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glama

helios-calcom-mcp

Secure MCP wrapper for Cal.com integration, exposing calendar booking tools to Hermes/Helios.

→ davidjmb99/helios-calcom-mcp· listed on glama
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// key findings
🚨
Secret credentials may flow to a network call
4 flows detected: CALCOM_API_KEY. We can’t prove the destination matches the brand the credential belongs to.
⚠️
Known vulnerabilities in dependencies: 14 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 2 credentials: CALCOM_API_KEY, CALCOM_MCP_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies14 high13 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

highaxios@1.7.2GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.7.2GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

highaxios@1.7.2GHSA-43fc-jf86-j433

Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig

highaxios@1.7.2GHSA-4hjh-wcwx-xvwj

Axios is vulnerable to DoS attack through lack of data size check

highaxios@1.7.2GHSA-6chq-wfr3-2hj9

Axios: Header Injection via Prototype Pollution

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
🔐 secretCALCOM_API_KEY— tu_api_key_de_calcom
configCALCOM_BASE_URL
configCALCOM_EVENT_TYPE_ID
🔐 secretCALCOM_MCP_TOKEN— token_secreto_para_autorizar_peticiones
configCALCOM_TIMEZONE— Europe/Madrid
configPORT
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 3 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/davidjmb99-helios-calcom-mcp-ba1bhm)](https://m8ven.ai/mcp/davidjmb99-helios-calcom-mcp-ba1bhm)
commit: d7af466247c07243a2f73861f7d8215d74b835af
code hash: 568146f0bb59db4b91c148e1717b7778d30d9e8efffbe9d1b87b4030d6a05bf1
verified: 7/16/2026, 8:45:39 AM
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