Bridge Rates MCP Server
About
An MCP server that delivers real-time cross-chain bridge rates and optimal transfer routes to onchain AI agents.
Details
- License
- MIT
Explore
- 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.
Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
Bridge Rates MCP ServerCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
- 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.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"bridge rates mcp server": {
"bridge-rates": {
"command": "node",
"args": [
"/absolute/path/to/bridge-rates-mcp/index.js"
]
}
}
}
}McpServers
{
"bridge-rates": {
"command": "node",
"args": [
"/absolute/path/to/bridge-rates-mcp/index.js"
]
}
}An MCP server that delivers real-time cross-chain bridge rates and optimal transfer routes to support decision-making by onchain AI agents.
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
1. Clone the Repository:
git clone https://github.com/kukapay/bridge-rates-mcp.git
cd bridge-rates-mcp
2. Install Dependencies:
npm install
3. 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):
{
"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.
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