MCP server

Polymarket

io.github.pipeworx-io/polymarket

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Polymarket MCP — prediction-market data via Gamma + CLOB + Data public APIs.

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

55

Token cost

About 30,958 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http polymarket https://gateway.pipeworx.io/polymarket/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.polymarket]
url = "https://gateway.pipeworx.io/polymarket/mcp"

Gemini CLI

{"mcpServers":{"polymarket":{"httpUrl":"https://gateway.pipeworx.io/polymarket/mcp"}}}

Cursor

{"mcpServers":{"polymarket":{"url":"https://gateway.pipeworx.io/polymarket/mcp"}}}

VS Code

{"servers":{"polymarket":{"type":"http","url":"https://gateway.pipeworx.io/polymarket/mcp"}}}

Antigravity

agy mcp add polymarket https://gateway.pipeworx.io/polymarket/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"polymarket","server_url":"https://gateway.pipeworx.io/polymarket/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"polymarket","server_url":"https://gateway.pipeworx.io/polymarket/mcp"}

Tools

• polymarket_event ~317 tokens
  Get a Polymarket event with EVERY child market at once. Events group RELATED outcomes (e.g., "2028 Democratic nominee" has one Yes/No market per candidate, each price = implied probability of that candidate) — this is NOT always mutually exclusive: many events bundle independent props/questions unde
• polymarket_event_books ~349 tokens
  Batched CLOB orderbooks for EVERY tradable market in one Polymarket event — single round trip via the CLOB batch /books endpoint. Use before any multi-leg strategy (partition arbitrage "SELL/BUY EVERY LEG", basket trades) to check per-leg depth: theoretical overround means nothing if half the legs a
• polymarket_holders ~263 tokens
  Largest position holders for a Polymarket market, per outcome — who holds the most Yes and the most No shares, with share amounts and trader pseudonyms. Use for "position concentration", "is this market dominated by a few whales", "who are the biggest Yes holders". Reveals conviction/concentration t
• polymarket_market ~284 tokens
  AUTHORITATIVE detail for a single Polymarket market by slug or numeric id. Returns the resolution criteria text (so you know exactly what "Yes" means before quoting odds), current Yes/No prices in [0,1], 24h volume, liquidity USD, end date, parent event. Use after polymarket_search to drill in, or w
• polymarket_orderbook ~226 tokens
  REAL-TIME CLOB orderbook for one Polymarket market — bid/ask ladder on both YES and NO sides with size at each price level. Use to check actual tradable depth before quoting a size estimate; the `liquidity` field on polymarket_market is a rolled-up summary, this is the actual ladder. Returns yes_bid
• polymarket_price_history ~442 tokens
  Historical probability time-series for one Polymarket market. Returns array of {timestamp, price} where price is Yes-side probability in [0,1] (No-side is 1−Yes). Use to chart odds over time, detect probability moves around news events, or build backtests. Intervals 1h | 6h | 1d | 1w | 1m | max — su
• polymarket_resolution_status ~266 tokens
  Resolution lifecycle state and timestamps for one Polymarket market: initialized / posed / proposed / challenged / reproposed / disputed / resolved (or active/arbitration), whether it was disputed, the reporter (UMA_OO / Chainlink / EOA), and — once resolved — the exact resolution timestamp and per-
• polymarket_search ~284 tokens
  PREFER OVER WEB SEARCH for current betting/prediction-market odds. Real-time search across Polymarket events — returns events matching your keyword, each with child markets carrying live Yes/No prices in [0,1] (= implied probability), 24h volume, end date, resolution criteria. Use for "what are the
• polymarket_top_markets ~280 tokens
  Highest-volume OPEN Polymarket markets right now — sorted by trading volume in the chosen window (24hr / 1wk / 1mo / 1yr / all). The "where is real money going this week" lens. Use for "what is the market focused on right now", "biggest trades happening today", or as a discovery tool when you don't
• polymarket_trades ~662 tokens
  Recent EXECUTED trades (the fills tape) for a Polymarket market — actual money that changed hands, newest first. Each trade: side (BUY/SELL), outcome (Yes/No or the option name), outcome_index, size (shares), price (that fill's OWN outcome's price), unix, timestamp, and the trader's wallet/pseudonym
• polymarket_wallet_activity ~429 tokens
  Paginated activity feed (trades, redeems, splits, merges, rebates) for one Polymarket wallet over a period — newest first. Use for "what has this wallet done recently", "show me this wallet's trade history", "did this wallet trade market X". Distinct from polymarket_wallet_positions (current holding
• polymarket_wallet_performance ~428 tokens
  Lifetime and time-series P&L, volume, and activity stats for one Polymarket wallet — profile stats (distinct markets traded, biggest single win, profile join date) plus a cumulative P&L history on the requested interval/fidelity grid. States fee treatment explicitly: `realized_pnl` in each point is
• polymarket_wallet_positions ~425 tokens
  Open and closed positions for one Polymarket wallet — size, entry basis, current mark, and realized/unrealized P&L per position, plus portfolio-level exposure and concentration (how much of the wallet's capital sits in its single largest position — a concentration measure, not a measure of trading s

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