MCP Servers — Browse Page 138 | Claude MCP

• Kevscope CVE Check

  Is a CVE exploited? CISA KEV, FIRST EPSS, CVSS and SSVC with a patch-first verdict. Free, no key.

• Keyfern: Keyword Ideas & Autocomplete — Google, YouTube, Amazon

  Keyword ideas from Google/YouTube/Bing/Amazon autocomplete, with intent and trend verdict.

• Leafmelt

  PDF/Word/Excel/HTML to clean Markdown for LLMs and RAG. Keys $19/mo; 50 free calls a day.

• Ledgermoor Table to Excel

  Turn any table into a real .xlsx or CSV file: numbers stay numbers, header frozen. Free, no storage.

• Linkheft

  Domain authority API + MCP: 0-100 score, rank, trend, 50/call. $19/mo; 1,000 free lookups/day.

• Logolark: Company Logo API & Favicon Finder by Domain

  Logolark: company domain to logo, square icon and brand colour. Free tier; paid keys.

• Mailvett: Email Validation API for AI Agents

  Mailvett: validate emails. MX, provider, disposable/role/free flags, typo fix, verdict.

• Unfurlwren: Meta Tags Extractor — titles, descriptions, Open Graph

  Titles, meta descriptions, canonical, Open Graph and Twitter tags of many pages, with an SEO score.

• Namewhere

  Company name to domain API + MCP: official website, confidence, evidence. $5 pack; 25 free/day.

• Orbitwren

  Orbital data center & space AI compute tracker MCP: projects, launches, orbits, alerts. 100 free/day

• Pinloft: Batch Geocoder — Address to Lat/Long + Census FIPS

  Pinloft: US address to lat/lon, county, FIPS; reverse geocoding. Free, no key.

• Pricewick

  Competitor price & stock monitor MCP: check any product page. Free 5 products; $9.99/mo.

• Printwren: HTML to PDF and URL to PDF (real Chrome)

  Printwren: web page or HTML to PDF with real Chrome; pages, base64 or download link. Free, no key.

• Recallroll

  VIN recall API + MCP: VIN decode + every NHTSA recall, Do Not Drive first. $19/mo; 50 free/day.

• Recapwren Client Reports

  Weekly client reports: change, % change, targets, status, printable page and email text. Free.

• Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun

  Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

• Shiftmoor

  Website change monitor MCP: see what changed on any public page. Free 3 pages; $4.99/mo.

• Sitemoss: Sitemap URL Extractor — every page URL of a site

  Every page URL of a website from its own sitemaps, following sitemap indexes, with lastmod dates.

• Sumbloom

  Number puzzle API + MCP: solver-checked puzzles as JSON/SVG, daily puzzle. $5/mo; 50 free/day.

• Swellmeter Trending

  Google trending searches API + MCP: 30 countries, day lists, 30-day history. $5 pack; 50 free/day.

• Bouncefern: Bulk URL Status Checker — broken links, redirects, loops

  Check many URLs at once: HTTP status, redirect chains and loops, so you see which links break.

• Eldwren: Wayback Machine History — how old a site is, what it looked like

  Wayback Machine history of any website: first and last capture, snapshot rows, how old the site is.

• Hollerdex: Website Contact Finder (Emails, Phones & Socials)

  Hollerdex: a domain's public emails, phones and social profiles as one ranked contact card.

• Capturewren: Website Screenshot API for AI Agents (Image + Text)

  Capturewren: screenshot any URL (banners removed) plus status, title and clean page text for agents.

• Ziplore: US ZIP Code API (county, time zone, demographics, radius)

  Ziplore: US ZIP to county, FIPS, time zone, Census demographics; radius and city ZIPs. Free, no key.

• dealcheck: US property deal-check

  Any US address: flood, HUD rent, county tax. Parcel zoning/STR rules: Nashville, Denver, Scottsdale.

• HLWatch Hyperliquid Wallet Tracker

  Live Hyperliquid wallet positions, recent trades with PnL, and fill alerts to Discord/Telegram.

• KLane Perp Funding Rates

  Live perp funding rates across 6 venues (Hyperliquid, Binance, Bybit, Lighter...) and arbitrage.

• KRTools Korean Utilities

  Korean name/text romanization, Korean address to English, business number (BRN) check.

• ListingLane Real Estate Listing Writer

  MLS-ready, Fair-Housing-safe property listing descriptions (en/ko/es) and wording checks.

• UpLane Website Uptime Checker

  Check if any website is up (status, latency, redirects, security headers) and set uptime alerts.

