[EPIC] Crypto API Tools

[copyleftdev]

Depends On: #2, #1

POLYMCP-007

Goals

• Crypto price data access
• Multi-exchange trade data
• Historical crypto OHLCV
• Real-time snapshots

Implement MCP tools for Polygon.io Crypto API. Includes cryptocurrency aggregates, trades, snapshots, and exchange information for digital asset markets.

Acceptance Criteria

AC-1

• Given A user wants BTC/USD aggregates
• When The get_crypto_aggregates tool is called with ticker=X:BTCUSD
• Then It returns OHLCV bars for the crypto pair

AC-2

• Given A user wants crypto trades
• When The get_crypto_trades tool is called with ticker=X:ETHUSD
• Then It returns recent trades with price, size, exchange, timestamp

AC-3

• Given A user wants crypto snapshot
• When The get_crypto_snapshot tool is called
• Then It returns current prices and 24h changes for major cryptos

Technical Context

Files:

• src/tools/crypto/mod.rs
• src/tools/crypto/aggregates.rs
• src/tools/crypto/trades.rs
• src/tools/crypto/snapshots.rs

Out of Scope

• DeFi protocols
• On-chain data

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Source: epics/06-crypto-tools.json
Content Hash: da03a6664df304c0