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The-Endurance-Group

Commonality MCP Server

by The-Endurance-Group
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TypeScript
Remote

Commonality

MCP-native sales intelligence — Commonality as a Claude connector + minimal web app for setup, billing, and invites.

Daily usage happens inside Claude.ai via an MCP server. The React web app handles one-time team setup, billing, and teammate invites only.

Architecture

A pnpm monorepo deployed as a single Railway service. One Express server hosts both the MCP endpoint and the React static build.

apps/server     Express + TypeScript — MCP endpoint, OAuth, REST API, static host
apps/web        React + Vite — marketing, onboarding, dashboard, invites, billing
packages/shared Zod schemas + shared TypeScript types
supabase        SQL migrations (schema, RLS, atomic quota fn)

Related MCP server: GTM MCP Server

Quick start

pnpm install
cp .env.example .env   # fill in real values — never commit .env
pnpm --filter server dev
pnpm --filter web dev

Build process

This repo was generated from the build brief in COMMONALITY_BUILD_INSTRUCTIONS.md (kept outside this repo). See CLAUDE.md for operating principles and conventions for future Claude Code sessions.

Stack

  • MCP server — JSON-RPC 2.0 over HTTP, 11 tools, JWT-gated

  • Auth — OAuth 2.1 discovery + Commonality-issued JWT (Clerk as the IdP)

  • DB — Supabase (Postgres) with Row Level Security scoped by company_id

  • Billing — Stripe checkout + customer portal + webhooks

  • Email — Resend for invites

  • Enrichment — Apify (LinkedIn) + Cassidy (profile enrichment), shared cache

  • CRM push — HubSpot + Salesforce

License

Private — The Endurance Group.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityActive
ResponsivenessNo issues

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