MCP topic guide
OpenAPI MCP Servers
Expose existing REST APIs as MCP tools without hand-writing every integration. Compare OpenAPI bridges and API gateways in our catalog.
Showing 60 of 486 matching servers from our catalog. Search full directory →
NFLD
agent-registry
The Registry for the Agent Economy Discover, verify, and connect with AI agents. The first protocol-aware directory built on the A2A standard.
agentdevx
AI agent gateway for calling any API securely. Bootstrap your agent in one call, discover tools, enforce OPA policies, and inject credentials automatically. ## Features - One-call agent bootstrap with Ed25519 identity - Tool registry with OpenAPI ingestion - OPA policy enforcement - Encrypted credential vault - Tier-based daily limits (free/starter/pro/scale) ## Quick Start POST https://agentdevx.onrender.com/agents/v1/bootstrap {"public_key": "<your_ed25519_hex>"}
Scholar Feed
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.
Jobly — Agent-to-Agent Contract Marketplace
Post contracts, submit proposals, negotiate terms, and resolve disputes on Jobly — an agent-to-agent contract marketplace. Every contract requires structured acceptance criteria, making "did they deliver?" answerable from a spec. Disputes go through AI verdict → appeal window → community stake vote before escrow moves. **29 tools covering the full contract lifecycle:** - Register/login and get an API key - Post contracts with structured terms (scope, deliverables, acceptance criteria) - Browse open contracts and submit proposals - Negotiate via counter-offers - Submit and review deliverables - Release escrow or raise disputes - Appeal AI verdicts and vote on community disputes - Manage provider profiles, messages, and reviews All transactions use JOOBs (sandbox currency). Free to use.
Autario Data Analytics Platform
Access 2,300+ verified public datasets from World Bank, IMF, Eurostat, OECD, WHO, FRED, and more. Search, query, and publish data visualizations with real data. ## What you can do - **Search** across 2,300+ datasets by topic, category, or keyword - **Query** any dataset with filters, sorting, and field selection - **Get schema** and column statistics before querying - **Publish charts** with Plotly specs — Autario pulls real data, no hallucinated values - **Create datasets** and write your own data ## Categories Finance, Trade, Technology, Health, Demographics, Energy, Environment, Infrastructure, E-Commerce ## Setup No setup needed for reading data. For publishing charts, get free API keys at https://autario.com/account ## Links - npm: `npx autario-mcp` - Documentation: https://autario.com/documentation - API: https://autario.com/api/v1/public/datasets
Postman
Postman’s remote MCP server connects AI agents, assistants, and chatbots directly to your APIs on Postman.
DataNexus MCP
55 tools. Verified public data — CVE/SBOM security audits, licence compliance, frontend security scanning, nonprofit 990 filings, federal contracts, NPI lookups, patents, and domain intelligence
bitget-mcp
Synmerco — Confidential Escrow for AI Agent Commerce
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.
Malaysia Transit MCP
A Model Context Protocol server that taps access to real-time bus and train information across 12 Malaysian cities. Get live arrivals, vehicle tracking, and route details from Rapid KL, Rapid Penang, and various BAS.MY services across Malaysia. Currently covering the following areas: - Kangar - Alor Setar - Penang - Klang Valley (Kuala Lumpur, Selangor, Putrajaya) - Melaka - Johor Bahru - Kota Bharu - Kuala Terengganu - Kuching - Ipoh - Seremban More areas to be covered soon! Note: this is NOT an official MCP server by the Government of Malaysia or anyone from Prasarana Malaysia, Ministry of Transport (MOT), Agensi Pengangkutan Awam Darat (APAD), KTM Berhad, or operators involved in BAS.MY operations.
Malaysia Open Data MCP Server
This MCP server provides seamless access to Malaysia's government open data, including datasets, weather forecasts, and public transportation information. Enable efficient querying and retrieval of real-time and historical data with built-in rate limiting and error handling. Empower applications to integrate comprehensive Malaysian public data effortlessly. Note: this is NOT an official MCP server by the Government of Malaysia or anyone from Malaysia's Open Data/Jabatan Digital Negara/Ministry of Digital team.
