Polymarket Paper Trader
agent-next/polymarket-paper-trader
Polymarket paper trading for AI agents: $10k paper money, real order books, official fees.
- GitHub stars
- 498
- tools
- 32
- transport
- STDIO
- last updated
- Oct 15, 2026
Tools
32 toolsPublic tool metadata for what this MCP can expose to an agent.
init_accountCreate paper account with starting balance
Create paper account with starting balance
No parameter schema in public metadata yet.
get_balanceCash, reserved/available cash, positions value, total P&L
Cash, reserved/available cash, positions value, total P&L
No parameter schema in public metadata yet.
reset_accountWipe all data and start fresh
Wipe all data and start fresh
No parameter schema in public metadata yet.
search_marketsFind markets by keyword
Find markets by keyword
No parameter schema in public metadata yet.
list_marketsBrowse markets sorted by volume/liquidity
Browse markets sorted by volume/liquidity
No parameter schema in public metadata yet.
get_tagsAll market categories/tags for filtering
All market categories/tags for filtering
No parameter schema in public metadata yet.
get_markets_by_tagMarkets in a specific category/tag
Markets in a specific category/tag
No parameter schema in public metadata yet.
get_eventEvent details — a group of related markets
Event details — a group of related markets
No parameter schema in public metadata yet.
get_marketMarket details with outcomes and prices
Market details with outcomes and prices
No parameter schema in public metadata yet.
get_order_bookLive order book snapshot (bids + asks)
Live order book snapshot (bids + asks)
No parameter schema in public metadata yet.
kalshi_marketsKalshi markets, read-only (open/closed/settled, by series or event)
Kalshi markets, read-only (open/closed/settled, by series or event)
No parameter schema in public metadata yet.
kalshi_marketOne Kalshi market by ticker, read-only
One Kalshi market by ticker, read-only
No parameter schema in public metadata yet.
kalshi_bookLive Kalshi YES order book, read-only
Live Kalshi YES order book, read-only
No parameter schema in public metadata yet.
watch_pricesMonitor prices for multiple markets
Monitor prices for multiple markets
No parameter schema in public metadata yet.
buyBuy shares at best available prices
Buy shares at best available prices
No parameter schema in public metadata yet.
sellSell shares at best available prices
Sell shares at best available prices
No parameter schema in public metadata yet.
portfolioOpen positions with live valuations and P&L
Open positions with live valuations and P&L
No parameter schema in public metadata yet.
historyRecent trade log with execution details
Recent trade log with execution details
No parameter schema in public metadata yet.
place_limit_orderLimit order — stays open until filled or cancelled/expired
Limit order — stays open until filled or cancelled/expired
No parameter schema in public metadata yet.
list_ordersPending limit orders
Pending limit orders
No parameter schema in public metadata yet.
cancel_orderCancel a pending order
Cancel a pending order
No parameter schema in public metadata yet.
cancel_all_ordersCancel all pending limit orders at once
Cancel all pending limit orders at once
No parameter schema in public metadata yet.
check_ordersExecute pending orders against live prices
Execute pending orders against live prices
No parameter schema in public metadata yet.
resolveResolve a closed market (winners get $1/share)
Resolve a closed market (winners get $1/share)
No parameter schema in public metadata yet.
resolve_allResolve all closed markets
Resolve all closed markets
No parameter schema in public metadata yet.
backtestBacktest a strategy against historical snapshots (stdio only)
Backtest a strategy against historical snapshots (stdio only)
No parameter schema in public metadata yet.
stats_cardShareable stats card (tweet/markdown/plain)
Shareable stats card (tweet/markdown/plain)
No parameter schema in public metadata yet.
share_contentPlatform-specific content (twitter/telegram/discord)
Platform-specific content (twitter/telegram/discord)
No parameter schema in public metadata yet.
leaderboard_entryGenerate verifiable leaderboard submission
Generate verifiable leaderboard submission
No parameter schema in public metadata yet.
leaderboard_cardTop 10 ranking card from all local accounts
Top 10 ranking card from all local accounts
No parameter schema in public metadata yet.
pk_cardHead-to-head comparison between two accounts
Head-to-head comparison between two accounts
No parameter schema in public metadata yet.
pk_battleRun two strategies head-to-head, auto-compare (stdio only)
Run two strategies head-to-head, auto-compare (stdio only)
No parameter schema in public metadata yet.
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polymarket-paper-trader
A zero-risk gym for AI agents on real prediction markets — real order books, official fees, verified fill fidelity. Practice, evaluate, and benchmark decision intelligence.
Details
- Repository
- github.com/agent-next/polymarket-paper-trader
- Categories
- AI & LLM Tools, Finance & Commerce
- Package
polymarket-paper-trader- Transport
- STDIO
- Registry
- MCP registry, active
