Octav API MCP Server

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Octav API MCP Server

MCP (Model Context Protocol) server for the Octav cryptocurrency portfolio tracking API. This server enables LLM agents to query portfolio data, transaction history, net worth, and historical snapshots across 20+ blockchains.

Features

• 🔗 20+ Blockchain Support: Ethereum, Solana, Arbitrum, Base, Polygon, and more
• 💼 Complete Portfolio Tracking: Wallets + DeFi protocol positions
• 📊 Transaction History: Advanced filtering and pagination
• 💰 Multi-Currency NAV: USD, EUR, GBP, JPY, CNY, ETH, BTC
• 📸 Historical Snapshots: Track portfolio value over time
• 🎯 Token Distribution: Aggregated token holdings across chains
• 🎁 Airdrop Tracking: Solana airdrop eligibility
• 📈 Polymarket Positions: Prediction market tracking
• 🤖 x402 Payment Protocol: AI agent-friendly endpoints

Installation

For End Users

The easiest way to use this MCP server is with npx (no installation required):

npx octav-api-mcp

Or install globally:

npm install -g octav-api-mcp
# or
pnpm add -g octav-api-mcp

For Development

Clone the repository and build from source:

git clone https://github.com/Octav-Labs/octav-api-mcp.git
cd octav-api-mcp
pnpm install
pnpm build

Configuration

Create a .env file in the project root:

OCTAV_API_KEY=your-api-key-here

Get your API key from octav.fi.

Usage

With Claude Desktop

Add to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json on macOS):

{
  "mcpServers": {
    "octav": {
      "command": "npx",
      "args": ["-y", "octav-api-mcp"],
      "env": {
        "OCTAV_API_KEY": "your-api-key-here"
      }
    }
  }
}

The -y flag automatically confirms package installation if not already cached.

Alternative (if installed globally):

{
  "mcpServers": {
    "octav": {
      "command": "octav-api-mcp",
      "env": {
        "OCTAV_API_KEY": "your-api-key-here"
      }
    }
  }
}

With MCP Inspector

For testing and debugging:

pnpm build
pnpm dlx @modelcontextprotocol/inspector node build/index.js

Available Tools

All tools use the octav_ prefix for namespace clarity.

Portfolio & Holdings (4 tools)

1. octav_get_portfolio

Get complete portfolio including wallet holdings and DeFi protocol positions.

Parameters:

• addresses (required): Array of wallet addresses (max 10)

Cost: 1 credit per address

2. octav_get_wallet

Get wallet holdings only (excludes DeFi protocols).

Parameters:

• addresses (required): Array of wallet addresses (max 10)

Cost: 1 credit per address

3. octav_get_nav

Get total net worth (NAV) in specified currency.

Parameters:

• addresses (required): Array of wallet addresses (max 10)
• currency (optional): Currency code (usd, eur, gbp, jpy, cny, eth, btc). Default: usd

Cost: 1 credit per address

4. octav_get_token_overview

Get aggregated token distribution across all chains.

Parameters:

• addresses (required): Array of wallet addresses (max 10)

Cost: 1 credit per address

Transactions (2 tools)

5. octav_get_transactions

Query transaction history with filtering and pagination.

Parameters:

• addresses (required): Array of wallet addresses (max 10)
• chain (optional): Filter by specific chain
• type (optional): Filter by transaction type
• startDate (optional): Start date (YYYY-MM-DD)
• endDate (optional): End date (YYYY-MM-DD)
• offset (optional): Pagination offset. Default: 0
• limit (optional): Number of results (1-250). Default: 50

Cost: 1 credit per address

6. octav_sync_transactions

Manually trigger transaction synchronization.

Parameters:

• addresses (required): Array of wallet addresses (max 10)

Cost: 1 credit per address

Historical & Snapshots (2 tools)

7. octav_get_historical

Get portfolio snapshot for a specific date in the past.

Parameters:

• addresses (required): Array of wallet addresses (max 10)
• date (required): Date for snapshot (YYYY-MM-DD)

Cost: 1 credit per address

8. octav_subscribe_snapshot

Subscribe to automatic portfolio snapshots.

Parameters:

• addresses (required): Array of wallet addresses (max 10)
• frequency (required): Snapshot frequency (daily, weekly, monthly)

Cost: 1 credit per address

Metadata (2 tools)

9. octav_get_status

Check synchronization status across all chains.

Parameters:

• addresses (required): Array of wallet addresses (max 10)

Cost: FREE

10. octav_get_credits

Check API credit balance and usage.

Parameters: None

Cost: FREE

Specialized (4 tools)

11. octav_get_airdrop

Check airdrop eligibility (Solana only).

Parameters:

• address (required): Solana wallet address

Cost: 1 credit

12. octav_get_polymarket

Get Polymarket prediction market positions.

Parameters:

• address (required): Ethereum wallet address

Cost: 1 credit

13. octav_agent_wallet

Get wallet holdings via x402 payment protocol (for AI agents).

Parameters:

• addresses (required): Array of wallet addresses (max 10)

Cost: Paid via HTTP 402 payment protocol

14. octav_agent_portfolio

Get full portfolio via x402 payment protocol (for AI agents).

Parameters:

• addresses (required): Array of wallet addresses (max 10)

Cost: Paid via HTTP 402 payment protocol

Address Formats

The server accepts two address formats:

• EVM addresses: 0x followed by 40 hex characters (Ethereum, Polygon, Arbitrum, Base, etc.)
• Solana addresses: 32-44 character base58 strings

Response Format

All tools return dual-format responses:

1. Markdown Summary: Human-readable overview with key metrics
2. Full JSON: Complete API response data for programmatic access

API Costs & Rate Limits

• Most endpoints cost 1 credit per address
• octav_get_status and octav_get_credits are FREE
• Transaction queries have a max limit of 250 per request
• Max 10 addresses per request
• Purchase credits at octav.fi

Error Handling

The server provides clear error messages for:

• Validation errors: Invalid address formats, parameter constraints
• Authentication errors: Invalid API key
• Insufficient credits: Low balance with purchase link
• Rate limiting: Retry suggestions
• Network errors: Connection issues

Development

Build

pnpm build

Watch Mode

pnpm dev

Testing

pnpm test

Example Usage

Once configured with Claude Desktop, you can ask questions like:

• "What's in my Ethereum wallet 0x..."
• "Show me my complete crypto portfolio for addresses X, Y, Z"
• "What was my net worth on 2024-01-01?"
• "Get my transaction history for the last month"
• "Am I eligible for any Solana airdrops?"
• "What are my Polymarket positions?"

Supported Chains

Ethereum, Solana, Arbitrum, Base, Polygon, Optimism, BNB Chain, Avalanche, Fantom, Cronos, Gnosis, Celo, Moonbeam, Moonriver, Harmony, Aurora, Metis, Boba, Fuse, Evmos, Kava, and more.

License

MIT

Links

• Octav Website
• Octav API Documentation
• Model Context Protocol

Support

For API issues or questions, visit octav.fi or check the API documentation.