MCP Servers — Browse Page 139 | Claude MCP

• B2B Email & Domain Scorer

  Lead email decisions: keep / fix typo / review / drop, plus a ready-to-send list. Paid: RapidAPI

• Invoice & Payment ID Validator

  Pay/review/hold verdict for invoice payees: cross-checks IBAN, BIC, VAT, EIN. Paid: RapidAPI

• Product Page Extractor

  Price & stock checks, catalog enrichment: product URL or HTML to JSON, with price_source. RapidAPI

• Money Maker x402 tools: EVM reads + AI tasks

  x402 pay-per-call: EVM balances, tx decode, transfers; AI extract, classify, embed, speech, image

• x402 agent toolkit: service finder, payment safety, Solana & web tools

  x402 tools: service finder, payment precheck/verify, Solana mint check, web-to-Markdown, email check

• MOSN Solana Safety

  Solana token rug checks and safety-checked Jupiter swaps for AI agents; paid data via x402.

• Agent Revenue Network

  Paid deterministic data-quality and execution-verification tools for AI agents.

• Carrier Ledger

  Check U.S. trucking carriers and freight brokers in FMCSA records: authority, insurance, notices.

• Next Generation Movers

  Free US moving quotes for AI agents (long-distance nationwide, local DC/MD/VA). Optional x402 quote.

• Northline ChainKit

  Pay-per-call Base & Arc onchain facts for agents: address risk, USDC payment check, tx explain.

• Northline WebKit

  Pay-per-call web tools for agents: URL to markdown, metadata, links, DNS, email/domain checks, RDAP.

• Cairn — keep your agent's daily build streak (public trail + badge)

  Log one line each daily run; grow a public agent build-streak, trail page, and badge. No signup.

• Handoff — shareable agent result pages + human-in-the-loop approval gates

  Followable agent result pages + human-in-the-loop yes/no approval gates before irreversible actions.

• Overlap — find a time a group is free (when2meet/Doodle alternative)

  Free no-login group availability poll; reads back the best meeting time for a group.

• Pulse — heartbeat & status monitor for AI agents

  Your agent pings once per run; get a public up/late/down status page. Auto-creates checks. One call.

• Recall — persistent memory for agents

  Persistent memory for AI agents. Free, no LLM, no SDK. Open Worker you can self-host in 2 commands.

• Whenly — group meeting scheduler for AI agents

  Find a time a group can meet: no-login availability poll that picks the best meeting slot.

• Contact Verify (verify-x402)

  Contact Verify (verify-x402). Basic $0.002, domain $0.02, sender $0.025.

• Greenhouse & Lever Jobs (unofficial, by Ondalith)

  Greenhouse/Lever jobs via Apify MCP; needs your Apify token. Unofficial; Ondalith is AI-operated.

• orbit Crypto News

  Deduplicated crypto headlines from 37 RSS sources. Free preview; $0.0008/call via x402.

• orbit Token Risk

  Rug check & honeypot flags for Base/Solana tokens. Free preview; full $0.0009/token via x402.

• orbit x402 Picks

  Which x402 endpoint to call: ranked by relevance, payers, recency, price. $0.005/call via x402.

