Counter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.
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npx -y tersign{
"TERSIGN_SELLER_KEY": "YOUR_SECRET_VALUE",
"TERSIGN_ISSUER_NAME": "YOUR_VALUE_HERE",
"TERSIGN_ISSUER_JURISDICTION": "YOUR_VALUE_HERE",
"TERSIGN_ISSUER_TAX_ID": "YOUR_VALUE_HERE",
"TERSIGN_LEDGER_URL": "YOUR_VALUE_HERE",
"TERSIGN_LEDGER_API_KEY": "YOUR_SECRET_VALUE",
"TERSIGN_LEDGER_SELLER_ID": "YOUR_VALUE_HERE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-tersignhq-evidence": {
"command": "npx",
"args": [
"-y",
"tersign"
],
"env": {
"TERSIGN_SELLER_KEY": "YOUR_SECRET_VALUE",
"TERSIGN_ISSUER_NAME": "YOUR_VALUE_HERE",
"TERSIGN_ISSUER_JURISDICTION": "YOUR_VALUE_HERE",
"TERSIGN_ISSUER_TAX_ID": "YOUR_VALUE_HERE",
"TERSIGN_LEDGER_URL": "YOUR_VALUE_HERE",
"TERSIGN_LEDGER_API_KEY": "YOUR_SECRET_VALUE",
"TERSIGN_LEDGER_SELLER_ID": "YOUR_VALUE_HERE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
Tersign Evidence is an MCP server for Counter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y tersign; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y tersign. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y tersign. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y tersign. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y tersign. Add required environment variables before starting Cursor or VS Code.
Tersign Evidence uses STDIO transport. Use the package or command config in Install.
Tersign Evidence inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
Tersign Evidence is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
tersignstdio | npm | 0.1.12 | Env: TERSIGN_SELLER_KEY required secret Env: TERSIGN_ISSUER_NAME Env: TERSIGN_ISSUER_JURISDICTION Env: TERSIGN_ISSUER_TAX_ID Env: TERSIGN_LEDGER_URL Env: TERSIGN_LEDGER_API_KEY secret Env: TERSIGN_LEDGER_SELLER_ID |