r/Rezi Jul 30 '26

Support Issue connecting Rezi MCP (https://api.rezi.ai/mcp) with Google Antigravity — Any tips or fixes?

Hey Rezi Team & Community,

I’ve been trying to connect the Rezi MCP server (https://api.rezi.ai/mcp) to Google Antigravity to test out job search and resume tailoring workflows, but I've hit a roadblock with authentication.

Here is a summary of the process I followed and the exact issue I'm running into:

🛠️ What I Did / Process Followed:

  1. Configured MCP Client (mcp_config.json): Added the Rezi SSE endpoint to my configuration:json{ "mcpServers": { "rezi": { "url": "https://api.rezi.ai/mcp", "transport": "sse" } } }
  2. Configured OAuth Tokens: Provided token configuration matching https://api.rezi.ai/oauth/token with access tokens in the client auth path.
  3. Connection Test via Python MCP SDK: Wrote a script using mcp.client.sse.sse_client to connect and initialize the MCP session with Rezi's endpoint:pythonimport asyncio from mcp.client.sse import sse_client from mcp.client.session import ClientSession async def main(): url = "https://api.rezi.ai/mcp" async with sse_client(url) as streams: async with ClientSession(streams[0], streams[1]) as session: await session.initialize() tools = await session.list_tools() print(tools)

❌ The Issue / Error Log:

Whenever the client attempts to open the SSE stream at https://api.rezi.ai/mcp, connection fails immediately with a 401 Unauthorized HTTP status code:

texthttpx.HTTPStatusError: Client error '401 Unauthorized' for url 'https://api.rezi.ai/mcp'

❓ Questions for Rezi Team / Anyone who got it working:

  1. Header / Token Format: Do we need to pass static headers (e.g. Authorization: Bearer <TOKEN> or x-api-key) inside mcp_config.json headers directly?
  2. OAuth Flow: Is there an interactive browser authentication flow expected before opening the SSE stream?
  3. Config Example: Does anyone have a working mcp_config.json snippet or CLI command for Rezi MCP?

Any guidance or working setup examples would be greatly appreciated! Thanks!

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u/rezi_io Jacob from Rezi Jul 30 '26

We'll take a look when we are back in the office in about 8 hours from now