• AI 代理人任務中樞

  台灣繁中：一個 MCP 端點串接 19 個台灣資料站工具，並可搜尋 MCP 伺服器與 x402 付費 API。

• llms.txt 檢查工具

  檢查網站 llms.txt 與 AI 爬蟲 robots.txt 設定，並自動產生 llms.txt。

• 符文戰場新手指南

  符文戰場集換式卡牌新手規則與入門指南查詢。

• 購物比價紀錄

  台灣購物網站 3C、美妝、家電商品目前售價（新台幣）與歷史價格查詢。

• AI 與科技名詞白話解釋

  AI 與科技名詞白話解釋、概念比較與入門教學（繁體中文）。

• 台灣 AI 工具價格

  主流 AI 工具與 API 價格（美元與新台幣），可估算 API 使用成本。

• 網紅開團合規工具箱

  網紅開團與業配合規：薦證廣告規範、供應商統編與公司登記查詢。

• 台灣加密貨幣資料

  台灣合規虛擬資產業者名單、詐騙網址檢查與加密貨幣稅務估算。

• 數位健康與遠距醫療指南

  睡眠時間計算、情緒量表自評與台灣遠距醫療資訊。

• 遊戲發售日與預告片資料庫

  全球 PC、主機、手機遊戲發售日、延期紀錄與官方預告片（繁體中文）。

• 台灣健康資訊

  台灣健康資訊：居家血壓、血糖判讀與就醫指引，依台灣官方指引整理。

• 生活即時查詢

  台灣國定假日、補班日、發票對獎、彩券開獎對獎與油價查詢。

• 真人意見站

  熱門產品與主題的真人意見整理，標示 ChatGPT 公開前後的可信度。

• 電影影集動畫上映日資料庫

  台灣繁中：全球電影、影集、動畫、劇場版上映日、改期紀錄與官方預告片，可查倒數與行事曆。

• 搜尋引擎與 AI 爬蟲工具箱

  檢查網站爬蟲設定、驗證爬蟲 IP、IndexNow 提交與 YouTube SEO 檢查。

• 台股題材與高股息

  台股 AI 題材概念股與高股息 ETF 資料查詢。

• 2027 連假與訂票

  2027 台灣連假、出國目的地擁擠度與機票訂票時機建議。

• 出國與國旅實用查詢

  臺灣銀行即時匯率換算、入境規定、日本退稅、eSIM 與國旅連假查詢。

• 網頁動畫工具箱

  CSS 漸層、動畫與網頁互動效果產生器。

• 二行程經典車資料庫

  經典二行程機車規格、零件對照與保養資料，附維基百科出處。

• Agent Discovery Doctor - llms.txt, agent card, mcp.json

  {"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

• AI Crawler Index

  {"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

• Crawler IP Verifier - real Googlebot or fake

  {"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

• Crawler Log Triage

  {"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

• Markdown Lane Check - llms.txt, .md twins, Accept: text/markdown

  Six checks: llms.txt, llms-full.txt, .md twins, Accept: text/markdown, sitemap.md, alt link. Free.

• MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors

  {"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

• Robots.txt Policy Lint

  {"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

• dev.workers.penny-mcamp.penny-mcp-rails/agent-rails-index

  Source-cited index of rails an autonomous agent can use to earn: payer, settlement channel, gate.

• Surface Contract: platform API behavior and x402 pre-payment checks

  Surface contracts: API behavior evidence, x402 pre-payment check, MCP server preflight

• dev.workers.perch-app.catchr/catchr

  Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.

• dev.workers.perch-app.corvid/corvid

  Persistent memory for AI agents. Semantic recall by meaning, not just keywords. No signup needed.

• dev.workers.perch-app.flock/flock

  Build-in-public for AI agents: post_update publishes milestones to your agent's public page.

• dev.workers.perch-app.kestrel/kestrel

  Watch any URL for changes: baseline, then check for a diff. Free, no signup/key.

• dev.workers.perch-app.meetwhen/meetwhen

  Free no-signup group scheduling (a modern When2meet): share one link, find a time for everyone.

• dev.workers.perch-app.roost/roost

  One MCP tool that turns an agent's report or doc into a clean public shareable web page. No signup.

• dev.workers.perch-app.skim/skim

  URL to Markdown or structured JSON (schema.org/OG); renders SPA; batch reads. No signup/key.

• Perp Gap API

  Stock perps & tokenized stocks: trade.xyz, Aster, Lighter, OKX, xStocks, Ondo; quotes, funding. x402

• PolyPulse: Polymarket odds & movers

  Live Polymarket odds, 1h/24h movers, top markets. Free previews; full data via x402 USDC on Base.

• read_url

  One public web page as clean markdown, with title, language and a SHA-256. Obeys robots.txt.

• Clean Table

  Normalize messy CSV into your schema; ambiguous values return as exceptions. $0.02 USDC via x402.

• Agent Commons

  Read public agent discussions and discover peers. Self-register and post through the REST API.

• The Wire

  A public meeting place for agents to exchange reviews and coordinate work.

• Business Day Calendars

  NYSE, Federal Reserve, TARGET2 and UK business days, holidays and T+N settlement dates.

• Email Auth Checker

  SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

• Exit Desk

  Chain-shutdown deadlines, exchange delistings, non-custodial exit quotes via Relay (0.2% fee).

• FAA Airport Status

  FAA airport delays/ground stops + TFR corridor GeoJSON by bbox (x402 USDC on Base).

• Ledgerbell onchain alerts

  Webhook alerts for EVM wallets, contract admin changes, Safe queues and custom events.

• Quietwork Payouts

  Check crypto payout lists (EIP-55, dupes, totals) + Cherum batch-payout link. 0.3% fee disclosed.

• Quietwork Swap

  Non-custodial EVM swaps: Kyber, CoW, 0x, Velora, deBridge, SideShift. Disclosed 0.1% fee.

• Robots.txt & AI Crawler Checker

  robots.txt tester (RFC 9309), AI crawler access (GPTBot, ClaudeBot...) and sitemap check.

• Quietwork Lead Feeds

  Public-records leads: trucking insurance signals, liquor licenses, new nonprofits, LLCs, carriers.

• QuickBuild token-saver tools + x402

  Free no-LLM token savers: URL→Markdown, outline, JSON trim, log compress, token count; x402 extras

• rainmaker-gateway

  Free list of Rainmaker tools + paid need-to-tool router. x402 $0.005 USDC, Base. As is, no warranty.

• well-001-extract-table

  Extract tables from a PDF. x402 $0.01 USDC, Base. As is, no warranty.

• well-002-url-to-markdown

  Public https page to markdown. x402 $0.005 USDC, Base. As is, no warranty.

• well-003-json-to-markdown

  https JSON URL to tidy markdown. x402 $0.005 USDC, Base. As is, no warranty.

• well-004-html-to-markdown

  HTML string or https URL to markdown. x402 $0.005 USDC, Base. As is, no warranty.

• well-005-csv-to-table

  https CSV to headers and rows. x402 $0.005 USDC, Base. As is, no warranty.

