Ethereum data for agents: blocks, transactions, traces, tokens, and facts about addresses.
Connect Remote server
claude mcp add --transport http mcp https://tracefast.xyz/mcp --header "X-Api-Key: <X_API_KEY>"
{
"mcpServers": {
"mcp": {
"url": "https://tracefast.xyz/mcp",
"headers": {
"X-Api-Key": "<X_API_KEY>"
}
}
}
}
{
"servers": {
"mcp": {
"type": "http",
"url": "https://tracefast.xyz/mcp",
"headers": {
"X-Api-Key": "<X_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://tracefast.xyz/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server asks for a key before it lists its tools. Connect it with your own key to see them.
Headers
| Name | Description |
|---|---|
X-Api-KeyOptional, secret | A TraceFast API key. Optional here: a client that supports OAuth can sign in with TraceFast instead. |
Details
| Endpoint | https://tracefast.xyz/mcp (Streamable HTTP) |
| First published | 14 Nov 2026 |
| Last updated | 14 Nov 2026 |
| Registry name | xyz.tracefast/mcp |
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