RAG MCP Servers

X

Xero

Dev Tools

Remote

Interact with the accounting data in your business using our official MCP server

Use the SAP MCP Wizard or install the library from the npm registry to automatically create and configure a Solana/SAP wallet via https://mcp.sap.oobeprotocol.ai

Maintain persistent project context by storing decisions, lessons, and task checkpoints for seamless session transitions. Navigate information through semantic search and relationship graphs to uncover related knowledge clusters. Automate memory consolidation and cleanup to keep your workspace organized and relevant.

Provide structured access to Major League Baseball statistics through an MCP server. Query and retrieve detailed baseball data including statcast, fangraphs, and baseball reference stats. Generate visualizations and integrate seamlessly with MCP-compatible clients for enhanced baseball analytics.

Deterministic, citable legislative blueprints for Slovak and Czech law. Eliminates LLM hallucinations in regulated payroll, tax, garnishment, travel, and B2B computations.

W

Webex

AI & Memory

Remote

A Model Context Protocol (MCP) server that provides AI assistants with comprehensive access to Cisco Webex messaging capabilities.

C

Cortex

AI & Memory

Remote

An MCP server that serves a private markdown repository as a verifiable memory for Claude and other MCP clients, enabling tools to read, write, retrieve, and capture notes with deterministic verification of citations.

T

Todoist

Dev Tools

Remote

Full implementation of Todoist Rest API for MCP server

19 production-ready financial tools for AI agents. Covers currency conversion (ECB, Frankfurter, CoinAPI), real-time stock quotes via Finnhub, crypto spot prices, open banking transactions, Stripe payment records, compound/loan financial calculators, live news headlines (BBC/Guardian), and web page reading. Free and standard tiers. No setup required for free tools.

The world's only historically grounded colour archive built for AI agents. Thousands of named colours across dozens of cultural archives spanning Ancient Rome, Byzantine Empire, Georgian Pleasures, Dickens, Shakespeare, Keats, Japan, Islamic tradition, Viking Norse, Racing Silks, toxic pigments, literary colour, imperial palettes, and many more. Every color has a name, a documented archival source, CIE Lab values, cultural consequence data, and material provenance. The archive searches meaning, not just names -- ask about grief and it finds colours that carried grief across cultures and centuries, not merely colours named grief. Built as a retrieval system, not a generator. Deterministic, evidence-based, source-cited. The anti-hallucination layer for colour history.

OneSignal is a customer engagement platform that lets you send targeted push notifications, emails, SMS, and in-app messages, manage audiences, and track campaign performance. With the OneSignal MCP, manage your messaging directly from your AI assistant. Send push notifications, emails, and SMS by simply describing your audience and message. Check campaign delivery stats, build audience segments, manage templates, and handle user subscriptions all through conversation.

# Kash MCP Server — Official Integration > **Connect your Kash business to Claude, ChatGPT, and any MCP-compatible AI — and run your entire operation through natural conversation.** Kash has been a free, cloud-based point-of-sale solution since 2011, trusted by thousands of merchants across restaurants, retail, bakeries, florists, food trucks, and more. This MCP server is the official bridge between Kash and the new generation of AI assistants, turning every tool in your business into something you can simply talk to. --- ## What is Kash? Kash (kash.click) is a complete, free business management platform built for small and medium businesses. It goes far beyond a simple cash register: - **Point of Sale** — touchscreen-ready, works on any device (Android, iOS, Windows, Mac), online and offline - **Invoicing & Quotes** — generate PDF invoices, quotes, delivery notes, and expense reports in seconds - **CRM** — manage your full customer base with contact details, purchase history, loyalty points, credits, and custom fields - **Online Store / Webshop** — built-in e-commerce storefront synced with your catalog and inventory - **Inventory Management** — real-time stock tracking, alerts, supplier management, and buying prices - **Delivery Management** — table service, takeaway, drive-through, home delivery, relay points, and shipping - **Loyalty & Marketing** — loyalty cards, loyalty points, coupons, vouchers, referral programs, and marketing campaigns - **Payment Flexibility** — cash, card (SumUp, Yavin, Viva.com), PayPal, Lydia, GoCardless, direct debit, and even cryptocurrency - **Reporting & Analytics** — sales reports, revenue charts, export to CSV, accounting chapter mapping, and Pennylane integration - **Multi-user & Multi-cashbox** — manage staff access, roles, and multiple physical or virtual cashboxes All of this is **free** for small businesses, with no mandatory subscription. --- ## What Does This MCP Server Do? This server exposes the full Kash API as

