I will integrate or fix n8n ,apis, oauth, mcp servers and ai tools

Connect any app, API, or business tool to Claude, OpenAI, n8n, or your existing system.

I build and troubleshoot technical integrations involving APIs, OAuth, authentication, MCP servers, webhooks, databases, AI tools, and automation platforms.

This service is for businesses, developers, agencies, and founders who need different systems to communicate reliably.

I can help you connect tools such as Google Workspace, HubSpot, Notion, Slack, Airtable, CRMs, databases, custom SaaS platforms, internal tools, Claude, Claude Code, OpenAI, and n8n.

What I can help with

API integrations

REST APIs and webhooks

OAuth 2.0 setup

Google OAuth configuration

API keys and bearer tokens

JWT authentication

Service accounts

Refresh tokens

Client ID / Client Secret configuration

Redirect URIs and scopes

HubSpot API and OAuth

Google Sheets, Gmail, Drive and Calendar integrations

n8n credentials and workflows

Custom MCP servers

Claude and Claude Code tools

OpenAI tool integrations

Database connections

Webhook verification

Token and permission issues

Environment variables and secrets

Deployment configuration

MCP Server Development