PerpFinder

Read-only perp futures data: all-in trading cost, venue fees, funding rates and volume ranking

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Read-only perp futures data: all-in trading cost, venue fees, funding rates and volume ranking

    How to connect

    How to connect PerpFinder to Claude

    The server address to paste into Claude settings:

    https://perpfinder.com/api/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect PerpFinder to ChatGPT

    The server address to paste into ChatGPT settings:

    https://perpfinder.com/api/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect PerpFinder to Cursor

    The server address to paste into Cursor settings:

    https://perpfinder.com/api/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (5)

    Raw names from tools/list. Only developers need these.

    get_cheapest_venueVenues ranked by measured all-in cost (taker fee + half-spread + price impact) of a perp market buy at the base fee tier, from the newest stored 6-hour order-book sweep. Rows that cannot fill or have unconfirmed depth are listed apart, with the reason.
    get_venue_feesBase maker and taker rates, the volume fee ladder, leverage and funding terms of one perp venue, each with its source and check date, plus the measured all-in cost of BTC and ETH market buys.
    get_fundingCurrent perpetual funding rate of one asset on each venue that lists it, normalized to a 1-hour rate, with the venue interval, open interest and price. Rates are fractions: 0.0001 is 0.01%.
    get_volume_rankingCEX and DEX perpetual venues ranked by reported volume and by adjusted volume. Adjusted is the reported figure with held-out venues removed; each hold-out has a dated reason. Measurements, not accusations.
    get_venue_accessFor one jurisdiction, what each venue and the local regulator publish about perp access: yes, restricted, unclear or no, with the basis and the sources a person opened. Not legal advice.