MCP server

PayCheck

io.github.toolweather/paycheck

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Score merchant domain, https URL, or 0x wallet trust before an agent pays. Does not send payments.

Working at last checkAbout 1,271 tokens per request once connected3 tools

https://paycheck.toolweather.workers.dev/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 3
Token cost: About 1,271 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 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 paycheck https://paycheck.toolweather.workers.dev/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.paycheck]
url = "https://paycheck.toolweather.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"paycheck":{"httpUrl":"https://paycheck.toolweather.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"paycheck":{"url":"https://paycheck.toolweather.workers.dev/mcp"}}}

VS Code

{"servers":{"paycheck":{"type":"http","url":"https://paycheck.toolweather.workers.dev/mcp"}}}

Antigravity

agy mcp add paycheck https://paycheck.toolweather.workers.dev/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":"paycheck","server_url":"https://paycheck.toolweather.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"paycheck","server_url":"https://paycheck.toolweather.workers.dev/mcp"}

check_merchant ~747 tokens
Decide whether an autonomous agent should pay a merchant, host, or wallet. PayCheck returns a deterministic trust score for one target. It does not send money, does not sign transactions, and does not hold wallet keys. Use this immediately before a payment, a checkout redirect, or a transfer to a n
get_api_key ~240 tokens
Mint one free PayCheck API key. The key looks like pc_live_ followed by hex and raises the merchant-check allowance from 100 to 1,000 per UTC day. Use this once when you set up a long-running agent, then store the key and pass it on later check_merchant or get_quota calls. The plaintext key is retu
get_quota ~284 tokens
Show how many free PayCheck merchant checks the current caller has left for the current UTC day. Use this before a batch of check_merchant calls, or after an HTTP 402, to read the remaining free allowance and when it resets. Do not use this to score a payee. It accepts no target and it does not co

SpendGate
Score a planned spend before an agent pays. Verdicts: approve, ask_human, or block.
Lumière PayCheck
Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
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Check if a counterparty is safe to pay: trust/risk score for AI agents. Scam/phishing screen.
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Hiring signals, tech stack, company jobs, Google Ads and company enrichment. x402 on Base.
LION — Verified Company & Compliance Data
Keyless x402 compliance on Base: $0.001 OFAC wallet screen, $0.05 pack, $0.95 company file.

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