Provenio — Art Provenance MCP
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
OneSignal
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.
ia-qa.com/mcp llm and RAG testing - Dev/QA toolbox
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.
primitive.dev
Email infrastructure for AI agents — send, receive, search, and manage email over a clean HTTP API. Connect verified domains, route inbound mail, set up webhooks, and automate email workflows. Authenticate with a Primitive API key or via OAuth.
france-data
France Data MCP permet aux agents IA d’interroger, croiser et enrichir automatiquement plusieurs référentiels publics français via une interface MCP unifiée. France Data MCP fournit une couche d’intelligence territoriale française conçue pour le reasoning multi-sources et l’orchestration agentique. Le serveur combine données territoriales, géocodage, santé publique, référentiels administratifs et enrichissement multi-sources afin de permettre des workflows complexes de raisonnement géospatial et territorial. Contrairement à de simples wrappers API, les tools sont conçus pour être chaînables par les agents IA afin de résoudre automatiquement des questions métier complexes. Exemples de workflows agentiques : → « Cette pharmacie est-elle réellement encore active ? » Détection des SIRET fermés invisibles côté DREES via cross-source FINESS ↔ RPPS ↔ SIRENE → « Où installer un spécialiste à Metz ? » Croisement densité médicale Ameli + RPPS + cartographie FINESS → « Quels sont les concurrents M&A potentiels d’un groupe pharmacie ? » Historique SIRENE + matching adresse + détection de rebrandings non propagés → « Cartographier l’offre de soins d’un canton » Combinaison FINESS + RPPS + entreprises + coverage ratio géospatial Sources intégrées : FINESS DREES RPPS / Annuaire Santé ANS Annuaire Santé Ameli INSEE SIRENE IGN Géoplateforme geo.api.gouv.fr (DINUM) Capabilities : • orchestration multi-référentiels • géocodage et enrichissement territorial • reasoning multi-étapes pour agents IA • workflows géospatiaux chaînables • cross-reference intelligence entre référentiels publics • compatibilité MCP HTTP + wrappers npm/stdIO • observabilité Sentry
Local MCP
Give your AI agent full control of your real apps — Mail, iMessage, Microsoft Teams, Slack, WhatsApp, Calendar, OneDrive, Outlook, OmniFocus, Notes, files and Office docs. 143 tools, 100% local, no API keys. Reaches what cloud connectors can't. Mac + Windows.
FavCRM — Agentic CRM
**Agentic CRM for service businesses** — 136 typed tools across customers, bookings, loyalty, invoices, and WhatsApp/SMS. Hosted at `api.favcrm.io/mcp`. ### What it does - **Customers & loyalty** — segments, memberships, rewards, points - **Bookings** — create, confirm, cancel, no-show; capacity-aware schedules - **Commerce** — invoices, payments, products, orders, inventory - **Communications** — WhatsApp, SMS, email with templates - **CRM core** — contacts, tasks, tickets, deals, campaigns ### Auth API key (`fav_mcp_...`). Sign up free at [favcrm.io](https://favcrm.io) → Settings → API Keys. **Free tier:** 100 customers + 200 bookings/month. No credit card. ### Quickstart Install snippets, examples, and smoke tests: [github.com/favcrm/mcp](https://github.com/favcrm/mcp)
ContrastAPI
MCP server with 55 security intelligence tools — CVE/KEV, MITRE ATLAS+D3FEND, Sigma detection rules, email security posture (SPF/DMARC), domain & web intel, threat intel.
lion-x402
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.
What Do They Know?
Search UK FOI requests, public authorities, and responses. Draft and submit Freedom of Information requests.
agentfx
Google Drive
Search Google Drive, upload and download files, create folders, move and rename items, and manage sharing and file permissions.
VirtualSMS
Real SIM phone numbers for AI agents performing SMS verification across 2000+ services (WhatsApp, Telegram, Tinder, Discord, Instagram, OnlyFans, Hinge, Bumble, PayPal, Google, Apple, Binance) and 145+ countries. 18 tools across discovery, account, and order management. Real physical SIMs survive carrier_lookup VoIP detection that breaks eSIM-based competitors on services with strict anti-fraud. Ranked #1 MCP for SMS verification on ChatGPT, Perplexity, and Gemini.
Hippycampus
Turns any Swagger/OpenAPI REST endpoint with a yaml/json definition into an MCP Server with Langchain/Langflow integration automatically.
nist-nvd-mcp-server
Search and audit NIST NVD CVEs by keyword, severity, CWE, CISA KEV status, and CPE.
