Official MCP RegistryListed

Preflight

Pay-per-call smart-contract security: scans, tx simulation, and token risk via x402 (USDC on Base).

First seen 13 Nov 2026. Evidence as of 14 Nov 2026.

Tools

From an anonymous probe

Source listings

Each with its own history

Recorded changes

Since first seen

Tools

Tool	Description	Behaviour
preflight_bundle	Run a combined token-risk, address-risk, and optional source scan for one address in a single paid call ($0.15 USDC on Base mainnet). Returns the bundle JSON.	Not declared
preflight_check	Scan Solidity source and return a security verdict. This is a paid call ($0.01 USDC on Base mainnet) that flows through x402; in dev mode (DEV_MODE=1) no payment is required.	Not declared
preflight_pricing	Return the Preflight service info and price list (free).	Not declared
preflight_sim	Simulate a transaction against a contract and return revert reason, gas used, balance deltas, and severity-scored findings. mode='quick' costs $0.05 (eth_call); mode='deep' costs $0.25 (anvil local fork with gas, balance_delta_wei, and internal_calls). Paid in USDC on Base mainnet via x402; DEV_MODE=1 skips payment.	Not declared
preflight_token_risk	Check a token contract before trading it. Returns a honeypot transfer verdict, transfer tax percentage, and owner privileges as a severity-scored ScanReport. Paid call ($0.05 USDC on Base mainnet) via x402; DEV_MODE=1 skips payment.	Not declared
preflight_verify	Verify a past Preflight attestation by source digest (free). Returns the verification result JSON.	Not declared

Source listings
Source	Listing	First seen	Last seen	Versions
Official MCP Registry	io.github.dainidude/preflight	13 Nov 2026	14 Nov 2026	1