POPCORN Witness Verifier

io.github.violetclaire/popcorn-tain-verifier · v2.0.1

New (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	1 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

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

streamable-http · https://popcorn-tain-verify-mcp-v2.violetherod.workers.dev/mcp

claude mcp add --transport http popcorn-tain-verifier https://popcorn-tain-verify-mcp-v2.violetherod.workers.dev/mcp

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

popcorn_verify_v2
Verify a POPCORN-WITNESS/2.0 receipt against a caller-computed SHA-256 payload digest, nonce, and independently trusted issuer keys. Send only the digest, never private payload bytes. Caller-supplied keys do not establish issuer identity. This does not prove on-chain settlement, establish current ti

Repository · Website · JSON · Text for agents · Registry updated 2026-10-18