Gemini is strong at reasoning, drafting, and tool use. What it needs from you is a reliable place to store and retrieve real information. ChatData Sync gives Gemini a private, structured tracker that starts from plain English and stays readable through a scoped connection header instead of a hand-built database.
ChatData Sync supports Gemini through standard function-calling patterns and compatible MCP client sessions. When your Gemini environment supports direct tool setup, use the tracker connection URL and send your tracker-scoped token in a custom x-api-key header. The server resolves the active tracker from that credential, so Gemini should not need a separate project or tracker identifier. If your host offers ChatData Sync sign-in instead, use OAuth and let it send bearer tokens automatically.
Describe what you want to track, such as tutoring sessions, service jobs, maintenance history, or invoice follow-up. ChatData Sync turns that description into a private structure with the fields Gemini needs to read and update.
Create a Gemini tool or function connection in the environment you are using. If your Gemini setup supports MCP-compatible sessions, you can use the same tracker-scoped pattern there as well.
Use the connection URL from your tracker and attach your security token as a custom x-api-key header. If the screen asks for the header name, enter exactly x-api-key. Keep requests projectId-free and let the server resolve the tracker from the credential.
Ask Gemini to add or update one record, then check Quick log in ChatData Sync to confirm the entry landed in the correct tracker.
Use a tracker-scoped custom header named x-api-key so Gemini can reach the right tracker without extra routing fields.
const mcpServer = {
url: "https://chatdatasync.com/api/mcp",
headers: {
"x-api-key": process.env.CHATDATASYNC_API_KEY,
},
};
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