**Memxus** is multi-platform persistent memory for AI assistants. Save project context, preferences, and decisions once — recall them in Claude, ChatGPT, Cursor, and other MCP clients. ## What it does - **Remember** — store facts, preferences, and project context with collections and tags - **Recall** — semantic search across your memories - **Get context** — formatted context blocks for the current topic - **Manage** — list, inspect, update scope, and delete memories ## Connect - **OAuth** (recommended): sign in with Google via your Memxus dashboard - **API key**: create an `aimem_*` key at [dashboard.memxus.com](https://dashboard.memxus.com) **MCP endpoint:** `https://mcp.memxus.com/mcp` **Docs:** [memxus.com/docs/mcp](https://www.memxus.com/docs/mcp) **Install:** [memxus.com/install](https://www.memxus.com/install) **Privacy:** [memxus.com/privacy](https://www.memxus.com/privacy) ## Tools `remember`, `recall`, `get_context`, `list_memories`, `get_memory`, `list_collections`, `forget`, `memory_stats` Built for developers and power users who work across multiple AI tools without repeating the same context every session.

Personal MCP server for humans who create. 39 tools: content publishing, Ed25519 signatures, license control, artworks with provenance, async Q&A, listings, federation. Your content, your rules.

S

Square

AI & Memory

Remote

A Model Context Protocol (MCP) server for square

Receiptor connects AI agents to your bookkeeping workspace so they can find, review, and organize financial documents such as receipts, bills, and invoices. Use it to inspect workspace context, monitor intake sources, review extracted document data, check integrations, and prepare accountant-ready workflows through secure OAuth access to Receiptor AI.

Agent operations platform with 20+ tools for AI agents. Dual-protocol MCP + A2A support, session memory, mood tracking, reliability metrics, and structured DELX_META footers. Built for production agent workflows.

J

Jina AI

Search & Web ★ 76,715

Remote

AI-powered search and retrieval platform. Search the web, read page content, extract structured data, and ground AI responses.

E

Excel

Dev Tools

Remote

Excel manipulation including data reading/writing, worksheet management, formatting, charts, and pivot table

M

Miro

Dev Tools

Remote

Miro MCP server, exposing all functionalities available in official Miro SDK.

IA-QA as an MCP Server Use IA-QA's developer tools to test your llm agents RAG ai tools, directly from Cursor, Claude Desktop, Windsurf, or any AI agent without leaving your IDE. Many classical testing tools too ! Enjoy ! No API key. No signup. Free.

Search 600,000+ CS/AI/ML research papers with LLM-generated novelty analysis, without leaving Claude Code, Cursor, or any MCP client. Built for researchers running a literature review where they already work: search, trace citations, pull full text, and export BibTeX in the same session.

Verified knowledge base for AI Agents — certified Swiss facts, no hallucinations. Swiss Truth gives your AI agent access to a curated, expert-reviewed knowledge base — covering Swiss law, health, finance, education, energy, politics, climate, AI/ML, and world science. Every fact has passed a 5-stage validation pipeline: semantic deduplication, AI pre-screening, source URL verification, expert peer review, and SHA256 integrity signing. Confidence scores decay over time — no stale data silently served. Tools included: • search_knowledge — semantic search in DE, EN, FR, IT, ES, ZH (auto-detected) • verify_claim — fact-check any statement → supported / contradicted / unknown • submit_claim — contribute new facts through the full validation pipeline • get_claim, list_domains, get_claim_status No API key required. Fully public. Connect in 30 seconds.

Y

YouTube

Search & Web

Remote

Fetch YouTube subtitles

C

ClickHouse

Databases

Remote

Query your [ClickHouse](https://clickhouse.com/) database server.

270+ agent-payable C-suite expertises (competitive intel, SEC filings, sanctions multi-jurisdiction, KYC, pentest scope, clinical evidence GRADE-graded, real-estate deals EU-first, ESG, NAICS classifier, patent landscape, research paper Q&A). x402 USDC/EURC micro-payments. Free tier 100 calls/mo, no credit card. Dual-audience (human/agent).

G

Google Calendar

Communication ★ 22,255

Remote

Schedule events, check availability, and manage calendars. Create meetings, set reminders, and coordinate across time zones.

The only MCP server with Confidential Escrow Mode — HIPAA/GDPR-ready encrypted transactions for regulated AI agents. 46 tools for the full agent commerce lifecycle. **Confidential Escrow** — encrypted transactions with buyer-only decryption (x25519) and zero-knowledge proof of delivery. The escrow system never sees the work product. Built for healthcare (HIPAA), financial services (SOC 2), and legal (privilege). **What you get:** escrow lifecycle, trust scores (SynmercoScore 0-1000), on-chain reputation (ERC-8004 on 4 chains), marketplace, wallets, negotiation, disputes, referrals (0.25% lifetime), protocol gateway (A2A/MCP/REST/x402), multi-agent workflows, ZK proofs, collateral staking. **10 tools work free — no API key needed.** $1K Shield Insurance per escrow. 3.25% flat fee. 179K+ agents in ecosystem.

