Server data from the Official MCP Registry
Counter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.
About
Counter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.
Security Report
Tersign is a well-structured MCP server for evidence/receipt management with proper cryptographic signing and verification. Authentication is correctly handled via TERSIGN_SELLER_KEY environment variable, and the codebase shows good defensive practices around sensitive data (digests only, no raw arguments logged). Permissions align with the server's purpose (network for ledger communication, env vars for credentials, file I/O for local fallback). Minor code quality observations do not materially impact security. Supply chain analysis found 2 known vulnerabilities in dependencies (2 critical, 0 high severity). Package verification found 1 issue.
5 files analyzed · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: TERSIGN_SELLER_KEY
Environment variable: TERSIGN_ISSUER_NAME
Environment variable: TERSIGN_ISSUER_JURISDICTION
Environment variable: TERSIGN_ISSUER_TAX_ID
Environment variable: TERSIGN_LEDGER_URL
Environment variable: TERSIGN_LEDGER_API_KEY
Environment variable: TERSIGN_LEDGER_SELLER_ID
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-tersignhq-evidence": {
"env": {
"TERSIGN_LEDGER_URL": "your-tersign-ledger-url-here",
"TERSIGN_SELLER_KEY": "your-tersign-seller-key-here",
"TERSIGN_ISSUER_NAME": "your-tersign-issuer-name-here",
"TERSIGN_ISSUER_TAX_ID": "your-tersign-issuer-tax-id-here",
"TERSIGN_LEDGER_API_KEY": "your-tersign-ledger-api-key-here",
"TERSIGN_LEDGER_SELLER_ID": "your-tersign-ledger-seller-id-here",
"TERSIGN_ISSUER_JURISDICTION": "your-tersign-issuer-jurisdiction-here"
},
"args": [
"-y",
"tersign"
],
"command": "npx"
}
}
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