a2bflight MCP MCP server

An official MCP server provided by a2bflight that allows AI assistants to query cached flight fares across thousands of routes. It returns real prices, the date they were seen, and links to book, enabling agents to answer flight cost questions without guessing.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by A 2 B

MCP endpoint (Streamable HTTP)

https://mcp.a2bflight.com/mcp

Vendor documentation

What you can do with it

Find the cheapest flights from a specific origin next month
Check the cost of flights from New York to Lisbon in November
Identify destinations flyable from Chicago for under $150

Tools advertised by the last live check:

cheapest_routes
find_airports
route_fares

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http a2bflight-mcp https://mcp.a2bflight.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add a2bflight-mcp --url https://mcp.a2bflight.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable a2bflight-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "a2bflight-mcp": {
      "url": "https://mcp.a2bflight.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "a2bflight-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.a2bflight.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start a2bflight-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "a2bflight-mcp": {
      "type": "http",
      "url": "https://mcp.a2bflight.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http a2bflight-mcp https://mcp.a2bflight.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "a2bflight-mcp": {
      "url": "https://mcp.a2bflight.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "a2bflight-mcp": {
      "serverUrl": "https://mcp.a2bflight.com/mcp"
    }
  }
}

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