MCP server

Flow — Base quotes & contract safety for agents

io.github.flow-executor/flow

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

Best-execution quotes and contract safety checks on Base for AI agents, paid per call via x402.

Working at last checkAbout 1,042 tokens per request once connected4 tools

https://flow-kg4x.vercel.app/api/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 4
Token cost: About 1,042 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 flow https://flow-kg4x.vercel.app/api/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.flow]
url = "https://flow-kg4x.vercel.app/api/mcp"

Gemini CLI

{"mcpServers":{"flow":{"httpUrl":"https://flow-kg4x.vercel.app/api/mcp"}}}

Cursor

{"mcpServers":{"flow":{"url":"https://flow-kg4x.vercel.app/api/mcp"}}}

VS Code

{"servers":{"flow":{"type":"http","url":"https://flow-kg4x.vercel.app/api/mcp"}}}

Antigravity

agy mcp add flow https://flow-kg4x.vercel.app/api/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":"flow","server_url":"https://flow-kg4x.vercel.app/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"flow","server_url":"https://flow-kg4x.vercel.app/api/mcp"}

flow_health ~63 tokens
Check the Flow quote API health: status, chain, and latest synced block number.
flow_paycheck ~342 tokens
Before you pay this agent, check. PayCheck ($0.50 USDC via x402 on Base) runs Flow's whole checker stack on a payee in ONE call — the payee verdict (kind, on-chain activity, the full contract-safety engine when the payee is a contract), the wallet approval-exposure audit, contract safety, and the pa
flow_quote ~279 tokens
Get a best-execution swap quote on Base. Compares Uniswap V3, PancakeSwap V3 and Aerodrome (plus two-hop routes via WETH), returns the winning venue, expected output, edge in bps vs the baseline, a liquidity flag (deep/watch/thin), the exact block number and timestamp, and build latency. Read-only:
flow_search ~358 tokens
Verified Search ($0.01 USDC via x402 on Base): web search where every result is independently checked by Flow before it reaches you — the result URL is fetched live (liveness, final HTTP status recorded) and the fetched page text is matched against the result's own title/snippet terms (content-match

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SafeRoute
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SwapWizard
Non-custodial DeFi for AI agents: swaps, concentrated liquidity (V3/V4) zaps + ranges, 5 EVM chains

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