick={() => setAddMcpForm((f) => ({ ...f, type: "url" }))}
className={`flex-1 py-1.5 rounded border text-xs font-medium transition-colors ${addMcpForm.type === "url" ? "bg-primary/10 border-primary/40 text-primary" : "border-border text-text-muted hover:border-primary/40"}`}
>URL (SSE)</button>
<button
onClick={() => setAddMcpForm((f) => ({ ...f, type: "cmd" }))}
className={`flex-1 py-1.5 rounded border text-xs font-medium transition-colors ${addMcpForm.type === "cmd" ? "bg-primary/10 border-primary/40 text-primary" : "border-border text-text-muted hover:border-primary/40"}`}
>Command (stdio)</button>
</div>
<div className="flex flex-col gap-2">
<div className="flex flex-col gap-1">
<label className="text-[11px] text-text-muted font-medium">Name</label>
@@ -576,41 +565,16 @@ export default function CoworkToolCard({
className="px-2 py-1.5 rounded border border-border bg-surface text-xs outline-none focus:border-primary"
/>
</div>
{addMcpForm.type === "url" ? (
<div className="flex flex-col gap-1">
<label className="text-[11px] text-text-muted font-medium">SSE URL</label>
<input
type="text"
placeholder="https://your-mcp-server.com/sse"
value={addMcpForm.url}
onChange={(e) => setAddMcpForm((f) => ({ ...f, url: e.target.value }))}
className="px-2 py-1.5 rounded border border-border bg-surface text-xs outline-none focus:border-primary"
/>
</div>
) : (
<>
<div className="flex flex-col gap-1">
<label className="text-[11px] text-text-muted font-medium">Command</label>
<input
type="text"
placeholder="npx"
value={addMcpForm.command}
onChange={(e) => setAddMcpForm((f) => ({ ...f, command: e.target.value }))}
className="px-2 py-1.5 rounded border border-border bg-surface text-xs outline-none focus:border-primary"
/>
</div>
<div className="flex flex-col gap-1">
<label className="text-[11px] text-text-muted font-medium">Args <span className="font-normal">(comma-separated)</span></label>
<input
type="text"
placeholder="-y, @some/mcp-package"
value={addMcpForm.args}
onChange={(e) => setAddMcpForm((f) => ({ ...f, args: e.target.value }))}
className="px-2 py-1.5 rounded border border-border bg-surface text-xs outline-none focus:border-primary"
/>
</div>
</>
)}
<div className="flex flex-col gap-1">
<label className="text-[11px] text-text-muted font-medium">SSE URL</label>
<input
type="text"
placeholder="https://your-mcp-server.com/sse"
value={addMcpForm.url}
onChange={(e) => setAddMcpForm((f) => ({ ...f, url: e.target.value }))}
className="px-2 py-1.5 rounded border border-border bg-surface text-xs outline-none focus:border-primary"
/>
</div>
</div>
<div className="flex gap-2 justify-end">
@@ -618,15 +582,8 @@ export default function CoworkToolCard({
<button
onClick={() => {
const name = addMcpForm.name.trim();
if (!name) return;
if (addMcpForm.type === "url") {
if (!addMcpForm.url.trim()) return;
setCustomPlugins((prev) => [...prev.filter((x) => x.name !== name), { name, url: addMcpForm.url.trim(), transport: "sse", custom: true }]);
} else {
if (!addMcpForm.command.trim()) return;
const args = addMcpForm.args.split(",").map((a) => a.trim()).filter(Boolean);
setCustomPlugins((prev) => [...prev.filter((x) => x.name !== name), { name, command: addMcpForm.command.trim(), args, custom: true }]);
}
if (!name || !addMcpForm.url.trim()) return;
setCustomPlugins((prev) => [...prev.filter((x) => x.name !== name), { name, url: addMcpForm.url.trim(), transport: "sse", custom: true }]);
setAddMcpOpen(false);
}}
className="px-3 py-1.5 rounded bg-primary text-white text-xs font-medium hover:opacity-90 cursor-pointer"