Lets agents read smart contract state and query transactions, events and token information through the Bankless Onchain API.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add bankless-onchain --env BANKLESS_API_TOKEN='<BANKLESS_API_TOKEN>' -- npx @bankless/onchain-mcp~/.codex/config.toml
[mcp_servers.bankless-onchain]
command = "npx"
args = ["@bankless/onchain-mcp"]
env = { BANKLESS_API_TOKEN = "<BANKLESS_API_TOKEN>" }
# codex mcp add bankless-onchain --env BANKLESS_API_TOKEN='<BANKLESS_API_TOKEN>' -- npx @bankless/onchain-mcp~/.cursor/mcp.json
{
"mcpServers": {
"bankless-onchain": {
"command": "npx",
"args": [
"@bankless/onchain-mcp"
],
"env": {
"BANKLESS_API_TOKEN": "<BANKLESS_API_TOKEN>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"bankless-onchain": {
"type": "stdio",
"command": "npx",
"args": [
"@bankless/onchain-mcp"
],
"env": {
"BANKLESS_API_TOKEN": "<BANKLESS_API_TOKEN>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"bankless-onchain": {
"command": "npx",
"args": [
"@bankless/onchain-mcp"
],
"env": {
"BANKLESS_API_TOKEN": "<BANKLESS_API_TOKEN>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"bankless-onchain": {
"command": "npx",
"args": [
"@bankless/onchain-mcp"
],
"env": {
"BANKLESS_API_TOKEN": "<BANKLESS_API_TOKEN>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"bankless-onchain": {
"command": "npx",
"args": [
"@bankless/onchain-mcp"
],
"env": {
"BANKLESS_API_TOKEN": "<BANKLESS_API_TOKEN>"
}
}
}
}Environment variables
BANKLESS_API_TOKEN
Replace the placeholders with your own credentials and keep them out of version control.