Crypto Market Data MCP vs Polymarket Paper Trader

A side-by-side look at the Crypto Market Data MCP and Polymarket Paper Trader MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Crypto Market Data MCP logoCrypto Market Data MCPFinance & Fintech · Local subprocess (stdio)Live crypto market data — price, funding rates, open interest, long/short ratio, order book, candles — across Bybit, Binance, OKX, Hyperliquid, Gate, KuCoin via CCXT, with funding-rate arbitrage comparison.59GoodAuth: api key requiredPolymarket Paper Trader logoPolymarket Paper TraderFinance & Fintech · Local subprocess (stdio)Polymarket paper trading for AI agents: $10k paper money, real order books, official fees.65GreatAuth: not declared

Verdict: choose Crypto Market Data MCP for finance & fintech work as a local process; choose Polymarket Paper Trader for finance & fintech as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Crypto Market Data MCP logoChoose Crypto Market Data MCP when

  • You need dedicated capabilities in the Finance & Fintech domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: API key required.
  • You want tools like list_exchanges, get_capabilities, search_symbols.
Explore Crypto Market Data MCP

Polymarket Paper Trader logoChoose Polymarket Paper Trader when

  • You need dedicated capabilities in the Finance & Fintech domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like init_account, get_balance, reset_account.
Explore Polymarket Paper Trader

Feature & specification comparison

Rows where the two servers differ are marked.

SpecCrypto Market Data MCP logoCrypto Market Data MCPPolymarket Paper Trader logoPolymarket Paper Trader
CategoryFinance & FintechFinance & Fintech
Quality signal59/100 · Good65/100 · Great
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthAPI key requiredNot declared
PricingFreeNot declared
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars2501
Directory activity 5 views 0 installs 0 upvotes 4 views 0 installs 0 upvotes
Tools1330

Tools & capabilities

Crypto Market Data MCP tools 13

  • list_exchangesWhich exchanges are supported
  • get_capabilitiesMatrix of which exchange supports which data (no network)
  • search_symbolsFind the exact symbol format for a coin
  • get_priceLast price + 24h stats
  • get_order_bookTop-of-book bids/asks
  • get_ohlcvRecent OHLCV candles
  • get_recent_tradesLatest public trades
  • get_funding_rateCurrent perpetual funding rate
  • get_funding_rate_historyHistorical funding rates
  • compare_fundingFunding rate across many exchanges + **arb spread
  • get_open_interestCurrent open interest
  • get_long_short_ratioGlobal long/short account ratio (Binance)
  • +1 more on the listing page

Polymarket Paper Trader tools 30

  • init_accountInitialize a paper trading account with starting balance (USD). Creates a new account or resets an existing one.
  • get_balanceGet current account balance (cash, reserved/available cash), positions value, and P&L.
  • reset_accountReset account — deletes all trades, positions, and balance.
  • search_marketsSearch Polymarket for markets matching a query string.
  • list_marketsList active Polymarket markets sorted by volume or liquidity.
  • get_marketGet detailed info for a specific market by slug or condition ID.
  • get_order_bookGet the live order book for a market outcome (asks and bids).
  • get_tagsGet all market categories/tags for filtering.
  • get_markets_by_tagList markets in a specific category/tag.
  • get_eventGet event details — a group of related markets.
  • watch_pricesWatch live midpoint prices for one or more markets. slugs: comma-separated market slugs or condition IDs outcomes: comma-separated outcomes (default: "yes")
  • buyBuy shares in a Polymarket outcome. Spends amount_usd to buy at best available prices. order_type: "fok" (fill-or-kill) or "fak" (fill-and-kill, allows partial).
  • +18 more on the listing page

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Crypto Market Data MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "eliasfire617-crypto-market-data-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcpize"
      ]
    }
  }
}

Polymarket Paper Trader

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "polymarket-paper-trader": {
      "command": "uvx",
      "args": [
        "--from",
        "polymarket-paper-trader",
        "pm-trader-mcp"
      ]
    }
  }
}

Frequently asked questions

Crypto Market Data MCP is categorized under Finance & Fintech and uses a local stdio subprocess. Polymarket Paper Trader belongs to Finance & Fintech and uses a local stdio subprocess. Pick Crypto Market Data MCP for finance & fintech work and Polymarket Paper Trader for finance & fintech.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Crypto Market Data MCP is listed as free. Auth: api key required. Polymarket Paper Trader has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add eliasfire617-crypto-market-data-mcp and polymarket-paper-trader as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Crypto Market Data MCP has a quality signal of 59/100 (Good) with 5 views, 0 installs and 2 GitHub stars. Polymarket Paper Trader has 65/100 (Great) with 4 views, 0 installs and 501 GitHub stars.