POPCORN Witness Verifier for LangChain
io.github.violetclaire/popcorn-tain-verifier
MCP server for verifying receipts: POPCORN-WITNESS/2.0 signature, digest, and time. Free, read only.
client:LangChain
transport:streamable-http
tools:1
Install POPCORN Witness Verifier in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"popcorn-tain-verifier": {
"transport": "streamable_http",
"url": "https://popcorn-tain-verify-mcp-v2.violetherod.workers.dev/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs