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mcp/harbor
LangChain

Pact Tooling for LangChain

io.github.pact-community-organization/pact

Pact 5 tooling: REPL test runs, trap scanning, gas estimation, interface diff, format checks.

client:LangChain transport:stdio runtime:npm

Install Pact Tooling in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "pact": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@pact-community/mcp-pact"],
        }
})

tools = await client.get_tools()

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

Pact Tooling in other clients

Pact Tooling MCP server