Hedera Hcs MCP Server
by mountainmysticio.github.mountainmystic/hedera-hcs-mcp-serverv1.0.1
AI-powered Hedera HCS topic intelligence for agents. Pay per call in HBAR.
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Stale8mo ago
Install Hedera Hcs MCP server
Install in Claude Code
claude mcp add hedera-hcs -e HEDERA_ACCOUNT_ID='<hedera-account-id>' -e HEDERA_PRIVATE_KEY='<hedera-private-key>' -e HEDERA_NETWORK='<hedera-network>' -e OPENAI_API_KEY='<openai-api-key>' -- npx -y hedera-hcs-mcp-serverInstall in Cursor
{
"mcpServers": {
"hedera-hcs": {
"command": "npx",
"args": [
"-y",
"hedera-hcs-mcp-server"
],
"env": {
"HEDERA_ACCOUNT_ID": "<hedera-account-id>",
"HEDERA_PRIVATE_KEY": "<hedera-private-key>",
"HEDERA_NETWORK": "<hedera-network>",
"OPENAI_API_KEY": "<openai-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"hedera-hcs": {
"command": "npx",
"args": [
"-y",
"hedera-hcs-mcp-server"
],
"env": {
"HEDERA_ACCOUNT_ID": "<hedera-account-id>",
"HEDERA_PRIVATE_KEY": "<hedera-private-key>",
"HEDERA_NETWORK": "<hedera-network>",
"OPENAI_API_KEY": "<openai-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"hedera-hcs": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"hedera-hcs-mcp-server"
],
"env": {
"HEDERA_ACCOUNT_ID": "<hedera-account-id>",
"HEDERA_PRIVATE_KEY": "<hedera-private-key>",
"HEDERA_NETWORK": "<hedera-network>",
"OPENAI_API_KEY": "<openai-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"hedera-hcs": {
"command": "npx",
"args": [
"-y",
"hedera-hcs-mcp-server"
],
"env": {
"HEDERA_ACCOUNT_ID": "<hedera-account-id>",
"HEDERA_PRIVATE_KEY": "<hedera-private-key>",
"HEDERA_NETWORK": "<hedera-network>",
"OPENAI_API_KEY": "<openai-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| HEDERA_ACCOUNT_ID | yes | — | Hedera account ID in format 0.0.XXXXXXX |
| HEDERA_PRIVATE_KEY | yes | yes | Hedera account private key (ECDSA hex format) |
| HEDERA_NETWORK | yes | — | Hedera network: testnet or mainnet |
| OPENAI_API_KEY | yes | yes | OpenAI API key for GPT-4o Mini powered analysis |
Freshness
Stale — last maintenance signal 8mo ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-02-25 · 8mo ago · official registry · v1.0.1
FAQ
›How do I install the Hedera Hcs MCP server in Claude Code?
Run: claude mcp add hedera-hcs -e HEDERA_ACCOUNT_ID='<hedera-account-id>' -e HEDERA_PRIVATE_KEY='<hedera-private-key>' -e HEDERA_NETWORK='<hedera-network>' -e OPENAI_API_KEY='<openai-api-key>' -- npx -y hedera-hcs-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Hedera Hcs require an API key?
Yes. It expects HEDERA_ACCOUNT_ID, HEDERA_PRIVATE_KEY, HEDERA_NETWORK, OPENAI_API_KEY, of which 2 are secrets.
›Can I use Hedera Hcs as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Hedera Hcs in the official MCP registry?
Yes, as io.github.mountainmystic/hedera-hcs-mcp-server.