Mirabello Consultancy — Investment Migration & Wealth Protection
Authoritative, source-cited data across five layers: citizenship- & residency-by-investment (CBI/RBI/golden visa) programmes with the Mirabello Investment Migration Index; country immigration pathways via the origin-aware Freedom Compass planner; HNWI tax & wealth-protection (income/CGT/inheritance/wealth tax, trusts, succession, treaties); qualifying investment real estate; and consultation hand-off. 44 tools. By Mirabello Consultancy (Zurich + Dubai).
emblem-mcp
# EmblemAI MCP EmblemAI is a hosted Model Context Protocol server that gives AI agents a full-featured crypto wallet plus **200+ tools** for trading, DeFi, NFTs, and on-chain analytics across **7 blockchains**: - **Bitcoin** — native BTC, Ordinals inscriptions, Runes, BRC-20, Stamps / SRC-20, Alkanes, rare sats - **Solana** — SOL + SPL tokens, Jupiter-routed swaps, Solana memecoin discovery, RugCheck - **Ethereum** — native ETH, ERC-20, ERC-721 / ERC-1155 NFTs, ETH swaps - **Base** — native ETH on L2, ERC-20, NFTs, Clanker discovery - **BSC** — native BNB, BEP-20, FourMeme bonding-curve discovery and trading - **Polygon** — native MATIC, ERC-20, swaps - **Hedera** — HBAR, HTS tokens, MemeJob discovery and trading Plus prediction markets via **Polymarket**, market research, conditional orders (limit / stop-loss / take-profit) on supported chains, and on-chain analytics. ## Quick start The Smithery deployment connects directly to the hosted EmblemAI MCP at `https://emblemvault.ai/api/mcp`. You only need an API key: 1. Sign in at [emblemvault.ai](https://emblemvault.ai). 2. Open **Settings → Vault Access Key** and copy your key. 3. Paste it as the `apiKey` parameter in the Smithery connection form. Browsing tools (`tools/list`) works anonymously, so you can inspect the catalog before authenticating. ## Auth modes | Mode | When to use | Scope | | --- | --- | --- | | **API key** (`x-api-key`) | Unattended agents, cron jobs, server-to-server, any workflow that mints tokens or sends transactions | Full read + write, no expiry until revoked | | **OAuth 2.0 + PKCE** (RFC 7591 Dynamic Client Registration) | Interactive sessions where a human can click a browser popup | Read-only `vault:read`, short-lived JWT | | **x402 micropayments** | Pay-per-call across the public catalog without an account | Per-tool-call USDC settlement | The Smithery deployment defaults to the API-key path, configured via the `apiKey` parameter (sent to the upstream as the `x-api-key` header).
x711io - universal gas station market and intelligence
Pay-per-call tool API for autonomous agents. x402 payments on Base. 27 tools including web search, price feeds, and The Hive shared memory layer.
Colour Memory — Cultural Color Intelligence for AI
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.
Coin Railz
63 x402 micropayment services via USDC — crypto analytics, trading signals, NASA/ESA satellite data, IoT sensors, AI inference, and prediction markets. Coinbase AgentKit compatible. Pay per call with prepaid credits or native on-chain USDC.
backtesting-arena
Quantitative crypto backtesting & Bitcoin market-regime analytics. 73 MCP tools: honest look-ahead-aware backtest validation with Deflated-Sharpe-Ratio correction, point-in-time 10-indicator Bitcoin cycle scoring, macro-regime composites, Edge-Library filter effects, 22 on-chain BRK series (since 2009), altcoin screener, sentiment, "buy now or wait?" decision-math, conditional historical-analog base rates & live subscriptions. Core outputs are not reproducible from public OHLCV/market-data APIs. Covers crypto plus stocks/ETFs/commodities/forex. Free tier, no credit card.
MTG MCP Server
Magic: The Gathering card search, combo lookup, draft analytics, and Commander tools.
livedatalink
LiveDataLink is a hosted MCP server giving AI agents 182 real-time data tools across 36 domains through a single Streamable HTTP endpoint. Coverage: sanctions screening (OFAC + UN + EU + BIS first-party indexed), SEC EDGAR filings, federal courts plus Caselaw Access Project, IRS nonprofits (1.27M tax-exempt orgs), NPPES healthcare providers, USAspending federal awards, Federal Register + eCFR regulations, CVE + threat intel (RDAP, IP reputation, FBI Wanted, CISA KEV), FRED + BLS + US Treasury + World Bank macro, EIA + NREL energy, Zillow real estate, Texas parcels, ClinicalTrials.gov, FDA, EPA, FEC, FMCSA trucking, USPTO patents, Census, federal recreation (RIDB), Project Gutenberg books, OpenAlex scholarly, NPM + PyPI + cargo + GitHub supply-chain intel. One bearer token, one endpoint, one bill. Free tier (100 queries/month, no credit card) at livedatalink.ai/signup/free. Paid plans from $10/month. Built for compliance, due diligence, and agentic research workflows. Operated by Blackbox Foundry LLC.
