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mcp/harbor
Claude Desktop

Tersign Evidence for Claude Desktop

io.github.tersignhq/evidence

Counter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.

client:Claude Desktop transport:stdio runtime:npm

Install Tersign Evidence in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "evidence": {
      "command": "npx",
      "args": [
        "-y",
        "tersign"
      ],
      "env": {
        "TERSIGN_SELLER_KEY": "<TERSIGN_SELLER_KEY>",
        "TERSIGN_ISSUER_NAME": "<TERSIGN_ISSUER_NAME>",
        "TERSIGN_ISSUER_JURISDICTION": "<TERSIGN_ISSUER_JURISDICTION>",
        "TERSIGN_ISSUER_TAX_ID": "<TERSIGN_ISSUER_TAX_ID>",
        "TERSIGN_LEDGER_URL": "<TERSIGN_LEDGER_URL>",
        "TERSIGN_LEDGER_API_KEY": "<TERSIGN_LEDGER_API_KEY>",
        "TERSIGN_LEDGER_SELLER_ID": "<TERSIGN_LEDGER_SELLER_ID>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Tersign Evidence in other clients

Tersign Evidence MCP server