whatsapp-mcp-server (excellario/whatsapp-mcp-server) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 2 tools. No publisher has claimed this listing.

Back to MCP Trust IndexM8ven
C
Emerging
74/100
1 month ago

whatsapp-mcp-server

A least-privilege, send-only MCP server for WhatsApp, backed by Meta's official WhatsApp Cloud API. It exposes tools to send text messages and pre-approved templates.

→ excellario/whatsapp-mcp-server· listed on glama

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

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Who stands behind it

excellario

Source: Glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find. Or connect your repo for our deepest verification, Live Monitored: read-only, revoke anytime. What we access →

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Install from

Glamanot scored here

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 2 credentials: MCP_AUTH_TOKEN, WHATSAPP_ACCESS_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configKEEPALIVE_MINUTES
configKEEPALIVE_URL
🔐 secretMCP_AUTH_TOKENHeader (preferred): POST /mcp with Authorization: Bearer <>. Use this whenever your client can set headers (e.g. Claude Code's --header). The token never appears in the URL.
configMCP_TRANSPORTYes (http) Set to http to run the HTTP server (default stdio).
🔐 secretWHATSAPP_ACCESS_TOKENYes Meta system-user or temporary access token, scoped to whatsapp_business_messaging.
configWHATSAPP_BUSINESS_ACCOUNT_ID
configWHATSAPP_GRAPH_API_VERSIONNo Graph API version segment. Defaults to v21.0.
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

Tool 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

2/2 tools missing one or more hints — send_whatsapp_message (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); send_whatsapp_template (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint). 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 handlers catch errors

Only 0/2 tool handlers wrap calls in try/catch (0%)

Wrap each tool handler body in try/catch and return a structured error response.

Tool test coverage

Only 0/2 tools referenced in tests (0%)

Write tests that reference each tool by name so every tool has at least one test.

Shell command execution

1 child_process call — runs shell commands

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Domain consistency

npm scope @praise25 doesn't match GitHub owner excellario

Use the same org name across GitHub, npm, and your homepage so users can verify the publisher.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/excellario/whatsapp-mcp-server)](https://m8ven.ai/mcp/excellario/whatsapp-mcp-server)
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commit: 0437b29d67dd78502c70f9d62b544169a966fe27
code hash: f7e92797aba4a5f336861a22cb880e26417dbf416ebf7526c91f7e912b956caa
verified: 7/21/2026, 9:12:19 AM
view raw JSON →
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