Connect

8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

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

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

[mcp_servers.preflight]
url = "https://preflight--preflight-api-mcp.modal.run/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "preflight": {
      "type": "remote",
      "url": "https://preflight--preflight-api-mcp.modal.run/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "preflight": {
      "type": "http",
      "url": "https://preflight--preflight-api-mcp.modal.run/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=preflight&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcHJlZmxpZ2h0LS1wcmVmbGlnaHQtYXBpLW1jcC5tb2RhbC5ydW4vbWNwIn0%3D"
}

{
  "servers": {
    "preflight": {
      "type": "http",
      "url": "https://preflight--preflight-api-mcp.modal.run/mcp"
    }
  }
}

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

extensions:
  "preflight":
    enabled: true
    name: "preflight"
    type: streamable_http
    uri: "https://preflight--preflight-api-mcp.modal.run/mcp"
    timeout: 300

Quality 81 / 100new

protocol88 · weight 25

pass
protocol.modernsupports 2026-07-28 (server/discover)
pass
protocol.statelessanswers without a session
pass
protocol.transportstreamable HTTP
warn
protocol.list_ttltools/list declares ttlMs 0, so clients re-fetch it on every use

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene75 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
fail
tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
fail
tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: preflight_sim (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); preflight_token_risk (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); preflight_pricing (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
pass
tools.token_costabout 415 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump
pass
tools.hidden_textno hidden text in tool names, descriptions, schemas or annotations

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pull, stability.new_linkstool history recorded for 0 of the 7 days needed

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 415 tokens to load them all · tool set 1b20815aee99 · checked 2026-11-14 07:03 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 94 / 100

provenance80

liveness100

freshness100

hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% +updated-0d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://preflight--preflight-api-mcp.modal.run/mcp` streamable-http	none	yes	100%	460 ms	2026-07-28	2026-11-14

Tools (4)

`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.
`preflight_pricing`	Return the Preflight service info and price list (free).
`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.
`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.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.dainidude/preflight",
  "title": "Preflight",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://preflight--preflight-api-mcp.modal.run/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "repository": {
    "url": "https://github.com/dainidude/preflight-x402",
    "source": "github"
  },
  "description": "Pay-per-call smart-contract security: scans, tx simulation, and token risk via x402 (USDC on Base)."
}