tersignhq/tersign-js

Overview

TypeScript SDK and MCP server for Tersign, an evidence layer for agent transactions. It generates counter-signed EIP-712 receipts, maintains hash-chained action and disclosure records, and packages evidence into venue-ready envelopes. Distributed as the npm package tersign.

Best for

Best for
Developers building verifiable audit trails for autonomous agents

Use cases

• Attach verifiable receipts to agent-to-agent transactions
• Build hash-chained audit trails for autonomous actions
• Prepare evidence envelopes for dispute resolution

How to use

Install

npx tersign verify 0xe5874f1ffe87f0a6dd9eb157730f67b86ee4538b125fe30fcc4e165213dd3fc4

Tools exposed

• TERSIGN_SELLER_KEY
• TERSIGN_LEDGER_URL
• TERSIGN_LEDGER_API_KEY
• TERSIGN_LEDGER_SELLER_ID
• TERSIGN_ISSUER_NAME
• TERSIGN_ISSUER_JURISDICTION

Notes

TypeScript SDK and MCP server for Tersign, an evidence layer for agent transactions. It generates counter-signed EIP-712 receipts, maintains hash-chained action and disclosure records, and packages evidence into venue-ready envelopes. Distributed as the npm package tersign.

1 stars on GitHub. Last updated 2026-08-30. Licensed MIT.

Use cases

• Attach verifiable receipts to agent-to-agent transactions
• Build hash-chained audit trails for autonomous actions
• Prepare evidence envelopes for dispute resolution

Pros

• Provides structured, standards-based evidence using EIP-712
• Includes both SDK and MCP server for flexible integration
• Covers refunds and disputes out of the box

Cons

• Very early stage with minimal community adoption (1 star)
• Documentation and examples likely limited
• Tied to Tersign’s specific evidence model

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.