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Read-only probes

Flow — Base quotes & contract safety for agents

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io.github.flow-executor/flow

flow-executorVerified

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

LegalIs Flow — Base quotes & contract safety for agents down?Alternatives

14 of 22 checks passed

  • Handshake
  • Tools listed
  • Updated recently

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Connect to server
Median latency
505 ms
Uptime, 30 days
Not measured
Last checked

Measurement details

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 467 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name @flowexecutor/flow-mcp.

  • Pass
    Lists tools

    tools/list returned 4 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 505 ms over 2 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 538 ms over 2 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    2 of 2 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Pass
    Stable tool list

    No tool was removed and no required parameter was added in the last 30 days.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    7 of 7 parameters have a description (100%). The bar is 80%.

  • Fail
    Safety hints

    4 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Pass
    Repo owner matches

    The GitHub repository owner matches the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-12T15:09:24.713616Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Tools

  • flow_health

    Check the Flow quote API health: status, chain, and latest synced block number.

    Measured

  • flow_paycheck

    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 payee's recent USDC settlement history — and returns one finished grade (ALLOW / REVIEW / BLOCK with a 0-100 score), a verify_status (verified / failed / unverified_verifier_down), every check, the evidence under it, and a receipt. The guarantee: the report is produced before settlement; if it cannot be produced, the payment is never settled — no report, no charge. This hosted endpoint does not hold a wallet: an unpaid call returns the endpoint's x402 payment challenge itself, never an invented result. Pay it with any x402 client, or use the @flowexecutor/flow-mcp stdio package with an Early Builder Key.

    Measured

  • flow_quote

    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: no funds move.

    Measured

  • flow_search

    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 score). Each result carries a verify_status (verified / failed / unverified_verifier_down), its httpStatus and contentMatch, and the response carries a receipt counting checked / verified / failed. Bad results are flagged, never silently dropped. The guarantee: the search is produced before settlement; if it cannot be produced, the payment is never settled. This hosted endpoint does not hold a wallet: an unpaid call returns the endpoint's x402 payment challenge itself, never an invented result. Pay it with any x402 client, or use the @flowexecutor/flow-mcp stdio package with an Early Builder Key.

    Measured

Probe history

  • ok467 ms4 tools
  • ok542 ms4 tools

Status and uptime

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Markdown

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HTML

<a href="https://mcpheartbeat.com/s/io.github.flow-executor/flow"><img alt="MCP Heartbeat" src="https://mcpheartbeat.com/badge/io.github.flow-executor/flow.svg"></a>

Uptime markdown

[![MCP Heartbeat uptime](https://mcpheartbeat.com/badge/io.github.flow-executor/flow.svg?kind=uptime)](https://mcpheartbeat.com/s/io.github.flow-executor/flow)

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Connect to this server

Claude Code

claude mcp add --transport http flow-base-quotes-contract-safety-for-agents https://flow-kg4x.vercel.app/api/mcp

Cursor .cursor/mcp.json

{
  "mcpServers": {
    "flow-base-quotes-contract-safety-for-agents": {
      "url": "https://flow-kg4x.vercel.app/api/mcp"
    }
  }
}

VS Code .vscode/mcp.json

{
  "servers": {
    "flow-base-quotes-contract-safety-for-agents": {
      "type": "http",
      "url": "https://flow-kg4x.vercel.app/api/mcp"
    }
  }
}