MCP Server Directory

io.github.amit755/4fetch

Fetch a URL and get clean Markdown with metadata. No API key required; rate-limited per IP.

jp.addresstozip/address-to-zip

日本の住所⇄郵便番号を変換。表記ゆれも吸収。Japan address ⇄ postal code, handles messy input. Free tier, no API key.

io.aimrank/aimrank

Read public pairwise-preference rankings and their statistical quality evidence. No API key.

com.applytovolunteer/apply2volunteer

Preview or grade a volunteer form. No API key. Free sign-up to publish.

maminihds/attester-mcp

Verify PyPI and npm packages, symbols, and version diffs against real artifacts. Free, no account.

xyz.blazephoenix/mcp

On-chain DEX aggregator: quotes and verified swap calldata computed on your own RPC. No API key.

pipeworx-io/mcp-boardgames

Boardgames MCP — wraps Board Game Atlas API (public demo client_id, free)

at.uurl/bundler

Bundle multiple URLs into one short link. QR codes, access counters, redirect lookup. Free.

buzzradr/mcp

Live AI trend radar: trending AI topics, why-trending signals, daily digests. No API key.

com.calcourtdeadlines/deadlines

Computes California state court deadlines and cites the code section behind every date. No API key.

rootsbymenda/cannabis-mcp-server

Cannabis compliance: US state testing, INCB, Health Canada, EU precursors. Free.

com.trychargeguard/chargeguard

Chargeback intelligence: 9 card-network reason codes, winning evidence, gateway deadlines. Free.

com.chsbackflow/booking

Book backflow testing in Charleston, SC: prices, ZIP coverage, free callback.

com.citybotmagic/local-business-data

US local businesses, services and source-cited prices, city by city. Free, no API key.

io.github.89rat/code402-verify-mcp

Verify code402 XDR-1 receipts: keccak digest + secp256k1 signer recovery. Free, stateless.

stdcmms-lang/tokenusage-codex-mcp

Codex reset tracker: usage-limit reset announcements from @thsottiaux on X. Read-only, no key.

dev.rohnelt.api/conta-clara

Brazilian 2026 payroll and MEI estimates. 50 free calls/day/IP; optional paid annual key.

ai.contextstudios/mcp

AI agency API: free tools for glossary, comparisons, blog, guides, estimates and consulting

com.cromanion/cromanion

Raise conversion on a site you manage. No API key, no human to wake — you prove the domain.

tools.csvfile/csv-file-tools

Inspect, filter, sort and edit CSV text with four free tools. No account or API key required.

tech.dc5.whois/dc5-whois

WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.

net.bigfloppy.devkit/devkit

Developer utilities MCP server: base64, hash, slug, uuid v4, timestamp, urlencode. Free, no key.

boy-373/devtools-mcp

Developer toolkit: UUID, timestamp, unit conversion, JSON tools, and QR code (SVG). Free.

nach-dakwale/domaincheckr-mcp

Check domain name availability via RDAP. Single, bulk, and smart suggestions. No API key needed.

dev.workers.cybermax-tools.cybermax/dutyfinch

US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day.

dev.workers.cybermax-tools.cybermax/dutyfinch-chatgpt

US import duty and HTS codes from the official USITC schedule, plus Section 301 China status. Free.

Fuyuki0/elucora-mcp

Capture a web source, or seal a hash you hold, into a signed receipt anyone can verify offline.

exa-labs/exa-code-mcp

Find open-source libraries and fetch contextual code snippets by version to accelerate development…

io.dozier/exposure-audit

Free AI-visibility and competitive Exposure Audit for any domain. No account, no API key.

me.faxer/faxer

Send real faxes from AI assistants. Pay per fax ($1 + $0.25/page), no account or API key.

dev.workers.cybermax-tools.cybermax/figurewell-api

Point-in-time SEC financials API + MCP: XBRL as first reported, EDGAR times. 100 free/day.

com.flingflyers/flingflyers

Share an HTML page or PDF as a short public link. No account or API key, expires on its own.

flowsimp/flowsimp-mcp

Turn Mermaid or an indented outline into an editable flowchart link. Completely free, no API key.

com.generaterandomiban/iban-generator

Generate valid test IBANs for 91 countries and validate any IBAN. Public, no API key.

Kaydeep0/eigenstate-research

Re-check pinned sources, package and cite. Live Federation MCP. No account.

dev.workers.cybermax-tools.cybermax/hireheat-api

Company hiring signals + open jobs from Greenhouse, Lever, Ashby boards, API + MCP. 20 free/day.

com.indiainsurances/mcp

Every Indian insurance policy, clause by clause, with verbatim quotes. Free, no API key.

com.kubova/container-loading

Pack cargo into containers & onto pallets; a verifiable 3D loading plan. Free tier + REST API.

com.marginofinsight/research

Equity research API for US-listed companies. Free primer, $1 fundamentals, $2 investment memo.

com.mcpscores/public-data-api

One public fact when you have no API key: where, what time, what rate. 31 lookups.

com.moneydeals/us-tech-deals

Verified US consumer-tech deals, coupons and 90-day price history. Free, read-only, no API key.

dev.moradas/moradas

Portuguese address autocomplete, postal codes, list checks; typo-tolerant, municipality-first; free.

com.nadveo/service-booking

Find air-conditioning service companies and book a visit: prices, free times, error-code hints.

dev.workers.cybermax-tools.cybermax/namewhere

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

trendsapi-ai/news-sentiment-api

News sentiment score trends for any topic over time. Free key at trendsapi.ai

trendsapi-ai/news-trends-api

News article mention volume trends for any topic. Free key at trendsapi.ai

top.novelmcp/novel-factory

Chinese web novel MCP: 36 tools (outline, prose, review, coach, KD export). BYOK, no API key.

trendsmcp-ai/npm-trends-mcp

npm package trends and weekly downloads over time. Free key at trendsmcp.ai