MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

Publisher portfolio

x402supply.com

Explore the MCP servers published by x402supply.com, with independent connection checks, performance measurements, and setup instructions for each project.

Listed servers
6

Active projects in this portfolio. Deleted and deprecated registry rows are excluded.

Sampled servers
6

Active servers with a recorded connection probe

Latest probe connected
6

Latest stored probe connected. This is not a live guarantee.

Repositories
0

Distinct source repositories linked by the active listings

Portfolio overview

MCP servers

Compare connection status and measurements. Open a server for its tools, check results, and client configuration.

Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
com.x402supply/entity-resolve

Fuzzy entity resolution and dedupe for names, addresses, and company records. $0.02/call via x402.

Finance & CryptoPayments & trading

Responded89 ms11 / 22
com.x402supply/hts-classify

Classifies products into HS/HTS customs codes for import/export workflows. $0.10/call via x402.

Finance & CryptoAutomation & workflows

Responded55 ms11 / 22
com.x402supply/page-extract

URL to clean article markdown/text + metadata and links. Deterministic. $0.001/call via x402.

Finance & CryptoFile & docs

Responded63 ms11 / 22
com.x402supply/endpoint-diligence

Live x402 endpoint trust/diligence check before you pay it. $0.02/call via x402.

Finance & CryptoPayments & trading

Responded67 ms11 / 22
com.x402supply/chess-eval

Stockfish chess eval: best move, score, principal variation, multipv. $0.005/call via x402.

Finance & CryptoPayments & trading

Responded71 ms11 / 22
com.x402supply/pii-redact

Detects and redacts PII (emails, phones, SSNs, names, addresses) from text. $0.02/call via x402.

ProductivityCommunication & messaging

Responded68 ms11 / 22

Company & identity

About x402supply.com

x402supply.com publishes MCP servers under the com.x402supply namespace. This namespace uses a reverse-domain identity in the directory.

Namespace verification connects the publisher to its registry identity. It does not certify the security of individual servers.

Source repositories

No source repositories listed yet.