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n8n-nodes-polymarket-tools

v1.1.3

Published

n8n community node for Polymarket prediction markets - trading with EIP-712 signing, real-time prices, whale tracking, AI agent tools, and workflow templates

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Links

Git

Maintainers

polymarket-toolspolymarket-tools

Keywords

n8n-community-node-packagen8nn8n-nodesn8n-community-nodepolymarketprediction-marketsprediction-marketcryptotradingtrading-botbettingevent-contractsdefiblockchaineip-712ai-agentai-tradingworkflow-automationmarket-datawhale-tracking

Readme

npm version npm downloads License: MIT

n8n-nodes-polymarket-tools

The first n8n community node with full Polymarket trading support -- EIP-712 order signing, real-time pricing, AI agent integration, and ready-to-use workflow templates.

How to Automate Polymarket with n8n

This node lets you build automated prediction market workflows in n8n without writing code:

  • Monitor markets for price movements, new listings, or whale activity
  • Analyze opportunities with AI agents that can search and price markets
  • Execute trades with cryptographically signed orders
  • Track portfolios with scheduled position snapshots

Installation

In your n8n instance: Settings > Community Nodes > Install

n8n-nodes-polymarket-tools

Nodes

Polymarket (Action Node)

| Resource | Operation | Description | |----------|-----------|-------------| | Market | Search | Find prediction markets by keyword, category, or tag | | Market | Get | Get full market details by condition ID or slug | | Price | Get | Current price, midpoint, spread, and order book depth | | Trading | Place Order | EIP-712 signed limit orders with GTC/GTD/FOK/FAK | | Trading | Cancel Order | Cancel an open order by ID | | Trading | Get Open Orders | List all open orders with optional market filter | | Data | Get Leaderboard | Top traders ranked by profit (day/week/month/all) | | Data | Get Wallet Positions | Any wallet's open positions with P&L | | Data | Get Wallet Trades | Trade history for any wallet | | Data | Get Market Holders | Top holders of any prediction market |

Polymarket Trigger (Polling Node)

| Mode | Description | |------|-------------| | Price Change | Triggers when a token's price moves by a configurable amount | | Price Crosses Threshold | Triggers when price crosses above or below a target value | | New Market | Triggers when new markets appear in a category |

What Makes This Different

| Feature | This Node | n8n-nodes-polymarket (v4.2.0) | |---------|-----------|-------------------------------| | Market search | Yes | Partial | | Price data | Yes (price + midpoint + spread + book) | No | | Place orders | Yes (EIP-712 signed) | "Coming Soon" error | | Cancel orders | Yes | No | | Polling triggers | Yes (3 modes) | Broken (in-memory state) | | Whale tracking / leaderboard | Yes (Data API) | No | | Wallet position/trade lookup | Yes (public, no auth) | No | | AI agent support | Yes (usableAsTool) | No | | Dynamic dropdowns | Yes (loadOptionsMethod) | No | | Workflow templates | 5 demand-backed | None | | Credential testing | Yes | Collects but never sends | | Active maintenance | Yes | Last updated Jan 2026 |

AI Agent Support

Both nodes set usableAsTool: true, making them available as tools in n8n's AI Agent node. Build workflows where an LLM:

  1. Searches for markets related to a topic
  2. Checks current prices and spreads
  3. Places trades based on analysis

This is the first trading node in the n8n ecosystem with AI agent support.

Workflow Templates

5 demand-backed templates built on what Polymarket traders actually use and pay for:

  1. Smart Money Radar -- Track top traders from the Polymarket leaderboard, monitor their trades in real-time, and get whale alerts on Telegram. Based on the #1 paid tool category in the Polymarket ecosystem.
  2. AI News-to-Market Matcher -- RSS feed triggers AI analysis matched to Polymarket markets. When news breaks, find the affected market, check the price, and get a directional signal. The workflow that made Betmoar dominant.
  3. Mispricing Scanner -- Scan for logically inconsistent pricing across correlated markets. When exclusive outcomes don't sum to 100%, you've found a mispricing.
  4. Daily Portfolio Digest -- Morning summary of your wallet positions with P&L breakdown. The most underserved category in Polymarket tooling.
  5. Resolution Watcher -- Monitor markets approaching resolution. Get alerts when your markets are about to close. A genuinely unserved niche.

Credentials

Market and Price operations work without credentials (public API endpoints).

Trading operations require Polymarket CLOB API credentials:

  1. Go to polymarket.com/settings
  2. Generate CLOB API credentials (Key, Secret, Passphrase)
  3. In n8n, create Polymarket API credentials with your key, secret, passphrase, and wallet private key

FAQ

How do I automate Polymarket trading?

Install this node in n8n, set up your Polymarket API credentials, and use the Place Order operation. Orders are cryptographically signed with EIP-712 and submitted to Polymarket's CLOB.

Can I use this with n8n's AI Agent?

Yes. Both nodes support usableAsTool. Connect them to an AI Agent node and the LLM can search markets, check prices, and place orders.

Does this work with n8n Cloud?

Yes. Go to Settings > Community Nodes > Install and search for n8n-nodes-polymarket-tools. Works on any n8n instance (self-hosted or Cloud).

How is this different from the other Polymarket node?

The existing n8n-nodes-polymarket (v4.2.0) cannot place trades -- all trading operations throw "Coming Soon" errors. This node implements full EIP-712 order signing via viem and @polymarket/clob-client.

Links

License

MIT