POPCORN Witness Verifier for Windsurf

io.github.violetclaire/popcorn-tain-verifier

MCP server for verifying receipts: POPCORN-WITNESS/2.0 signature, digest, and time. Free, read only.

client:Windsurf transport:streamable-http tools:1

Install POPCORN Witness Verifier in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

{
  "mcpServers": {
    "popcorn-tain-verifier": {
      "serverUrl": "https://popcorn-tain-verify-mcp-v2.violetherod.workers.dev/mcp"
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs