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SignaTrust

Official registry Finance and payments

Blockchain-anchored e-signatures: send envelopes, manage templates, verify anchors on Solana.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @signatrust/mcp-server
Claude Code 
claude mcp add signatrust -e 'SIGNATRUST_API_KEY=<your signatrust_api_key>' -e 'SIGNATRUST_API_URL=<SIGNATRUST_API_URL>' -- npx -y @signatrust/mcp-server@0.3.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "signatrust": {
            "command": "npx",
            "args": [
                "-y",
                "@signatrust/mcp-server@0.3.2"
            ],
            "env": {
                "SIGNATRUST_API_KEY": "<your signatrust_api_key>",
                "SIGNATRUST_API_URL": "<SIGNATRUST_API_URL>"
            }
        }
    }
}

Environment variables

  • SIGNATRUST_API_KEY required secret SignaTrust API key (starts with sk_live_). Create one at Settings -> API keys.
  • SIGNATRUST_API_URL Override the API base URL. Defaults to https://app.signatrust.io; set for self-hosted or local development.

Frequently asked questions

What is SignaTrust?

Blockchain-anchored e-signatures: send envelopes, manage templates, verify anchors on Solana.

How do I install SignaTrust?

It runs on your machine. In Claude Code: claude mcp add signatrust -e 'SIGNATRUST_API_KEY=<your signatrust_api_key>' -e 'SIGNATRUST_API_URL=<SIGNATRUST_API_URL>' -- npx -y @signatrust/mcp-server@0.3.2. For other clients, paste the JSON configuration from this page into their MCP settings.

Does SignaTrust need an API key?

Yes. It expects SIGNATRUST_API_KEY, which you set in its configuration.

Is SignaTrust open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains SignaTrust?

It is published by SignaTrustDev. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.