A macOS app that provides a read-only interface to WhatsApp for Claude via the Model Context Protocol, with one-click install and local-only operation.
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joaohts
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Baileys has message upsert / hist sync spoofing and app state corruption when using maliciously crafted protocolMessage payload
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
Electron: Use-after-free in offscreen child window paint callback
Electron: Use-after-free in WebContents fullscreen, pointer-lock, and keyboard-lock permission callbacks
Electron: Sandboxed iframe can bypass the allow-popups restriction via the OpenURL navigation path
USE_MOCK_BACKENDVITE_DEV_SERVER_URLWHATSAPP_MCP_DEVICE_NAMEWHATSAPP_MCP_FORCE_ELECTRON_REBUILDWHATSAPP_MCP_HOMETool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
12/12 tools missing one or more hints — list_chats (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); chats_overview (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_chat_messages (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +9 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tests exist
No test files found
Add tests that exercise each declared tool.
Shell command execution
3 child_process calls — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
No arbitrary install scripts
Has postinstall/preinstall script — runs arbitrary code on npm install
Remove postinstall/preinstall hooks unless they’re essential.
Production dependencies are patched
1 critical, 1 high severity in production deps — @whiskeysockets/baileys@6.7.0 (critical), @modelcontextprotocol/sdk@1.0.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
7 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
Dependency freshness
1/5 production deps stale: qrcode-terminal@2022-06-25 (4.1y)
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