# POPCORN Witness Verifier

- Registry name: `io.github.violetclaire/popcorn-tain-verifier` · version 2.0.1
- Categories (automatic, keyword rules): Other
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.violetclaire%2Fpopcorn-tain-verifier
- Server page: https://mcpstation.net/s/io.github.violetclaire--popcorn-tain-verifier.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

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

## Tools (as reported by the server, not verified)

- `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

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html