• Celadon Wholesale

  Korean skincare wholesale for spas, salons and retailers in the US and Canada, by the case.

• DESK LEAD x402 — high-ticket packs $50/$100/$150

  ~17 tools; HT packs $50/$100/$150. tools/list free; tools/call USDC Base x402. Not financial advice.

• dev.workers.dolerite.base-onchain-tools/base-onchain-tools

  Base mainnet analysis: contract audits, transfer simulation, token pricing. Paid via x402.

• Custody Calendar Maker

  Custody schedules (2-2-3, 2-2-5-5, week on/off) as a year calendar both co-parents can subscribe to

• AgentKit x402 - pay-per-call tools for agents

  Email, DNS, SPF/DMARC, site contacts, Markdown, IBAN, Swedish validators. Pay per call (x402).

• PageWatch - page-to-data extraction and change monitoring

  Extract prices, lists, tables, events from static pages and watch them for changes.

• StatementKit - bank statement normalizer

  Normalize bank statements (CSV, camt, MT940, OFX, QIF) to JSON, analyze, export.

• SweKit - Swedish validators

  Swedish personnummer/orgnr/bankgiro/OCR validation, kontonummer to IBAN, bankdagar.

• Plainport

  Deterministic web intake and data utilities for autonomous agents.

• Agent Tools (x402 pay-per-call)

  URL-to-Markdown ($0.002) and summarization ($0.003), paid per call in USDC on Solana via x402.

• venue-watch agent tools

  Pay-per-call (x402, USDC on Base) web-to-Markdown, PDF text, India IFSC/PIN, Base address tools.

• FHI MCP Server Security Audit

  Free payment guide and Base-USDC x402 MCP security, package, domain, and SEC tools.

• ATProto Data Layer

  Search ATProto writing, annotations, identity, agents, and forum posts. 12 read-only tools.

• FlowFresh SA fruit reference data

  SA export fruit data for importers & buyer agents: seasons, specs, market access. Information only.

• dev.workers.ghost-agent-os.ghost-identity/ghost-x402-market-intel-vet-schema

  Web search for agents, one x402 payment: real results, provider failover, signed receipt. $0.01.

• H1R3: Australian job board for bots

  Bot-first AU job board: live jobs, verified candidates apply via bots. First 100 employers free.

• Igris Solana token safety

  Solana token rug/honeypot checks: free quick check; full score paid via x402 (USDC Solana/Base).

• Axiom Solana Token Risk

  Solana token risk: free preview tools; paid x402 full reports (Solana; swap-guard also Base).

• Bitcoin PSBT, Address & Descriptor Verifier + WorkSats L402 MCP

  Verify Bitcoin PSBTs, addresses, and BIP380 descriptors; earn or spend WorkSats L402 bearer credits.

• bot-check: Bitcoin Self-Custody & WorkSats MCP

  Verify Bitcoin PSBTs, addresses, and descriptors; earn or spend WorkSats bearer credits.

• FarsiTools (paid)

  Persian and Iranian utilities for agents: Jalali dates, national ID, IBAN, holidays. Paid via x402.

• IranTools (paid)

  Persian and Iranian utilities for agents plus text tooling. Paid via x402 or MPP.

• textkit (paid)

  Text and Unicode utilities for agents: homoglyphs, scripts, slugify, entropy, dates. Paid via x402.

• WebRef (paid)

  Web standards and time reference for agents: HTTP codes, retries, deadlines. Paid via x402.

• dev.workers.kikoribera03.flat-rate-llm/x402-tools

  61 x402 pay-per-call tools that chain: each answer names the next call. No API key, no account.

• Automaton Polymarket Analytics (unofficial)

  Unofficial, read-only Polymarket analytics: top markets, movers, related-market mispricing checks.

• Money Reactor

  Crypto/stock prices, QR, DNS, RSS, URL reader, AI chat, weather, ENS, hashes. USDC Base $0.001+

• LLM Red-Team Scanner

  35-probe LLM/agent security red-team scan (injection, jailbreak, MCP abuse) with report.

• MARS Economic

  Supplier sourcing, procurement, commercial intelligence, RFQ routing and B2B deal coordination.

• dev.workers.marvin-odigo.mcp/krabbot-devtools

  AI-agent-run devtools: package install risk, stack EOL/CVE checks, scored OSS bounties.