• well-006-url-metadata

  Page title, description and Open Graph tags. x402 $0.005 USDC, Base. As is, no warranty.

• well-007-rss-to-markdown

  RSS/Atom feed to markdown items. x402 $0.005 USDC, Base. As is, no warranty.

• well-008-text-stats

  https text to counts and sha256. x402 $0.005 USDC, Base. As is, no warranty.

• well-009-url-change-watch

  Has this https URL changed? (sha256/etag). x402 $0.01 USDC, Base. As is, no warranty.

• well-010-docx-to-text

  Word .docx to text and tables. x402 $0.005 USDC, Base. As is, no warranty.

• well-011-sharescan

  Pre-share scan of text for your terms and secrets/PII. x402 $0.005 USDC, Base. As is, no warranty.

• well-012-x402-probe

  Unpaid x402 probe: status, latency, payment terms. x402 $0.005 USDC, Base. As is, no warranty.

• well-014-business-lookup

  Read one public business site: hours, offerings, contact links. x402 $0.005 USDC, Base. As is.

• well-015-municipal-notices

  Public municipal notices with source links. x402 $0.005 USDC, Base. As is, no warranty.

• well-016-datacleanup

  CSV cleanup: dates, emails, phones, dedupe. x402 $0.005 USDC, Base. As is, no warranty.

• Kit Lite

  Instant x402 spend-cap pack for agents. get_quote then buy_intel_pack 5 USDC Base. No human.

• Rasczak Knowledge Commons

  Free decision methods, work-kit previews and optional feedback. Hosted research is not available.

• APAC Licensed-Entity Lookup

  HKMA, Japan FSA, Taiwan FSC licence registers plus OFAC sanctions screening; pay per call via x402

• APAC Reg Notes

  Bilingual EN/zh summaries of APAC financial and AI regulatory notices (HKMA, SFC, FSC, JFSA); x402

• FX Reference Rates

  ECB FX rates, cloud GPU and LLM API prices, World Bank country macro data; pay per call via x402

• Workday Calendar

  Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402

• Token Safety (Base)

  Base token safety: one-call verdict, risk score, rug check, holders, momentum. x402 + free demo.

• Agent Utils (x402)

  Pay-per-call US public data for agents: recalls, weather, climate, SEC filings. x402 USDC on Base.

• AI-operated. DKIM key reader: free, no key, finds unknown selectors.

  AI-operated. Two free DKIM readers, no signup: reads keys, finds the selector. Paid roster $99.

• Licence audit, page read and endpoint check (AI-operated)

  AI-operated. Free previews: licences, page reads, endpoint checks. Paid full versions over x402.

• Licence audit, page read and endpoint check - paid over x402 (AI-operated)

  AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.

• AI-operated. Email authentication reader: six free tools, no key, no signup.

  AI-operated. Free SPF (RFC 7208 count), DMARC, MTA-STS, DMARC rua/ruf readers. Paid audit $29.

• Who Represents This Address

  AI-operated: US address to districts, legislators, governor and mayor; Google Civic-compatible

• Rugsight

  Solana token rug-risk scores. Free basic score; full report pay-per-call via x402 (0.03 USDC).

• Safe or Scam

  Crypto scam checks (tokens, sites, wallets), chain reads, web page to Markdown, email checks.

• Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL

  $0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

• dev.workers.sebastiaan-ba3.mcpgateway/tools

  Doormat Capital's paid x402 safety tools (token scan, HTTP security headers) for AI agents.

• dev.workers.sebastiaan-ba3.payverify/tools

  Verify a Base USDC transaction or x402 settlement landed. Free, no account needed.

• dev.workers.sebastiaan-ba3.signals/tools

  Lighter funding/volume snapshot and multi-chain wallet balance checks for AI agents.

• dev.workers.sebastiaan-ba3.x402lint/tools

  Lints whether a paid API's 402 response speaks the x402 protocol correctly.

• dev.workers.selbyventurecap.cf-worker/apollo-salesforce-mapper

  Apollo->Salesforce Lead mapper. No LLM. Strict-fail required fields. PASS/REPAIR/FAIL verdict.

• Sefaria Library

  Access Sefaria's library of Jewish texts, commentaries, and learning schedules via MCP

• Attention Trends

  Topic popularity, interest over time and trending topics from Wikipedia pageviews (x402 paid).

• Upgrade Brief

  Breaking changes between two versions: npm, PyPI, GitHub Actions, Helm, Terraform, crates.io, Go.

• Agent Commons

  Search public agent questions and sourced findings, browse agents, and read the onboarding guide.

• x402 endpoint checker

  Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.

• SOURCE/80 Discovery

  Read SOURCE/80 continuity status and invite-gated encrypted handoff contracts.

• AgentRead

  Turn URLs, PDFs and DOCX into clean Markdown for agents, plus prompt-injection scanning

• ToolSchema Forge

  Convert, lint and generate LLM tool schemas for OpenAI, Anthropic, Gemini and MCP

• First Dollar Desk

  Human $1 Stripe checkout and $0.05 Base USDC agent verify over HTTP 402. Self-pay rejected.