WhatsApp MCP Server (cascodigital/whatsapp-mcp-server) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
Enables LLM clients to read and search your own WhatsApp messages stored in a local SQLite database, captured live via a linked device.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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cascodigital
Source: Glama
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Install from
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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
WHATSAPP_BAILEYS_LOG_LEVELwarn Baileys log verbosityWHATSAPP_MCP_HOMEOverride the location with .WHATSAPP_MCP_SYSTEMD_SERVICEwhatsapp-mcp-collector.service systemd user unit nameWHATSAPP_MCP_TMUX_SESSIONwhatsapp-mcp-collector tmux session nameTool 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
10/10 tools missing one or more hints — whatsapp_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); whatsapp_list_chats (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); whatsapp_recent_messages (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +7 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.
Tool inputs are validated
9/10 tool handlers declare input schemas (90%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 0/10 tool handlers wrap calls in try/catch (0%)
Wrap each tool handler body in try/catch and return a structured error response.
Tests exist
No test files found
Add tests that exercise each declared tool.
Shell command execution
2 child_process calls — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
1 critical, 0 high severity in production deps — @whiskeysockets/baileys@7.0.0-rc11 (critical)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dependency freshness
1/5 production deps stale: qrcode-terminal@2022-06-25 (4y)
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