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AI_Calling Retell HubSpot MCP Server

Enables AI assistants to check tour availability, book tours via HubSpot Scheduler, and log call sessions to Supabase.

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// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 4 credentials: HUBSPOT_ACCESS_TOKEN, MCP_SERVER_SECRET, RETELL_API_KEY, SUPABASE_SERVICE_ROLE_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies3 high

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

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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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.
🔐 secretHUBSPOT_ACCESS_TOKENHubSpot Private App Retell Connection token only
🔐 secretMCP_SERVER_SECRETRandom secret; Retell sends Authorization: Bearer <this>
🔐 secretRETELL_API_KEYRetell API key (required for call sync)
configRUN_BOOKING_TESTtrue TEST_BOOKING_EMAIL=you@example.com npx tsx scripts/testBookTour.ts
🔐 secretSUPABASE_SERVICE_ROLE_KEYSupabase service_role key (server-side only)
configTEST_BOOKING_EMAILRUN_BOOKING_TEST=true =you@example.com npx tsx scripts/testBookTour.ts
configTEST_BOOKING_FIRST_NAME
configTEST_BOOKING_LAST_NAME
configTEST_BOOKING_PHONE
configTEST_TOUR_TYPE
// 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 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/tech4lifeatepisode-ai-calling-fn9k5b)](https://m8ven.ai/mcp/tech4lifeatepisode-ai-calling-fn9k5b)
commit: 38dc279a4756e3873f64cce503f1e614ccbd41bc
code hash: a1398b140beaa813cee4dbb609af9a03c22a41f2ec5e8eea9d5eb278fda5fa94
verified: 7/2/2026, 9:16:25 AM
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