Build-only Hedera (Hashgraph) MCP — 73 tools across all core services plus analytics reads.
Connect Runs on your machine
claude mcp add hedera-mcp -e HEDERA_NETWORK=<HEDERA_NETWORK> -e HEDERA_OPERATOR_ID=<HEDERA_OPERATOR_ID> -e HEDERA_MIRROR_URL=<HEDERA_MIRROR_URL> -- npx -y @purplesquirrel/[email protected]
{
"mcpServers": {
"hedera-mcp": {
"command": "npx",
"args": [
"-y",
"@purplesquirrel/[email protected]"
],
"env": {
"HEDERA_NETWORK": "<HEDERA_NETWORK>",
"HEDERA_OPERATOR_ID": "<HEDERA_OPERATOR_ID>",
"HEDERA_MIRROR_URL": "<HEDERA_MIRROR_URL>"
}
}
}
}
{
"mcpServers": {
"hedera-mcp": {
"command": "npx",
"args": [
"-y",
"@purplesquirrel/[email protected]"
],
"env": {
"HEDERA_NETWORK": "<HEDERA_NETWORK>",
"HEDERA_OPERATOR_ID": "<HEDERA_OPERATOR_ID>",
"HEDERA_MIRROR_URL": "<HEDERA_MIRROR_URL>"
}
}
}
}
{
"servers": {
"hedera-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@purplesquirrel/[email protected]"
],
"env": {
"HEDERA_NETWORK": "<HEDERA_NETWORK>",
"HEDERA_OPERATOR_ID": "<HEDERA_OPERATOR_ID>",
"HEDERA_MIRROR_URL": "<HEDERA_MIRROR_URL>"
}
}
}
}
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 |
|---|---|
HEDERA_NETWORKOptional | mainnet | testnet (default) | previewnet |
HEDERA_OPERATOR_IDOptional | Optional default payer/treasury account id (not a private key) |
HEDERA_MIRROR_URLOptional | Optional Mirror Node REST base URL override |
Details
| Package | @purplesquirrel/[email protected] (NPM, stdio) |
| First published | 30 May 2026 |
| Last updated | 30 May 2026 |
| Registry name | io.github.ExpertVagabond/hedera-mcp |
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