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LangChain

Perseus Ledger — verifiable, hash-chained event provenance for LangChain

io.github.perseus-computing-llc/ledger

Verifiable, hash-chained event provenance for autonomous systems. Local-first, MIT. 5 MCP tools.

client:LangChain transport:stdio runtime:pypi

Install Perseus Ledger — verifiable, hash-chained event provenance in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "ledger": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["perseus-ledger"],
        }
})

tools = await client.get_tools()

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

Perseus Ledger — verifiable, hash-chained event provenance in other clients