io.github.ygfalcon/falcon-shield

up checked 2026-11-11T10:38:34.083Z

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Publisher-provided title

Falcon Shield

Publisher-provided description

Pre-sign Solana tx guard for agents: ALLOW/WARN/BLOCK verdict, x402 USDC pay-per-call.

Summary by lookupd

Lets an agent check a Solana transaction before signing, returning an allow, warn, or block verdict and paying per call in USDC.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http falcon-shield https://falcon-shield.falcon-sol.workers.dev/mcp

Codex, remote (streamable-http)

codex mcp add falcon-shield --url https://falcon-shield.falcon-sol.workers.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "falcon-shield": {
      "url": "https://falcon-shield.falcon-sol.workers.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

shield_guard_check Use this before an agent or wallet signs a Solana transaction. Decodes the unsigned or signed transaction and returns NO_MATCH (no known-bad pattern matched; no

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/io.github.ygfalcon/falcon-shield.svg)](https://lookupd.com/servers/io.github.ygfalcon/falcon-shield)