Blockchain-anchored e-signatures: send envelopes, manage templates, verify anchors on Solana.
Connect Runs on your machine
claude mcp add mcp-server -e SIGNATRUST_API_KEY=<SIGNATRUST_API_KEY> -e SIGNATRUST_API_URL=<SIGNATRUST_API_URL> -- npx -y @signatrust/[email protected]
{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@signatrust/[email protected]"
],
"env": {
"SIGNATRUST_API_KEY": "<SIGNATRUST_API_KEY>",
"SIGNATRUST_API_URL": "<SIGNATRUST_API_URL>"
}
}
}
}
{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@signatrust/[email protected]"
],
"env": {
"SIGNATRUST_API_KEY": "<SIGNATRUST_API_KEY>",
"SIGNATRUST_API_URL": "<SIGNATRUST_API_URL>"
}
}
}
}
{
"servers": {
"mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@signatrust/[email protected]"
],
"env": {
"SIGNATRUST_API_KEY": "<SIGNATRUST_API_KEY>",
"SIGNATRUST_API_URL": "<SIGNATRUST_API_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 |
|---|---|
SIGNATRUST_API_KEYRequired, secret | SignaTrust API key (starts with sk_live_). Create one at Settings -> API keys. |
SIGNATRUST_API_URLOptional | Override the API base URL. Defaults to https://app.signatrust.io; set for self-hosted or local development. |
Details
| Package | @signatrust/[email protected] (NPM, stdio) |
| First published | 26 Jun 2026 |
| Last updated | 26 Jun 2026 |
| Registry name | io.signatrust/mcp-server |
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