Use Figurewell MCP with Cursor

Point-in-time SEC financials API + MCP: XBRL as first reported, EDGAR times. 100 free/day.

Remote MCP server (Streamable HTTP), nothing to install. Free: 100 free/day · Paid: $5 for 1,500 calls; keys from $19/mo

Set it up

Open or create the mcp.json file (global or per project).
Add the server under "mcpServers" as shown and save.
Open Cursor's settings, find the MCP section and check that the server is enabled and lists its tools.
Ask the agent a question the tools can answer and approve the tool call.

Add to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "figurewell-api": {
      "url": "https://figurewell-api.cybermaxtools.com/mcp?via=use-with-cursor"
    }
  }
}

With a paid key:

{
  "mcpServers": {
    "figurewell-api": {
      "url": "https://figurewell-api.cybermaxtools.com/mcp?via=use-with-cursor",
      "headers": {
        "x-api-key": "${env:CYBERMAX_API_KEY}"
      }
    }
  }
}

Cursor fills ${env:CYBERMAX_API_KEY} from your environment, so the key never sits in the file.

Where it goes:

~/.cursor/mcp.json (every project)
.cursor/mcp.json (this project only)

Config format checked 2026-10-09 against Cursor's MCP documentation.

Tools you get

Endpoint checked 2026-10-09: https://figurewell-api.cybermaxtools.com/mcp answered an MCP initialize (protocol 2025-06-18) and tools/list with 3 tools, all marked read-only. No key was used and no tool was called.

Tool	What it does	Required inputs
`financials_as_of`	A company's 10-K/10-Q/20-F/40-F filings (newest accepted first, up to 40) with revenue, profit, EPS, cash, debt, cash flow and margins as each filing first reported them, EDGAR acceptance time and filing link. as_of = only filings accepted by then.	none
`snapshot_as_of`	For up to 10 tickers, the newest filing EDGAR had accepted by as_of, with key metrics as first reported.	none
`metric_history`	One metric per period, newest first: value as first reported (and when), latest value known at as_of, restated flag.	none

Test the endpoint from a terminal

This lists the tools without a key and without calling any of them:

curl -s https://figurewell-api.cybermaxtools.com/mcp \
  -H 'content-type: application/json' \
  -H 'accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

If it does not work

Cursor uses the top-level key "mcpServers" (VS Code uses "servers"); a file copied from VS Code will not load.
After editing the file, toggle the server off and on in settings if the tools do not appear.
The free tier has a daily limit (see the pricing line above); a paid key raises it.

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