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Step 1: Turn on developer mode
Open Settings → Security and login and turn on Developer mode. On Business and Enterprise, a workspace admin must allow it first.
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Step 2: Add Phersa
Go to Plugins, click + and choose Add custom MCP server. Name it Phersa, paste the URL and select Create as a plugin.
Open ChatGPT Plugins ↗https://mcp.phersa.com/mcp -
Step 3: Sign in
Sign in with your Phersa account and approve the access. ChatGPT asks you to confirm each write action before it runs.
MCP server details
- Endpoint: https://mcp.phersa.com/mcp · Streamable HTTP · OAuth 2.1 with PKCE. Metadata: https://mcp.phersa.com/.well-known/oauth-protected-resource/mcp. Dynamic client registration and client ID metadata documents are supported.
- Permissions, safety and all 40 tools: phersa.com/mcp
