MCP connectors for Claude

Quantity Takeoff

Degraded

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Start here: Regulatory Radar — one bounded x402 compliance scan on Base.

• Calculate Takeoff: Calculate an auditable material takeoff from explicit geometry or a supported SmartScale/ProtoGen measurement payload. Returns net, explicit waste-adjusted, and conservative purchas
• List Assemblies: List supported assemblies, required dimensions, formulas, waste defaults, and the current material-pack digest.
• Get Assembly: Return one assembly's formula, required dimensions, material factors, purchase increment, sources, and material-pack lineage.

QuantJourney API MCP

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Broad, OAuth-protected provider and financial-domain API tools for research agents.

QuantRisk

Online

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Portfolio risk analytics — VaR, Monte Carlo, optimization, options Greeks, stress testing.

Quantum Suitability Validator

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AI triage for quantum computing POC proposals.

quantumscan

Online

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Post-quantum cryptography (PQC) vulnerability scanner for GitHub, GitLab, and Bitbucket repositories.

• Scan Repository: Submit a GitHub, GitLab, or Bitbucket repository for post-quantum cryptography (PQC) vulnerability scanning. Returns a scan_id. Call get_scan_result to poll for the result. Free tier:
• Get Scan Result: Get the result of a previously submitted scan. Returns status (submitted | working | completed | failed) and, when completed, a full CBOM (Cryptographic Bill of Materials) compliant w
• Check Pqc Risk: Instant check (no DB, no scan) — returns whether a list of algorithm names are quantum-vulnerable. Useful for quick risk assessment before calling scan_repository. Rate-limited: 100 ca

PQC scanner for GitHub repos and smart contracts.

Quelvio

Online

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Your company's brain for AI agents.

• Query Knowledge: Search the company's connected knowledge across every source — Drive, SharePoint, Confluence, Slack, Notion — with cited synthesized answers, lifecycle awareness, and refusal-on-weak-
• List Domains: List the taxonomy domains the company has indexed — with document counts, expert counts, and coverage levels — so an agent can decide whether to query before spending a Knowledge Token.
• Get Source Detail: Return per-chunk source provenance for a previous query — document path, lifecycle state, embedding timestamp, contributor, last-updated — useful for verifying a citation or surfaci

Querido Diário (municipal)

Online

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Searches MUNICIPAL official gazettes from thousands of city halls (Querido Diário / Open Knowledge B

queryquarry

Online

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

Quesen Deterministic Agent Decision Layer

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

QueueSim

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

Quickbooks

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

Quickgo

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QuickGO (EBI) MCP — Gene Ontology browser.

quickS3

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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

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E-signatures for contracts and NDAs.

Quidli Connect

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Identity and reputation for AI agents that transact.

• Connect Get Price: Get public x402 list prices for lookup, scores, and agent (reference only; live paywall amounts are in 402 responses).
• Connect Lookup: Resolve social identities to EVM and Solana wallet addresses. If status is processing, retry the same payload.
• Connect Lookup Exposed: List platforms a recipient has exposed on Connect, with enriched profile, scores, and wallet addresses. May require x402 payment when the profile owner charges for lookups.

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

quintadb-ua

Online

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No-code платформа для створення баз даних, форм, порталів та AI-сайтів.

• 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

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

Quizlar — voice-powered AI flashcards with spaced repetition

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

Quorel

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

quorum

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

Quotable

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

Quoted-printable length, input discarded

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Quoted-printable length, input discarded

Quoted-printable soft-break count, input discarded

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Quoted-printable soft-break count, input discarded

QuoteOS

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Agent-native insurance quoting protocol — sandbox, MCP + REST, eligibility pre-flight

Quotes

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Quotes MCP — citation-grade quote API for public-domain authors.

quotes-estimates-proposals-vat-win-rate

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Quotes and estimates: VAT line items, a validity date, an A4 PDF, accept makes an invoice.

Quotewise

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Semantic quote search with 600K quotes.