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LangChain

Tersign Evidence for LangChain

io.github.tersignhq/evidence

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

client:LangChain transport:stdio runtime:npm

Install Tersign Evidence in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "evidence": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "tersign"],
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

Tersign Evidence in other clients