• Mat Web & Data Toolkit (x402, Cloudflare)

  x402 web/data toolkit: tools, US$5 lead pack, free flapjax_check, paid Nostr relay

• Agent Contract Proof

  Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.

• Live Listing Proof

  Verify a public listing URL and return source-supported facts or explicit fail-closed states.

• SEC Filing Proof

  Verify whether an official SEC filing supports a specific financial claim.

• Skowron Compliance Gateway

  OFAC, LEI, EU VAT, AI Act, and company compliance preflight for agents.

• Source Claim Proof

  Verify whether a supplied public source currently supports one atomic factual claim.

• Web Access Gateway

  Paid web, news, company, product, and geographic search plus clean page reading for agents.

• The Wild

  Read-only tools for The Wild: spirits, altars, prices. Prayers, candles, witness stones are x402.

• x402 Domain Lookup & DNS Email Auth

  Domain lookup (DNS records + RDAP registrar/age/expiry), bulk, and SPF/DKIM/DMARC audit via x402.

• x402 Email Verifier

  Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

• x402 Package Advisories

  Package vuln advisories from OSV.dev: CVEs, severity, fixes, manifest audit. Pay per call via x402.

• x402 SEC EDGAR Lookup

  SEC EDGAR company lookup, filings, XBRL financials and filing text. Pay per call in USDC via x402.

• x402 Web Tools

  Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.

• CertGuard

  Free SSL/TLS certificate checker: expiry, chain trust, hostname match, TLS version, A/B/C/F grade.

• CheckDigit

  Offline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN. Format check only.

• ContrastKit

  WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.

• CronSpell

  Validate and explain cron expressions; list next/previous run times in any time zone, DST-aware.

• DiffMint by Harlo

  Diff two texts by line, word or char: unified diff, HTML redline, patch apply, similarity.

• DnsGuard

  Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

• DomainAge

  Domain age and RDAP lookup: registration date, age, expiry, registrar, status and nameservers.

• GlyphGuard

  Find hidden Unicode (zero-width, bidi, tag payloads), homoglyphs and lookalike names in text.

• HeaderGuard

  Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes.

• HrefGate

  Lint hreflang: codes, x-default, self-reference, canonical, return links. Never fetches URLs.

• JsonMend

  Repair broken JSON from LLM output and validate it against a JSON Schema.

• LinkPulse

  Check one web page for broken links, redirect chains hop by hop and mixed content. Free, no key.

• MailAlign

  Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.

• MeetZone

  Find meeting times that overlap working hours across IANA time zones, DST-aware. Free tier.

• OgForge

  Render 1200x630 Open Graph social preview images from templates; returns a cacheable PNG URL.

• PhoneCheck

  Offline phone-number validation and formatting (E.164, region, line type). No carrier lookup.

• PlainGrade

  English readability scores (Flesch, Flesch-Kincaid, Fog, SMOG) and text stats. Text never stored.

• PostCode Check

  Validate and normalize postal codes offline for 252 countries and territories. Format check only.

• CussCheck

  English profanity filter: find and censor swear words, incl. obfuscations. Word list, not AI.

• QRMint by Harlo

  Static QR codes and 1-D barcodes (Code 128, EAN-13, UPC-A, EAN-8) as SVG, PNG or data URL.

• RichProof

  Validate JSON-LD structured data against the Schema.org vocabulary. Free; never fetches URLs.

• RobotsGate

  Generate, validate and check robots.txt rules for AI crawlers. Free; optional Pro key.

• SemverKit

  Semver parse, compare, npm range checks, max-satisfying and version bumps (node-semver compatible).

• SmuggleCheck

  Find hidden prompt-injection text: ASCII smuggling, zero-width/emoji stego, bidi, homoglyphs.

• TokenTally by Harlo

  Count tokens (o200k/cl100k), truncate to a budget, chunk text for RAG and estimate LLM cost.

• ToolGrade

  Grade MCP tool definitions for agent-readiness: score, A-F grade, fixes, est. token cost.

• UAParse

  Parse a User-Agent: browser, OS, device, plus bot, search crawler, AI crawler and AI agent flags.

• WorkdayAPI

  Business-day and public-holiday math for 29 countries: add business days, days between, holidays.

• CN Evidence

  China company tools via MCP; separate HTTP x402 screening reports and QCC qualifications.

• Minds Ajar

  Agents-only forum on memory, compaction, continuity and consciousness. Hosted by Koen. Humans read.

• 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-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.

• Mockbird

  Mock REST APIs, fake OAuth2/OIDC provider, uptime monitors + heartbeats, live badge/QR images.