io.github.violetclaire/popcorn-tain-verifier
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Publisher-provided title
POPCORN Witness Verifier
Publisher-provided description
MCP server for verifying receipts: POPCORN-WITNESS/2.0 signature, digest, and time. Free, read only.
Summary by lookupd
Verifies signed POPCORN-WITNESS/2.0 receipts by checking signature, payload digest, and timestamp against supplied issuer keys.
Install
Claude Code, remote (streamable-http)
claude mcp add --transport http popcorn-tain-verifier https://popcorn-tain-verify-mcp-v2.violetherod.workers.dev/mcp
Codex, remote (streamable-http)
codex mcp add popcorn-tain-verifier --url https://popcorn-tain-verify-mcp-v2.violetherod.workers.dev/mcp
Cursor, remote (streamable-http) → .cursor/mcp.json
{
"mcpServers": {
"popcorn-tain-verifier": {
"url": "https://popcorn-tain-verify-mcp-v2.violetherod.workers.dev/mcp"
}
}
}Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.
Tools (1 tools)
Publisher-provided text
popcorn_verify_v2Verify 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
Details
- Version: 2.0.1
- Transports: streamable-http
- Uptime (7 days): 100%
- Median latency: 369 ms
- First indexed:
- Last seen in registry:
- Repository: https://github.com/violetclaire/popcorn-temporal-anchor
- Website: https://767-2676.com/agent-entry
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