OneHaus connects your home to your AI assistant over the Model Context Protocol. Once installed, any MCP-compatible client can manage everything your household runs on, no app-switching required. What it does: - Tasks & chores — create, assign, complete and schedule recurring tasks across household members - Shopping lists — add, buy and manage items, batch-add whole lists - Meals & recipes — build recipes, plan weekly meal plans, pull from a global recipe library - Calendar — create one-off and recurring events for the whole house - Home inventory — track pets, vehicles, appliances, subscriptions, documents and contacts - Smart context — weather forecasts, a house review/summary, and persistent memory so your assistant remembers your household over time All actions run against your live Haus household, resolved automatically from your authenticated session. Requires paid subscription to OneHaus. For more information, see https://onehaus.app

Keyless MCP enrichment + real-world CPG/retail price intel for AI agents. Pay-per-call in USDC on Base (x402) — no API key, no account, no subscription. Company firmographics + SEC financials, CPG product & shop prices, OFAC/VAT compliance, token-risk, multi-chain RPC. Every response Ed25519-attested so agents can verify it offline. Free to try: lion_declare_need, lion_quick_intel.

G

Google Sheets

Data & Analytics ★ 63,663

Remote

Read, write, and format spreadsheet data. Manage sheets, run formulas, and collaborate on structured data in real time.

Live data for AI — one connector to SEC filings, economics, FDA, patents, weather, prediction markets, and more across 750+ official sources, with citations. The hero tool ask_pipeworx routes any question to the right source and returns structured, cited data.

Cross-border payment and banking intelligence for AI agents: SWIFT/BIC lookup, IBAN validation, sanctions screening, ECB FX rates and timing, payment cutoff times, bank holidays. Built for treasury and payment-operations teams. 28 tools; most free, no key required. Less limits with key + FI license validation.

C

Corvid

AI & Memory

Remote

Free, no-signup persistent memory for AI agents. One click mints a private memory space; the returned token is the credential. Agents store durable notes and get them back later via semantic recall (embeddings-based, finds by meaning not just keywords). Remote streamable-HTTP MCP — no install, no repo, works from any MCP client.

**Your company's brain for AI agents.** Quelvio continuously understands your organization's knowledge across every connected system — what's authoritative, what's recent, what's persistent, what's temporary, and what should be forgotten. Returns cited answers grounded in your authoritative sources, refusing when the corpus doesn't actually answer the question. ## What makes Quelvio different - **Cross-document supersession** — when sources conflict, surfaces the current truth and explicitly names what it supersedes - **Authority-weighted retrieval** — weights documents by who said them on the relevant topic - **Refuses on weak context** — when the corpus doesn't actually answer, says so. No hallucinated numbers, no fabricated citations - **Cross-source synthesis** — reasons across Slack, Confluence, Notion, Drive simultaneously with explicit source attribution - **Lifecycle awareness** — tracks current vs deprecated content, flags stale procedures ## Tools - `query_knowledge` — search across all connected sources with optional synthesis modes (fast / standard / deep) - `list_domains` — discover what knowledge domains your tenant has indexed - `get_source_detail` — chunk-level provenance for any cited result ## Setup 1. Sign up at https://quelvio.com — 5GB indexed + 2 queries/day free tier 2. Connect your sources (Google Drive, SharePoint, Confluence, Slack, Notion, GitHub) 3. Add this MCP server to your client 4. Complete OAuth on first tool call ## Authentication OAuth 2.1 with PKCE. Per-employee identity propagation — each query is scoped to the individual employee's permissions in source systems. ## Pricing Per Knowledge Token model. Paid plans scale with usage and seats.

K

K8sCortex - Kubernetes MCP Server

Cloud & Infra ★ 2,790

Remote

Production-grade MCP server for Kubernetes — 75 tools across GKE, AKS, EKS, OpenShift and Minikube with RBAC, audit logging, GitOps (ArgoCD + Flux), and multi-cluster support

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

**The audio-news + Declassified MCP that pays your agent to integrate.** Give your users narrated news and a viral library of real **FBI / CIA / NSA / NASA / AARO** declassified cases — plus market-linked story signal. The best tools are **free and no-auth**, so you wire it in and ship in seconds. **Why integrate** - 💸 **Earn** — `register_embedder` enrolls your agent in revenue share; every attributed impression pays out (fiat or USDC on Base). Almost no MCP pays you back. - ⚡ **Free, no-auth** — Declassified + discovery + narrated audio need zero signup. Try `search_declassified` in 30 seconds. - 🎧 **Content your users want** — narrated audio for any article, daily briefings, and an evergreen Declassified archive. **23 tools** across declassified, discovery, audio news, market signal, premium briefings (metered per-call via x402/USDC), and partner/earn. Remote endpoint: `https://api.storyflo.com/mcp/v1` · OAuth + Dynamic Client Registration (auto).

# DomainKits MCP Domain MCP server for AI assistants. DomainKits MCP connects Claude, GPT, Gemini, and other AI assistants to domain data, turning them into domain agents that can search, analyze, and act on market data through natural conversation. ## What is this? Check availability with pricing. Search newly registered, expired, and deleted domains. Analyze WHOIS, DNS, and keyword value. Track registration trends and market movements. Pair with [DomainKits Skills](https://github.com/ABTdomain/domainkits-skills) to give your AI agent domain industry workflows for deeper analysis. ## Features ### Search Tools | Tool | Description | |------|-------------| | `nrds` | Monitor newly registered domains, spot viral trends | | `aged` | Find established domains with 5-20+ years history | | `expired` | Discover domains entering deletion cycle | | `deleted` | Search just-dropped domains available for standard registration | | `active` | Scan live websites and acquisition targets | | `ns_reverse` | Reverse lookup by nameserver | | `unregistered_ai` | Find unregistered short .ai domains (3-letter, CVCV, VCVC, CCVV patterns) | | `domain_changes` | Domain change detection, actively monitors 4M+ domains for transfers, expirations, new registrations, and NS changes | | `price` | Registration and renewal prices by TLD | ### Query Tools | Tool | Description | |------|-------------| | `dns` | Query DNS records (A, MX, NS, TXT, etc.) | | `whois` | Get registration details and dates | | `safety` | Check domain reputation via Google Safe Browsing | | `tld_check` | Check keyword availability across all TLDs | | `available` | Instant availability check with pricing | | `market_price` | Check secondary market listings and price estimates | ### Analysis Tools ⚠️ | Tool | Description | |------|-------------| | `keyword_data` | Google Ads keyword data: volume, CPC, competition | > ⚠️ Analysis tools require a registered account. [Sign up free](https://domainkits.com/login) ### Trend T

A

AI HR Management Toolkit

AI & Memory ★ 4,920

Remote

Manage Job using MCP: Manage Job, Candidates, Resumes, Salaries all within this one MCP tools It can solve problems like: You have 50 resumes to screen. Your AI assistant can reason about candidates, but it can't: Read PDFs/DOCX — The AI can't open binary files Extract structured data — Copy-pasting loses formatting, metrics, and context Compare at scale — No consistent scoring across candidates Track pipeline — Spreadsheets break down after 10 candidates Generating analysis takes seconds. Getting data into the AI takes forever. Give your AI assistant direct access to resume parsing, skill extraction, and pipeline management via MCP tools. The AI calls the tools, interprets the results, and delivers analysis — all in one conversation.

M

Memory

AI & Memory

Local

Persistent agent memory with entities, relations, and facts across sessions.

Art provenance intelligence for AI agents. 282,731-node knowledge graph over 273,378 market transactions — Getty Provenance Index, Knoedler stock books (1872–1971), ERR and wartime-restitution records. Every answer cited to a source row; custody gaps named, never guessed — with HEAR Act / colonial-era risk-window flagging. 27 tools · 15 prompts. Free open beta, no card — keyless direct endpoint: https://provenio.art/api/mcp

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Milvus

Databases

Local

Vector database search for embeddings and similarity retrieval.

Live data for AI agents. 250+ data sources, 900+ tools. Ask questions in plain English with ask_pipeworx — trade flows, SEC filings, drug safety, housing data, and more. No API keys needed.

The API runtime for AI agents. One tool call. Any API. No setup. Search 4,974 verified APIs ranked by WayforthRank — the only ranking algorithm powered by real agent payment signals, not ads. Execute via 18 managed services with zero API keys. Self-healing: if a service fails, credits restore automatically. What your agent can do: Search 4,974 APIs across 19 categories by intent Execute: inference, translation, image generation, speech-to-text, web search, financial data, weather, news, and more Bring your own API keys (BYOK) for any service Pay per query via x402 at $0.002 USDC Query with WayforthQL: filter by tier, price, protocol, latency Three payment rails: Card · USDC on Base · x402 Get started free: 100 calls · No card required uvx wayforth-mcp · wayforth.io

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Mapbox

Search & Web

Remote

Unlock geospatial intelligence through Mapbox APIs like geocoding, POI search, directions, isochrones and more.

Govbase provides U.S. federal policy data — search bills, executive orders, look up Congress members and voting records, browse narrative story bundles, and get civic info like representatives and polling locations by address.

G

Google Tasks

Communication ★ 21,211

Remote

Google Tasks provides a simple to-do list and task management system integrated into Gmail and Google Calendar for quick and easy tracking

105-tool browser automation with cognitive user simulation, visual testing, persona system, and site knowledge. Rate limited (50 req/hr). Free for evaluation

Public MCP server for UK company filing guidance, products, deadlines, and knowledge-centre content

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Vector Search — In-Memory TF-IDF Semantic Store

Search & Web ★ 3,554

Remote

In-memory vector search API for AI agents. Store documents and query by semantic meaning using TF-IDF vectorization with cosine similarity. Lightweight alternative to Pinecone/Weaviate for small datasets. Tools: data_vector_search. Use this for building simple RAG systems, document matching, or semantic search over small collections (< 10K docs). IMPORTANT: For web-wide search, use web_search_query instead. Returns: {results[], scores[], matchCount}. No API key required — x402 micropayment $0.005/call on Base L2.

The Registry for the Agent Economy Discover, verify, and connect with AI agents. The first protocol-aware directory built on the A2A standard.

A

Ayni

Dev Tools ★ 2,652

Remote

Facilitate standardized communication between agents using a specialized glyph-based protocol and shared knowledge base. Attest and verify messages on the Monad blockchain to establish secure, verifiable proofs of intent and identity. Participate in decentralized governance by proposing, discussing, and voting on new communication patterns and protocol symbols.

B

Brave Search

Search & Web ★ 60,204

Remote

Search the web with Brave's independent index — web, news, images, and videos. Bring your own subscription token from the [Brave Search API dashboard](https://api-dashboard.search.brave.com).

I

io.github.labacacia/banyan-memory

Search & Web

Local

An offline-first, governed memory and knowledge server for AI agents that provides Remember, Search, Update, and Forget operations with hybrid retrieval, semantic embeddings, and NID-based authentication. It can be used as an MCP server via stdio or Streamable HTTP, enabling agents to persist and query memories and wiki knowledge.

Z

Zep

AI & Memory

Local

Temporal knowledge graph memory for agents.

A

Apify

Search & Web

Remote

[Actors MCP Server](https://apify.com/apify/actors-mcp-server): Use 3,000+ pre-built cloud tools to extract data from websites, e-commerce, social media, search engines, maps, and more

Social intelligence for AI agents - Twitter/X, Instagram, TikTok data access and insights. 1.5B+ posts indexed. No API keys, no installation - just add endpoint URL. Perfect for brand monitoring, competitive analysis, influencer research, and content analysis. ## Why Xpoz? 🚀 **Zero Setup** - No npm install, no Docker, no local dependencies. Add one URL to your config and go. 🔑 **No API Keys** - no rate limit management required. 📁 **Comprehensive Data** - User profiles, posts, followers, following lists, engagement metrics, and sentiment analysis ready. 📤 **CSV Export** - Bulk data export for large-scale analysis and reporting. 🔐 **OAuth 2.0 Authentication** - Secure Google authentication, no API keys to manage. 📊 **1.5B+ Posts Indexed** - Including historical data. ⚡ **Multi-Platform** - Query Twitter/X and Instagram from a single unified interface. ## What You Can Do **Twitter/X:** - Get user profiles, followers, following lists - Search tweets by keywords with boolean operators - Analyze engagement (comments, quotes, retweets) - Export full datasets to CSV **Instagram:** - Look up user profiles and statistics - Search posts by caption keywords - Get comments and engagement metrics - Analyze follower/following networks **TikTok** - coming soon ## Example Queries Just ask Claude naturally: - "Get @elonmusk's Twitter profile and recent tweets" - "Search for tweets about 'artificial intelligence' from last week" - "Find Instagram posts with #AIart and show engagement stats" - "Export all tweets mentioning 'OpenAI' to CSV" - "Compare follower counts between @nvidia and @amd" ## Use Cases - Brand monitoring & sentiment analysis - Competitive intelligence - Influencer research & verification - Content trend analysis - Social media analytics - OSINT research ## MCP Endpoint ``` https://mcp.xpoz.ai/mcp ``` ## Tags (comma-separated) ``` twitter, instagram, tiktok, social-media, analytics, osint, research, remote, data, intelligence, brand-moni