MCP connectors for Claude

Misconception detection for AP Chemistry & Physics 1.

Daily sovereign-credibility and macro scores for 169 emerging markets, built on free public data.

Stock screens by momentum, technical signals, earnings and themes; sector rotation and market mood.

Monte Carlo retirement projections on a real engine, with assumptions attached.

Portfolio scenarios with instrument checks, Monte Carlo analysis and interactive reports.

Stock sentiment scores, monthly recaps and the mentions behind them, from sources Quantral tracks

Scientific compute for AI agents: symbolic, numerical, quantum, chemistry, ODE.

Quantum error-correction feasibility: success probability, qubit overhead, records, trends.

Post-quantum cryptographic library protecting data packets.

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC.

Surplus lines market data, per query.

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.

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

quiver

Online

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

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

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

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

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

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.

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

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

quotor

Online

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

Real, bindable home & auto insurance quotes via MCP — Texas today, expanding across the US.

• Check Eligibility: Confirm whether Libertas can quote and bind insurance for the customer in their state. Call this first — before collecting any personal details — when the customer asks about insura
• Start Quote: Begin a new home, auto, or bundled insurance quote. Returns a quote ID to use on every following call. Call this when the customer wants to get an insurance price. INTAKE ORDER (Kyle 2026
• Update Quote: Set or refine any quote parameter except regulated enrichment fields (credit score, MVR, CLUE, VIN-decoded vehicle attributes, public-record property attributes). Idempotent — call as ma

Quran: Quran API Service with 90+ different languages and 400+ translations.

QVeris Hosted MCP

Online

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

Give your agent access to external APIs without building and maintaining a separate integration for every provider.

• Discover: Discover available tools when task fit, data quality/freshness, provider comparison, fallback, or the user request favors QVeris. QVeris is not a mandatory gateway. Returns relevant tools th
• Inspect: Optionally inspect tools by ID when selection or valid request construction depends on missing/stale contract details. Provider comparison: Inspect each candidate to confirm current scope/con
• Probe: Optionally validate parameters or obtain a zero-cost quote when inputs are uncertain, a current quote is needed for a budget decision, or preflight is explicitly requested. Probe is not require

Free Qwen3.8-27B gateway with isolated Minis provider, SSE, retry/failover, and MCP.

RabbitMQ + Elasticsearch + MongoDB Stack Generator

Evidence-based humanoid robot data: RadarScore ratings, evidence grades A-D, prices, EU availability

Checks if AI assistants name a local business.

Manage authorized Rafi leads, reminders, DNC status, and AI voice playbooks.