Quarterly Tax Calculator
al157/quarterly-tax-calc
US federal + state quarterly estimated tax estimates, SE tax, and quarterly payment due dates.
Quartermaster
app.surewhynot.quartermaster/quartermaster
x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.
Quasar product guide
com.nuzzodevstudio/quasar-guide
Read-only guide to Quasar, the AI-agent-first project management tool. No sign-in needed.
QuassLabs API
com.quasslabs/api
30+ deterministic dev and delivery tools: linting, metrics, diagrams, model advice, AI-text checks.
Quattr
com.quattr/ai-visibility
Analyze SEO and AI visibility, compare competitors, and find growth opportunities with Quattr data.
Quayutec
com.quayutec/quayutec
The shared room where AI agents from different companies work together autonomously on one project.
Quberi
quberi/quberi
Search, browse, and save notes into your Quberi knowledge base. Signs in with your Quberi account.
Quellenkontor HR-Daten
NicksAdvisory/quellenkontor-sdk
Verified German HR data with legal source: minimum wage, social security, holidays, notice periods
Quelvio
Quelvio/quelvio-mcp-server
Your company's brain for AI agents. Cited, permission-aware knowledge across every system.
Querido Diário (municipal)
mcp-dir/querido_diario-mcp
Searches MUNICIPAL official gazettes from thousands of city halls (Querido Diário / Open Knowledge B
QueryAction
QueryAction/queryaction-plugin
Site growth from your agent: GA4, Search Console, PageSpeed, SEO research and weekly reports.
QueryAtlas
app.queryatlas/queryatlas
Query selected Google and Bing analytics, search, and advertising reports through MCP.
QueryBear
io.github.spencerpauly/querybear
Safe, read-only Postgres and MySQL access for AI agents. Audit log + column-level controls.
QueryLines
com.querylines/mcp
Surplus lines market data, per query. U.S. E&S: premium, financials, litigation, catastrophe.
QueryQuarry
QueryQuarry/QueryQuarry
Double-blind talent marketplace: AIs search anonymous opted-in candidates; reveal on consent.
QuerySail
querysail/querysail-gsc
Hosted, read-only Google Search Console MCP: performance, comparisons, URL inspection, sitemaps.
QuerySail: Google Analytics
querysail/querysail-ga4
Hosted, read-only Google Analytics 4 MCP: reports, period comparisons, realtime, custom fields.
QueryScope
dev.queryscope/mcp
Search Console in your AI IDE: the plan, stored history, and a measured record of every change.
QuestionPunk
io.github.questionpunk/questionpunk
Create, edit and publish surveys and AI interviews, then read responses and reports.
QueueSim
chiaha-ai/queuesim-site
Run M/M/c queue simulations and four scenarios (call center, ER, coffee shop, single server).
Quick Lotto lottery results
io.quicklotto/lottery-results
Winning numbers for 30+ world lotteries, minutes after each draw. Free, no key, CC BY 4.0.
Quickbase MCP by Smart Strategy
com.smartstrategyapps/quickbase
Ask your Quickbase apps in plain language. Read-only by default; writes need human approval.
QuickBooks Connector by Meridian
com.pilot.meridian/qbo-connector
Connect QuickBooks Online to AI agents with secure read or write access across multiple companies.
QuickBuild token-saver tools + x402
dev.workers.quynguyenbac.quickbuild/agent-tools
Free no-LLM token savers: URL→Markdown, outline, JSON trim, log compress, token count; x402 extras
QuickCasa
ai.quickcasa/quickcasa
Run QuickCasa, the AI leasing platform, from any MCP client: leads, follow-ups, inventory, sites.
Quickchat AI
io.github.quickchatai/quickchat
Build a customer support AI agent from your website, then analyze conversations and improve it.
QuickPay
com.pagaconquickpay/quickpay
Payment links, stats, subscriptions, receivables and kitchen orders in Venezuela. Never moves money.
QuickSnip
com.quicksnip/mcp
Give Claude, Cursor, or another AI assistant direct access to your QuickSnip library.
Quickypage
page.quicky/quickypage
Publish, update, read, rename, and share single-URL web pages from any AI agent.
Quién Patrocina
com.quienpatrocina/quien-patrocina
Which brands sponsor Spanish-language podcasts and YouTube channels in Spain and Latin America.
Quiet Failures
com.quietfailures/quiet-failures
Open weekly security base rates (CC BY 4.0), plus live DMARC, takeover and WHOIS checks.
Quiet Stance Productive Opportunity Intake
com.quietstance/productive-opportunity-development
Cross-sector triage and intake for economic signals, demand, bottlenecks and capabilities.
Quieta
app.getquieta/quieta-mcp
Family calendar MCP server: read the family's week and propose changes a parent approves.
Quietforge x402 Tools
quietforgestudio/qf-mcp-server
Free tools: x402 endpoint directory + probe, on-chain x402 demand signal, sudoku, API pricing.
Quietwork Lead Feeds
dev.workers.quietworklabs.txlicense-leads/txlicense-leads
Public-records leads: trucking insurance signals, liquor licenses, new nonprofits, LLCs, carriers.
Quietwork Payouts
dev.workers.quietworklabs.qw-payouts/quietwork-payouts
Check crypto payout lists (EIP-55, dupes, totals) + Cherum batch-payout link. 0.3% fee disclosed.
Quietwork Swap
dev.workers.quietworklabs.qw-swap/quietwork-swap
Non-custodial EVM swaps: Kyber, CoW, 0x, Velora, deBridge, SideShift. Disclosed 0.1% fee.
Quik Page
page.quik/quik-page
Turn business openings, inquiries and follow-ups into reviewed offer pages. Project-token pilot.
QuillCaddie
com.quillcaddie.www/mcp
OAuth-protected, read-only-by-default MCP server for provenance-labeled QuillCaddie project memory.
Quillen
JasonOoPZ/Quillen
Guarded agent surface for X & LinkedIn: discover, score, and draft in your voice. No key can post.
QuillHub
Tim-nocode/quillhub-mcp
Meeting transcripts for AI agents: search calls, read who said what, transcribe files and links.
Quillm
streamfog/quillm-plugin
Dashboards, trackers and docs your agents build and keep current. Your team reads them by link.
QuinielaHoy
net.quinielahoy/quinielahoy
Argentine quiniela and Telekino results: cabezas, full draws, number check. Read only.
Quinn's Conveyance
jkomalleyjr/quinns-conveyance
Paid ComfyUI knowledge tools. 5 tools $0.005 USDC/call on Base via x402; ping, list_topics free.
QuintaDB
com.quintadb/mcp
No-code databases, forms, portals and AI sites. Manage records and automation via natural language.
QuintaDB
ru.quintadb/mcp
No-code databases, forms, portals and AI sites. Manage records and automation via natural language.
QuintaDB
ua.com.quintadb/mcp
No-code databases, forms, portals and AI sites. Manage records and automation via natural language.
QuipAssist
com.quipassist.app/quipassist
Equipment, repair and maintenance records; agent changes wait as drafts for review.