# Using Polymarket Adapter > How to use the Polymarket adapter in Wayfinder Paths for market discovery (Gamma), orderbooks/prices/history (CLOB), user positions/activity (Data API), and execution (buy/sell + redeem) using USDC.e collateral on Polygon (incl bridge conversion). Use when this capability is needed. - Skill: `tomevault-io/using-polymarket-adapter` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/using-polymarket-adapter` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/using-polymarket-adapter/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Product & Planning - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/using-polymarket-adapter --- ## When to use Use this skill when you are: - Discovering Polymarket markets/events, or doing fuzzy search by text - Pulling orderbooks/prices and historic time series for analysis - Computing “movers” (dark-horse → trending) across a set of markets - Placing predictions (buy), cashing out (sell), or redeeming resolved positions - Converting collateral: native Polygon USDC ↔ **USDC.e** (required for trading) ## How to use - `wayfinder_paths/adapters/polymarket_adapter/README.md` - Adapter overview + end-to-end cycle - [rules/high-value-reads.md](rules/high-value-reads.md) - Market discovery, IDs, time series, analysis patterns - [rules/deposits-withdrawals.md](rules/deposits-withdrawals.md) - Getting **USDC.e** and bridging back to USDC - [rules/execution-opportunities.md](rules/execution-opportunities.md) - Approvals + trading flows (buy/sell/cancel/orders) - [rules/gotchas.md](rules/gotchas.md) - Common pitfalls (USDC vs USDC.e, outcomes, tradability filters, rate limits) --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/wayfinderfoundation) — claim your Tome and manage your conversions.