Offer 1 of 5 · MCP servers

MCP servers that survive real auth and real tenants.

I build Model Context Protocol servers that connect Claude and other clients to your SaaS and business tools, with the OAuth flows, scope discipline, rate limiting, and governance layer that auto-generators and $9/hr bidders can't produce.

For: teams posting "build an MCP server for our tools," and anyone who needs the multi-tenant / audit / RBAC slice done right.

What you get

Full OAuth 2.1 authorization-code + PKCE flow, automatic token refresh, and a permission-locked local token store. Not a bearer token pasted in a config.
Least-privilege scope validation against the provider's real scope set, so the server can only do what it's authorized to do.
Dual token-bucket rate limiting, exponential backoff that honors Retry-After, and structured, actionable error mapping.
Both stdio and Streamable HTTP transports, verified booting and serving.
The governance slice when you need it: per-tool RBAC, per-tenant isolation, PII redaction on results, request signing, and an exportable audit trail.
An offline test suite against a faithful fake of the upstream API: no credentials needed to run it.

Proof: three servers you can read

mcp-audit-gateway: governance & audit gateway

Reverse-proxy adding RBAC, tenant isolation, redaction, signing, and audit to any MCP server. The flagship.

Write-up Demo Code

mcp-quickbooks: QuickBooks Online server

18 tools + 3 resources over a full OAuth 2.1 flow; 55 offline tests against a fake QBO sandbox.

Code

hubspot-mcp-server: HubSpot server

15 tools with idempotent writes, batch partial-failure reporting, and a naive-vs-hardened comparison.

Comparison Code

Tell me which tool needs an MCP server.

Send the API and how many tenants have to stay isolated. I'll point you at the closest of the three servers above and scope yours.

amin.ale.business@gmail.com