Best remote MCP servers

Read-only search and Markdown pages from the OpenPlanr docs, for coding agents.

Read-only index to Japanese election data, official sources, relations and scoped search history.

x402-paid MCP tools: utils, audit screens, corpus search, inference. USDC Base+Solana.

ProofRun: bounded HTTP acceptance checks for agent deployments. $0.01 USDC per pack.

Pay-per-call x402 SEC EDGAR data: company search, profiles, XBRL financials, filings.

Pay-per-call x402 npm and PyPI package metadata, versions, search, download counts.

Pay-per-call x402 arXiv paper search, metadata, abstracts, and category listings.

Pay-per-call x402 DNS, WHOIS/RDAP, availability, email security, SSL check, CT subdomains.

Pay-per-call x402 Base/Ethereum prices, DEX, ENS, gas, tokens, holders, balances, txs.

Pay-per-call YouTube data via x402 (USDC, Base): search, channels, playlists, video details, comment

Pay-per-call x402 Wikipedia summaries/search and Wikidata facts, with CC BY-SA attribution.

Pay-per-call x402 web search results, news search and search autocomplete suggestions for agents.

Pay-per-call x402 Telegram channels, Mastodon tags, Bluesky, Hacker News, Lobsters data.

Instagram comment-to-DM automation your AI can set up and leave running, on the official Meta API.

Read-only access to pavels.dev: services, case studies, articles and team of a web dev studio.

52Trust score 52 of 100, Fair

Maylee AI email: read, search, triage, draft and send; manage labels, views and AI label rules.

Patent prior-art search, claim comparison, and codebase scans for patentable tech (patent_scan).

Doctrine and validators for governable agentic AI products.

Sales coaching data in your AI assistant: calls, Influence Scores, objections and meeting prep.

52Trust score 52 of 100, Fair

Discover Playwright workflows, start runs, and inspect results in Playrunner Cloud.

Search Japanese corporations and verify invoice numbers using official National Tax Agency data.

Japanese holiday and business-day calculations using official Japan Cabinet Office data.

Search Japanese product recalls by keyword and category using public Consumer Affairs Agency data.

52Trust score 52 of 100, Fair

Exact utilities for agents: time zones, date math, business days, calculator, units, validation.