Cross-chain bridge aggregator — compares LI.FI, deBridge, Relay, Across & more for best rates.
Connect Runs on your machine
claude mcp add bridgekitty -e LIFI_API_KEY=<LIFI_API_KEY> -e SQUID_INTEGRATOR_ID=<SQUID_INTEGRATOR_ID> -- npx -y @persistenceone/[email protected]
{
"mcpServers": {
"bridgekitty": {
"command": "npx",
"args": [
"-y",
"@persistenceone/[email protected]"
],
"env": {
"LIFI_API_KEY": "<LIFI_API_KEY>",
"SQUID_INTEGRATOR_ID": "<SQUID_INTEGRATOR_ID>"
}
}
}
}
{
"mcpServers": {
"bridgekitty": {
"command": "npx",
"args": [
"-y",
"@persistenceone/[email protected]"
],
"env": {
"LIFI_API_KEY": "<LIFI_API_KEY>",
"SQUID_INTEGRATOR_ID": "<SQUID_INTEGRATOR_ID>"
}
}
}
}
{
"servers": {
"bridgekitty": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@persistenceone/[email protected]"
],
"env": {
"LIFI_API_KEY": "<LIFI_API_KEY>",
"SQUID_INTEGRATOR_ID": "<SQUID_INTEGRATOR_ID>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
LIFI_API_KEYOptional, secret | LI.FI API key for enhanced rate limits (optional, works without) |
SQUID_INTEGRATOR_IDOptional | Squid integrator ID (optional) |
Details
| Package | @persistenceone/[email protected] (NPM, stdio) |
| First published | 11 Mar 2026 |
| Last updated | 11 Mar 2026 |
| Registry name | io.github.persistenceOne/bridgekitty |
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