Bridge Rates MCP Server
An MCP server that delivers real-time cross-chain bridge rates and optimal transfer routes to support decision-making by onchain AI agents.
 !License !Node.js !Status
Features
- Get Bridge Rates: Retrieve cross-chain bridge rates for token pairs, including USD values, gas costs, route providers and tags, presented in a Markdown table.
- List Supported Chains: Fetch a sorted list of blockchain networks supported by LI.FI.
- List Supported Bridges: Obtain a sorted list of bridges and exchanges available for cross-chain transfers.
Prerequisites
- Node.js: Version 18 or higher.
- npm: For dependency management.
- MCP Client: An MCP-compatible client (e.g., Claude Desktop) to interact with the server.
Installation
- Clone the Repository:
git clone https://github.com/kukapay/bridge-rates-mcp.git
cd bridge-rates-mcp- Install Dependencies:
npm install- Integrate with an MCP Client:
Configure your MCP client (e.g., Claude Desktop) to connect to the server. For Claude Desktop, edit the configuration file (e.g., ~/Library/Application Support/Claude/claude_desktop_config.json on Mac or %APPDATA%\Claude\claude_desktop_config.json on Windows): ``json { "mcpServers": { "bridge-rates": { "command": "node", "args": ["/absolute/path/to/bridge-rates-mcp/index.js"] } } } `` Restart Claude Desktop and verify the tools are available (look for the hammer icon).
Tools
1. getBridgeRates
Fetches cross-chain bridge rates for a token pair between two chains, returning all available routes in a Markdown table.
Parameters:
fromChainId(string, required): Source chain ID (e.g., "1" for Ethereum).toChainId(string, required): Destination chain ID (e.g., "10" for Optimism).fromTokenAddress(string, required): Source token contract address.toTokenAddress(string, required): Destination token contract address.fromAmount(string, optional): Amount to bridge in the smallest token unit (default: "10000000").
Example Prompt: `` What's the bridge rate from Arbitrum USDC to Optimism DAI? ``
Example Output: `` | From Amount | From Amount USD | To Amount | To Amount USD | To Amount Min | Gas Cost USD | Providers | Tags | |-------------|-----------------|-----------|---------------|---------------|--------------|-----------|----------------------| | 10000000 | 10.00 | 9980000 | 9.98 | 9940000 | 0.2300 | hop | RECOMMENDED,CHEAPEST | | 10000000 | 10.00 | 9975000 | 9.97 | 9935000 | 0.2500 | connext | None | ``
2. getSupportedChains
Fetches a sorted list of chains supported by LI.FI for cross-chain bridging, presented in a Markdown table.
Parameters: None.
Example Prompt: `` List all supported chains for bridging. ``
Example Output: `` | Chain Type | ID | Key | Name | Native Token | |------------|----|-----|---------------|--------------| | EVM | 1 | eth | Ethereum | ETH | | EVM | 10 | opt | Optimism | ETH | | EVM | 137| pol | Polygon | MATIC | | SVM | 101| sol | Solana | SOL | ``
3. getSupportedBridges
Fetches a sorted list of bridges and exchanges supported by LI.FI, presented in a Markdown table.
Parameters: None.
Example Prompt: `` List all supported bridges for cross-chain bridging. ``
Example Output: `` | Key | Name | Type | |---------------|---------------------|----------| | across | Across | BRIDGE | | connext | Connext | BRIDGE | | hop | Hop Protocol | BRIDGE | | sushiswap | SushiSwap | EXCHANGE | | uniswap | Uniswap | EXCHANGE | ``
License
This project is licensed under the MIT License. See the LICENSE file for details.
