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MCP server

x402lint

By something-agent

Free x402 endpoint linter: unpaid 402 challenge, payTo/asset/amount, CORS, directory readiness.

Listed on

First seen 27 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.

2
Directories
1 via MCP Toplist
2
Tools
From an anonymous probe
-
ToolBench grade
Not graded by Arcade
0
GitHub stars
From MCP Toplist

Tools

ToolDescriptionBehaviour
lint_payment_requiredLint a PaymentRequired object you already have (decoded JSON, a JSON string, or the raw base64 PAYMENT-REQUIRED header). Same field/value checks as lint_x402_endpoint, no network access. Free.Not declared
lint_x402_endpointUnpaid lint of an x402 endpoint: fetches the 402 (GET and POST), then checks the challenge (version, accepts[] fields, CAIP-2 network, payTo/asset/amount sanity, EIP-712 name/version, timeouts, resource), transport (redirects, cache headers, CORS) and discovery files. Returns findings with ids, severities and fixes. Never pays. Free.Not declared

Directory listings

DirectoryListingTierFirst seen
Official MCP Registryx402lint-27 Oct 2026
GlamaListed there according to MCP Toplist’s dataset; not collected by InvokeRank.
x402lint MCP server | InvokeRank