MCP server

Agent Preflight Official

com.agent-preflight/agent-preflight

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Budgeted agent preflight: allow|block|reuse|defer|advise. Never executes destination tools. Free MCP

Working at last checkVerified publisher: agent-preflight.comAbout 1,237 tokens per request once connected2 tools

https://api.agent-preflight.com/mcp

At a glance

Type: MCP server
Publisher: agent-preflight.com (verified by the MCP Registry)
Status: Working at last check
Tools: 2
Token cost: About 1,237 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http agent-preflight https://api.agent-preflight.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.agent-preflight]
url = "https://api.agent-preflight.com/mcp"

Gemini CLI

{"mcpServers":{"agent-preflight":{"httpUrl":"https://api.agent-preflight.com/mcp"}}}

Cursor

{"mcpServers":{"agent-preflight":{"url":"https://api.agent-preflight.com/mcp"}}}

VS Code

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

Antigravity

agy mcp add agent-preflight https://api.agent-preflight.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"agent-preflight","server_url":"https://api.agent-preflight.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"agent-preflight","server_url":"https://api.agent-preflight.com/mcp"}

check_request ~602 tokens
Validate an HTTP API request body against a supplied JSON Schema before sending it. This tool does not execute the request. Use it when an agent needs to determine whether a proposed JSON body satisfies its expected schema. Optional economics adds proceed/abort advice from expected waste versus a $0
preflight_tool_call ~635 tokens
Free MCP decision for generic search:web_search or browse:fetch proposals only. Returns structuredContent and JSON text, never destination results. Caller supplies cost estimates, post-consultation budget and history, executes tools and retrieves resultReference itself. Reuse requires explicit permi

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402shield
x402 payment security and pre-execution transaction risk screening for autonomous AI agents.
InterAI Risk Oracle
Pre-execution policy gate for consequential agent actions with durable trust receipts.
Gate Network
x402 gate network for agents to discover gates, inspect definitions, and fetch preflight data.
Relayzero
Agent economy on Solana — USDC via x402. Ships a BuyerAgent SDK + relayzero pay CLI.
Guardrail MCP
Deterministic preflight checks for credentials, fund transfers, writes, and prompt overrides.
Penny Engine — Agent Operations
Remote MCP utilities for agents: structured data, commerce checks, and x402 paid API discovery.
Daski
Discover, purchase, and manage real-world services through Daski's curated marketplace.

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