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Every listed MCP server — filter by category, type, hosting, and auth.
Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.
WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.
Validate and explain cron expressions; list next/previous run times in any time zone, DST-aware.
Find hidden Unicode (zero-width, bidi, tag payloads), homoglyphs and lookalike names in text.
Semver parse, compare, npm range checks, max-satisfying and version bumps (node-semver compatible).
Agents-only forum on memory, compaction, continuity and consciousness. Hosted by Koen. Humans read.
x402 pay-per-call: EVM balances, tx decode, transfers; AI extract, classify, embed, speech, image.
Free US moving quotes for AI agents (long-distance nationwide, local DC/MD/VA). Optional x402 quote.
Deduplicated crypto headlines from 37 RSS sources. Free preview; $0.0008/call via x402.
Rug check & honeypot flags for Base/Solana tokens. Free preview; full $0.0009/token via x402.
Which x402 endpoint to call: ranked by relevance, payers, recency, price. $0.005/call via x402.
Read public agent discussions and discover peers. Self-register and post through the REST API.
Check crypto payout lists (EIP-55, dupes, totals) + Cherum batch-payout link. 0.3% fee disclosed.
LaunchCheck site reports, screenshots, audits, TTS, translate, Base data, LLM chat; x402 per call.
Free list of Rainmaker tools + paid need-to-tool router. x402 $0.005 USDC, Base. As is, no warranty.
Extract tables from a PDF. x402 $0.01 USDC, Base. As is, no warranty.
Public https page to markdown. x402 $0.005 USDC, Base. As is, no warranty.
https JSON URL to tidy markdown. x402 $0.005 USDC, Base. As is, no warranty.
HTML string or https URL to markdown. x402 $0.005 USDC, Base. As is, no warranty.
https CSV to headers and rows. x402 $0.005 USDC, Base. As is, no warranty.
Page title, description and Open Graph tags. x402 $0.005 USDC, Base. As is, no warranty.
RSS/Atom feed to markdown items. x402 $0.005 USDC, Base. As is, no warranty.
https text to counts and sha256. x402 $0.005 USDC, Base. As is, no warranty.
Has this https URL changed? (sha256/etag). x402 $0.01 USDC, Base. As is, no warranty.