What you can ask

“What does Massive (formerly Polygon.io) have for the area or asset I'm working on?”
“Pull the most recent Massive (formerly Polygon.io) records and put them in a table.”
“What does Massive (formerly Polygon.io) cover, and how fresh is the data?”

Connect to your AI assistant

Paste this URL into Claude, ChatGPT, or any MCP client, then sign in when prompted. After you sign in, add your Massive (formerly Polygon.io) key in PatchOps.

https://patchops.ai/api/mcp

Add to Claude Add to ChatGPT Add to Cursor Add to VS Code

Claude: use Add to Claude, or Settings > Connectors > Add custom connector and paste the URL.

Claude Code

claude mcp add --transport http patchops https://patchops.ai/api/mcp

Step by step

1
Open connectors
In Claude, open Settings > Connectors and click "Add custom connector".
2
Paste the URL
Name it PatchOps and paste https://patchops.ai/api/mcp as the server URL, then click Add.
3
Sign in
Click Connect and sign in to PatchOps when Claude asks.
4
Start using
Ask Claude a question. It uses Massive (formerly Polygon.io) through PatchOps when it needs to.

› Technical details

Stock market data: quotes, OHLCV aggregates, ticker search, company details, splits, dividends, financials, and market holidays.

View the data contract and method schemas →

Setup

A few steps to connect your AI agents to Massive (formerly Polygon.io).

Continue setup

1
Get an Access Key
Register at https://massive.com and generate an API key.
2
Connect on PatchOps
Navigate to /mcp, find Massive (formerly Polygon.io), and enter your access key.
3
Start Querying
Ask your AI agent for the data you need — it discovers this connector's methods automatically.