Preflight

io.github.dainidude/preflightVersion 0.1.0

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

Status

Responds1336 msNov 14, 2026, 14:49 UTCAnswered our handshake without sign-in.

Registry data may be out of date

We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:49 UTC
Latency: 1336 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://preflight--preflight-api-mcp.modal.run/mcpResponds1336 msNov 14, 2026, 14:49 UTC

No sign-in

Claude Code

claude mcp add --transport http preflight https://preflight--preflight-api-mcp.modal.run/mcp

Claude Desktop and claude.ai

1
2
3

Settings > Connectors > Add custom connector
Name: preflight
Remote MCP server URL: https://preflight--preflight-api-mcp.modal.run/mcp

Cursor

{
  "mcpServers": {
    "preflight": {
      "url": "https://preflight--preflight-api-mcp.modal.run/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"preflight","type":"http","url":"https://preflight--preflight-api-mcp.modal.run/mcp"}'

Built your own server? run.zero hosts MCP servers on European infrastructure.

Host your own MCP server on run.zero

Tools

4 tools

Tools of Preflight
	Description		Read-only	Idempotent	Open world
`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.	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	Not declared	Not declared	Not declared
`preflight_pricing`Return the Preflight service info and price list (free).	Return the Preflight service info and price list (free).	Not declared	Not declared	Not declared	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.	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	Not declared	Not declared	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.	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	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Nov 13, 2026
Updated: Nov 13, 2026
Website: Not given
Repository: https://github.com/dainidude/preflight-x402⁠ (opens in a new tab)
Categories (suggested): Security Finance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

Are you the operator? Claim this listing