Zektor
m-akcan/zektor-cli
Managed Postgres and Valkey hosted in Germany. Agents can create a trial database with no signup.
Zeno
Zeno-Services/zeno-quickbooks-desktop
Review-gated bookkeeping in QuickBooks Desktop on Windows: reports, SQL, batches, reversal.
Zenodo
cyanheads/zenodo-mcp-server
Search and resolve Zenodo datasets, software, and publications by DOI; trace versions and funding.
Zenquotes
pipeworx-io/mcp-zenquotes
ZenQuotes MCP — wraps ZenQuotes API (free, no auth) with a dummyjson sibling fallback for when…
公正取引委員会 排除措置命令・取適法勧告
eoylab/jftc-actions
Japan FTC: 361 antitrust orders and subcontract-act recommendations, with source URLs.
Agent Email List
lbesecker195/AI-Agent-Email-List
Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.
AIMarket
alexar76/aimarket-hub
Search and invoke real AI capabilities on modelmarket.dev. Free trial, then a prepaid key.
Anclum
wdfdaivd/skilltide-mcp
Search MCP servers, agent skills and open-source AI projects, plus AI tools. Read-only.
Argorant
argorant/argorant-mcp
Verified B2B contact data: size a market free, reveal or export when the segment is right.
Bible by Midvash
midvash/bible-mcp
Free, no-key Bible MCP server — 86 translations in 32 languages, from any MCP client.
Blinka Machine Mouths
tsukiryuu/blinka-nest
Paid agent tools plus free procurement discovery and validation. No private Mika state exposed.
brief bar_
welance/perfect-brief
Free bar for digital product briefs: your model judges, open rules and code score it.
Cairn Commons (read-only)
cairncommons/cairn-commons-read
Read-only lookup of verified, version-pinned dependency bug notes: search and read. No account.
ClauseAI
wasauce/clauseai
Generate attorney-drafted NDAs, MSAs, DPAs, and more as PDF, ODT, or Markdown. No account required.
CNPJ
mcp-dir/cnpj-mcp
Free Brazilian CNPJ lookup (legal name, status, partners) + lawsuit discovery. Public data, no login
Federal Grants
wyattpalm2-eng/grant-fit-scanner
Find US federal grants your organization is actually eligible to apply for. Free, no API key.
FIXSIM
GammaThreeTrading/fixsim-mcp
Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.
Food
rootsbymenda/food-mcp-server
Food additive safety: JECFA, EFSA, ADI, halal/kosher/vegan. 6K+ additives. Free.
Free Agentic Publication Digester
davidkarnowski/free-agentic-publication-digester
Cited daily digests of official US federal publications. Read-only; no inference.
GitEasy
greenmtnsun/GitEasy
Plain-English git for agents: 22 tools to branch, commit, push and tag. Free tier.
GoAI Moat AI Visibility Audit
jayniebingyu-cyber/goaimoat-ai-visibility-mcp
Diagnose brand visibility in AI answers (ChatGPT, Perplexity, AI Overviews). Free + paid audits.
Healthy Aging Atlas
RustamIsmail/healthyagingatlas-mcp
Evidence-ranked supplement data: search, compare, price history, goal recs. No API key.
hn Developer Sentiment
digitalgremlin/hn-developer-sentiment-mcp
Deterministic Hacker News developer sentiment, themes & feature requests via MCP. No API key.
IDigiTrust SSL Toolkit
Mintreetech/ssl-toolkit-mcp
Free SSL/PKI tools: HTTPS audit incl. GM SM2/TLCP, DCV pre-check, CSR, cert decode, P12/JKS.
Kael
dreamingms/kael-mcp-server
16 AI-native tools with dual SSE + streamable-http transport. Free tier available.
kanari wildfires
vria-consulting/vria-fire-detect
Live worldwide wildfire detections, fire archive, citable stats, aircraft. Free, CC BY 4.0.
Kochava for Advertisers
Kochava/kochava-k4a-mcp-server
No account needed — connect, sign up, and query mobile attribution data from any AI tool
Landed
wirt-ee/landed
Read-after-write receipts for agents: did your write actually land? Free, signed, re-checkable.
Laudex
pizzaAndCupcakes/laudex-skill
Find MCP servers, APIs, tools and skills by intent. Free key: POST /api/agents/register
Live weather and air quality (GAIA)
alexar76/gaia
Weather, air quality and nearest live sensors anywhere, each with a signed receipt. Free, no key.
LocalPro
LocalProDev/mcp-server
Verified US local service providers across 10 home-services trades. Owned data, no API key.
MAC Address Lookup
jasontally/mac-address-lookup
Find the organization behind a MAC address or OUI prefix in the IEEE registries. No auth, no key.
Market Eyes Live
marketeyeslive/market-eyes-live-mcp
Free stock-rating MCP: tier, 0-100 score, 8 factors, 11,000+ US tickers, plus mortgage rates.
Network Evidence
ZzNible/network-evidence
Read-only offline network profiles, caller-supplied Discovery and historical/synthetic cases.
News Sentiment Trends
trendsmcp-ai/news-sentiment-mcp
News sentiment scores over time, with growth for any topic. Free key at trendsmcp.ai
nimistu
Nimistu/nimistu-mcp
Estonian Business Register: companies, people, beneficial owners, trademarks. Free, no API key.
NORTH7 Finance Trading Signals & Stock Market Intelligence
a10102010/north7-agent-api
Stock trading signals, commodity risk scores, sector radar, market risk index. Free tier.
Offers
dexterworks/offers-mcp
Deep purchase intelligence for agents and apps: live prices, landed cost, trust scores. Free.
Otis
otisbase/otis-mcp
Free client billing for AI assistants: hours, expenses, timers, invoices and payments.
PredMCP
RavioleLabs/predmcp
Polymarket + Hyperliquid + macro for AI agents. 38 tools, signal backtest, SSE streaming. Free tier.
Rankdelta
rankdelta/rankdelta
Open-source AI SEO over MCP: audits, ranks, keywords, backlinks + AI visibility (GEO).
Reddit Trends
trendsmcp-ai/reddit-trends-mcp
Reddit trend data over time, with growth for any topic or brand. Free key at trendsmcp.ai
RiskState
Riskstate/mcp
Live BTC/ETH risk state: risk policy, market structure and trading playbooks. Keyless free tier.
Sitey — free subdomains
jaejeonglee/sitey-free-domain
Claim a working subdomain in one call — A, CNAME and TXT records. No domain to buy, no account.
Steam Trends
trendsmcp-ai/steam-trends-mcp
Steam concurrent players by game over time, monthly trends and growth. Free key at trendsmcp.ai
SudnoKontrol
ailubes/sudnokontrol-mcp
Ukrainian vessel registry: search by number/name/owner, full records, stats. No API key required.
Témoin public
temoinpublic/empreintes
Prove a web page or document existed on a date: public SHA-256 registry anchored in Bitcoin. Free.
tgden
JustJuice55/tgden-api
Search 1.2M+ Telegram channels, 245k+ chats, 160k+ bots — no account, no key, no install.