All connectors

Surplus lines market data, per query.

queryquarry

Online

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Double-blind talent marketplace: AIs search anonymous opted-in candidates; reveal on consent.

Quesen Deterministic Agent Decision Layer

Degraded

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Deterministic decision layer for autonomous agents: reproducible PROCEED/REVIEW/SKIP verdicts.

QueueSim

Online

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Run M/M/c queue simulations and four scenarios (call center, ER, coffee shop, single server).

QueueSim

Online

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QueueSim is a free Model Context Protocol server that gives Claude — and any MCP-speaking AI — the ability to run real discrete event queueing simulations…

• Simulate Mmc: Run a generic M/M/c queue simulation. Provide an arrival rate (λ, arrivals/hour), a service rate per server (μ, customers/hour each server can finish), and a server count (c). Optional:
• List Scenarios: List the four pre-built QueueSim scenarios. Returns key, title, and one-line description for each (Single Server, Coffee Shop, ER Waiting Room, Call Center). Call this when the user's
• Describe Scenario: Return full details for one preset scenario: title, description, teaching note, peak parameters, and per-hour arrival + staffing arrays. Use this before simulate_scenario to underst

Quickbooks

Online

Community: Submitted by a user or imported; check the owner before granting access

QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.

Quickgo

Online

Community: Submitted by a user or imported; check the owner before granting access

QuickGO (EBI) MCP — Gene Ontology browser.

quickS3

Online

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Give your AI agent access to S3-compatible storage without handing it your access keys.

• List Connections: List the storage connections (S3, R2, Spaces, B2, ...) this access grant can see.
• List Buckets: List the buckets of one storage connection that this access grant can see.
• List Objects: List objects and folders in a bucket, filtered to prefixes this access grant may read. Folders end with "/" and appear as kind "prefix".

quicksign

Online

Community: Submitted by a user or imported; check the owner before granting access

E-signatures for contracts and NDAs.

Open weekly security base rates (CC BY 4.0), plus live DMARC, takeover and WHOIS checks.

Family calendar MCP server: read the family's week and propose changes a parent approves.

OAuth-protected, read-only-by-default MCP server for provenance-labeled QuillCaddie project memory.

No-code databases, forms, portals and AI sites.

quintadb

Online

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No-code platform to build databases, forms, portals and AI-powered sites.

• List Projects: Показати всі проєкти (бази даних) в QuintaDB акаунті
• List Forms: Показати всі форми (таблиці) в проєкті
• Get Form Fields: Отримати поля форми з назвами та типами. ОБОВ'ЯЗКОВО викликай перед create_record щоб знати точні назви полів

Quiver

Online

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Quiver Quantitative MCP — alternative-data on public companies (quiverquant.com)

quiver

Online

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Verifiable, deterministic risk computation for autonomous agents — cross-venue portfolio & liquidation, position sizing, execution-quality, options…

• Perp Gate: Deterministic perpetual-futures risk. Given a position (entry, size, margin/leverage, maint-margin/maxLeverage), returns the exact liquidation price, the % adverse move to liquidation, effe
• Portfolio Gate: Cross-venue portfolio risk. Given positions across venues [{venue, asset|symbol, side, size, entryPrice, margin|leverage, maxLeverage|marginTiers}] — OR just account: a Hyperliquid 0x
• Size Gate: Deterministic position sizing (fractional Kelly) + risk-of-ruin. Given an edge — discrete {winProb, winLossRatio} or continuous {expectedReturn, volatility} — and a bankroll, returns the fr

Verifiable, deterministic risk math for autonomous agents; re-runnable proof on every answer.

MCP server for trivia: 1.4M+ questions (EN+PL), 24 categories, 12 tools + 4 prompts, OAuth 2.1.

QuizBase

Online

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Multilingual trivia MCP — 1.4M+ blended, deduped questions from 11 open datasets (CC, MIT), English and Polish at launch.

• Quizbase Random: Fetch N random trivia questions matching filters. Quality-first: by default excludes needs_review=true (use quality='all' to include for audit/research). USE WHEN: building a quiz, sa
• Quizbase List: Cursor-paginated browse over the catalog. Quality-first: by default excludes needs_review=true (use quality='all' for full pool). USE WHEN: full catalog sync, delta sync (updated_since)
• Quizbase Question By Id: Fetch one question with FULL per-record attribution (source, author, license, modifications, lastModified, sourceId, url) and `quality: "high" | "needs_review"` (always presen

Algorithmic flashcard and quiz generator for targeted learning.

Quizlar

Online

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Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text.

• Quiz Me: PRIMARY TOOL for 'quiz me on X' / 'test me on X' / 'help me study X' / 'I want to learn X' / 'drill me on X'. Single call — builds a flashcard deck on the topic, waits for it to be ready, and
• List Decks: List all flashcard decks owned by the authenticated user, with progress summaries. Use when the user asks 'what decks do I have', 'show me my decks', or needs to pick a deck to study.
• Get Deck: Get full metadata for one flashcard deck (title, description, card count, timestamps). Use when the user references a specific deck and you need details.

Quizlar — voice-powered AI flashcards with spaced repetition

Online

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Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text.

QuLab MCP remote server (Streamable HTTP) for computational science and lab tools.

Search and install curated agent skills, plus bundles that get one job done in a single call.

Quorel

Offline

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Turn any public website into a clean, versioned, queryable API — with native MCP support.

quorum

Online

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Market evidence with receipts: every claim resolves to a real stored record you can fetch back.

Quotable

Online

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Quotable MCP — wraps Quotable API (free, no auth)

Quoted-printable length, input discarded

Online

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Quoted-printable length, input discarded

Quoted-printable soft-break count, input discarded

Online

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Quoted-printable soft-break count, input discarded

Get dollar quotes from 200+ LLMs before any work runs; accept, execute, and verify quality.