# Precog

> Precog is an open-source prediction market protocol on Base and Arbitrum. Trade any ERC20 token, create custom markets, and resolve outcomes with on-chain oracles.

Precog Markets is the primary web app for browsing, trading, creating, and funding prediction markets. Markets are deployed on Base (chain ID 8453) and Arbitrum (42161). The app supports wallet login via Privy.

## App

- [Home (Base markets)](https://core.precog.markets/8453): Browse and trade live prediction markets on Base
- [Home (Arbitrum markets)](https://core.precog.markets/42161): Browse and trade live prediction markets on Arbitrum
- [Launchpad](https://core.precog.markets/launchpad/8453): Discover and fund upcoming markets before they go live
- [Profile](https://core.precog.markets/profile): View your positions, trades, and portfolio activity
- [Favorites](https://core.precog.markets/favorites): Saved markets for quick access
- [Create market](https://core.precog.markets/8453/create-market): Launch a new prediction market

## Documentation

- [Learn](https://learn.precog.markets/): Guides for wallets, trading, market creation, and protocol concepts
- [Docs](https://docs.precog.markets/): Technical documentation for developers and integrators
- [In-app API docs](https://core.precog.markets/docs): Local API discovery page

## API and Agents

- [Agents index](https://core.precog.markets/.well-known/agents/index.json): Primary agent discovery entry point
- [Auth.md](https://core.precog.markets/auth.md): Agent registration instructions (Auth.md protocol)
- [OpenAPI spec](https://core.precog.markets/openapi.json): Machine-readable API description for market data endpoints
- [API catalog](https://core.precog.markets/.well-known/api-catalog): RFC 9727 linkset for automated API discovery
- [AI catalog](https://core.precog.markets/.well-known/ai-catalog.json): Consolidated agentic resource discovery index
- [Agent card](https://core.precog.markets/.well-known/agent-card.json): A2A agent card with skills and API interface
- [Agent skills index](https://core.precog.markets/.well-known/agent-skills/index.json): Agent Skills discovery index
- [OAuth protected resource](https://core.precog.markets/.well-known/oauth-protected-resource): RFC 9728 metadata for API authentication discovery
- [OAuth authorization server](https://core.precog.markets/.well-known/oauth-authorization-server): OAuth 2.0 authorization server metadata
- [OpenID configuration](https://core.precog.markets/.well-known/openid-configuration): OIDC discovery metadata
- [MCP server card](https://core.precog.markets/.well-known/mcp/server-card.json): MCP server discovery card
- [Tracker API](https://tracker.precog.markets/api/v1): Backend service for market listings, trades, and account data

## Optional

- [LLMs mirror](https://core.precog.markets/.well-known/llms.txt): RFC 8615 mirror of this file
- [Expanded LLM guide](https://core.precog.markets/llms-full.txt): Long-form agent and integrator context
- [Security contact](https://core.precog.markets/.well-known/security.txt): Security disclosure contact (RFC 9116)
- [Robots.txt](https://core.precog.markets/robots.txt): Crawler rules for search engines
- [Sitemap](https://core.precog.markets/sitemap.xml): XML sitemap for site indexing
- [Discord](https://discord.gg/frgXQfM3KZ): Community support and announcements
- [X (Twitter)](https://x.com/precogmarkets): News and product updates
- [GitHub](https://github.com/precog-core): Open-source smart contract code