Best MCP servers for Polymarket and Kalshi
We found 209 MCP servers for Polymarket and Kalshi in the catalog; these are the 15 that rank highest. The order comes from our rank, which weighs adoption, freshness, documentation and publisher identity. Nobody can pay for a place on this list. Oracle3 prediction-market arbitrage checks, Polymarket Toolkit and Polymarket Paper Trader lead it. Parlayx and MagicMarkets are published by the company that makes them. Oracle3 prediction-market arbitrage checks has the most GitHub stars here (512). 14 of the 15 had activity in the last 30 days. Remote servers need no local install; local ones run on your machine and can reach local files. Each entry lists why it made the list and links to its install page.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
Top 15 of 209
- 1Oracle3 prediction-market arbitrage checks
YichengYang-Ethan
Kalshi and Polymarket data, venue fees, no-arbitrage checks and paper execution for AI agents.
- Most GitHub stars here (512)
- Active in the last 30 days
- Open source (Apache-2.0)
★ 512↓ 58/wkLast active Oct 12, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet - 2Polymarket Toolkit
runesleo
Read-only Polymarket data tools for AI agents: profiles, PnL, market scans.
- Open source (MIT)
★ 200Last active Aug 16, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
BFreshness: B–Security: not graded yet - 3Polymarket Paper Trader
agent-next
Polymarket paper trading for AI agents: $10k paper money, real order books, official fees.
- Active in the last 30 days
- Open source (MIT)
★ 492↓ 642/wkLast active Oct 15, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet - 4Blockrun MCP
BlockRunAI
Web search, deep research, prediction markets & crypto data for AI agents.
- Active in the last 30 days
- Open source (MIT)
★ 392↓ 340/wkLast active Oct 20, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet - 5
0xinsider0xinsider
Read-only Polymarket sports and esports data: wallet grades on settled P&L, large trades, markets.
- Most weekly downloads here (3.4K)
- Runs locally or as a remote server
- Active in the last 30 days
★ 1↓ 3.4K/wkLast active Oct 22, 2026Local (stdio), Remote (HTTP)Claude Code, VS Code, Codex, Cursor +2
AFreshness: A–Security: not graded yet - 6Graph Polymarket MCP
PaulieB14
Query Polymarket prediction markets via The Graph — 20 tools, 8 subgraphs
- Active in the last 30 days
- Open source (MIT)
★ 4Last active Oct 15, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet - 7Polymarket Kalshi Trading
oddsrail.app
Cross-venue prediction markets for AI agents: Polymarket + Kalshi, costed and attributed
- Runs locally or as a remote server
- Active in the last 30 days
- Open source (MIT)
★ 1↓ 150/wkLast active Oct 17, 2026Local (stdio), Remote (HTTP)Claude Code, VS Code, Codex, Cursor +2
AFreshness: A–Security: not graded yet - 8Orcalayer MCP
orcalayer
Polymarket smart-money analytics: whale leaderboard, wallet P&L, market consensus, live alerts
- Active in the last 30 days
- Open source (MIT)
★ 1↓ 138/wkLast active Oct 22, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet - 9Octodamus Intelligence Oracle
Octodamus
AI oracle: BTC/ETH/SOL signals, Polymarket edges, congressional trades.
- Remote server, no local install
- Active in the last 30 days
- Open source (MIT)
★ 2Last active Oct 7, 2026Remote (SSE)Claude Code, VS Code, Cursor, Windsurf
AFreshness: A–Security: not graded yet - 10Parlayx
parlayx.comOfficial
Read your ParlayX account and the prediction markets from an MCP client.
- Published by the vendor
- Active in the last 30 days
- Open source (MIT)
↓ 67/wkLast active Sep 5, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet - 11MagicMarkets
magicmarkets.comOfficial
Sports prediction markets for AI agents — live prices, quotes, orders, and positions.
- Published by the vendor
- Remote server, no local install
- Active in the last 30 days
★ 1Last active Oct 7, 2026Remote (HTTP)Claude Code, VS Code, Cursor, Windsurf
AFreshness: A–Security: not graded yet - 12outcometick
outcometick
Polymarket and Predict.fun historical tick data, plus backtest quotes and status,.
- Runs locally or as a remote server
- Active in the last 30 days
- Open source (MIT)
★ 1Last active Oct 15, 2026Local (stdio), Remote (HTTP)Claude Code, VS Code, Codex, Cursor +2
AFreshness: A–Security: not graded yet - 13Knoww
metatxn
Read-only Polymarket search, market details, order books, price history, and market cards.
- Remote server, no local install
- Active in the last 30 days
- Open source (AGPL-3.0)
★ 1Last active Oct 21, 2026Remote (HTTP)Claude Code, VS Code, Cursor, Windsurf
AFreshness: A–Security: not graded yet - 14Whale Data MCP
predgeAI
Signed settled outcomes (Polymarket, sports) + whale signals as agent tools, paid via x402.
- Active in the last 30 days
- Open source (MIT)
★ 1Last active Oct 22, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet - 15PMWallets copy-trading bot
polymarketwallets
Polymarket orders from your own machine: market, balance, positions, buy/sell with limits.
- Active in the last 30 days
- Open source (MIT)
↓ 79/wkLast active Oct 14, 2026Local (stdio)Claude Code, Codex, VS Code, Cursor +2
AFreshness: A–Security: not graded yet