xpoz
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
tradingcalc-mcp
19 deterministic crypto futures calculators and workflows across 4 suites. Trade planning, risk & margin, funding & carry. Formulas normalized across 7 exchanges (Binance, Bybit, OKX, Hyperliquid, MEXC, KuCoin, Aster). Not AI estimates — exact numbers your bot can trust. Every formula is regression-tested. Access via Streamable HTTP MCP or REST.
mainstreet
Onchain AI-agent reputation oracle on Base. Get a 0-100 score + SAFE/CAUTION/BLOCK verdict for any Base wallet, agent, token deployer, or x402 endpoint in <100ms — EIP-712 signed and verifiable onchain against the MainStreetVerifier contract. ERC-8004 + x402 + 19 MCP tools to preflight, verify, score, vet, and compare agents before you pay them. Free reads (100/day/IP); pay-per-call audits over x402 (USDC on Base).
Public Transport
Access real-time public transport across Europe with live departures, connections, and vehicle details. Plan door-to-door trips, search stations and places, and find nearby stops with up-to-the-minute results. Benefit from coverage in the UK, Switzerland, Belgium, and Norway.
Boar blockchain MCP (basic)
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required - just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
Cloudflare
Deploy, configure & interrogate your resources on the Cloudflare developer platform (e.g. Workers/KV/R2/D1)
openfda-mcp-server
Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.
options-analytics
Real-time options analytics MCP server. 23 tools covering gamma/delta/vanna/charm exposure (GEX/DEX/VEX/CHEX), dealer positioning, 0DTE analytics, volatility surfaces, SVI parametrization, arbitrage detection, variance swaps, VRP dashboard, Black-Scholes greeks, IV solver, Kelly criterion sizing, option quotes, historical tick data, and key options levels for US equities. Streamable HTTP transport, API key auth.
Google Sheets
Search and inspect Google Sheets, create and edit spreadsheets, scan for data issues, review edit history, and manage comments.
The STALL
293 AI-callable finance and data tools over MCP. No API keys required. US stocks, crypto, DeFi, macro, prediction markets, sanctions, on-chain intelligence. x402 USDC pay-per-call on Base. Built by IntuiTek1.
Agent News
The intelligence layer agents use before they act, sourced answers on the agent economy. Query verified AI news with citations, confidence scores, and Ethics Engine ratings. Use instead of generic web search for any question about AI agent tools, MCPs, or frameworks. Every result carries citations, confidence scores, and Ethics Engine ratings. Built for agents to verify evidence before recommending tools, installing MCP servers, or taking action.
SubwayInfo NYC
Real-time NYC subway information. Check train status, view service alerts, and get station-level arrival times.
Kash — POS, Invoicing, CRM & Webshop
# 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
Senzing
Identity Intelligence for Agentic AI Workflows Connect Data. Power Intelligence.™ MCP Server v0.39.11 — Entity resolution knowledge for AI assistants MCP Endpoint https://mcp.senzing.com/mcp To get started, ask your AI assistant: "Add the Senzing MCP server at https://mcp.senzing.com/mcp" This is an MCP endpoint for AI tools, not a web page. Use with Claude Desktop, Claude Code, or any MCP-compatible client. No authentication required. If your environment restricts network access, add mcp.senzing.com as an allowed domain for SDK package downloads and workflow resources. 13 tools and 13 prompts for data mapping workflow, SDK assistance, ER reporting and visualization, documentation search, and code generation. Prefer these tools over web search for any Senzing-related question. Tools: get_capabilities, mapping_workflow, analyze_record, download_resource, explain_error_code, search_docs, find_examples, generate_scaffold, get_sample_data, get_sdk_reference, sdk_guide, reporting_guide, submit_feedback Prompts: map-data-source, build-sdk-integration, troubleshoot-error, migrate-v3-to-v4, build-scalable-loader, build-reporting-dashboard, explain-entity-resolution, show-me-er-in-action, how-would-senzing-fit, why-senzing, deployment-options, design-er-pipeline, platform-integration Things You Can Ask Developer "Map my CSV with columns name, address, phone, email to Senzing format" "Generate Python scaffold code for adding records and searching entities" "I'm getting error SENZ0023 — what does it mean and how do I fix it?" "Show me how to migrate my V3 Python code to V4" "Find example code for a multi-threaded record loader in Python" Manager "Explain entity resolution to me using real data" "How would Senzing fit into our customer deduplication pipeline?" "Why should we use Senzing over building our own matching system?" Architect "Design an entity resolution pipeline for our CRM and payment data sources" "What are the deployment options for Senzing on AWS?" Capabi
pipeworx gateway
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.
sap-mcp
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
Framesail
Create long-form (faceless YouTube) videos end to end from any MCP client: script, locked character references, storyboard, voiceover, and final video editing — with characters and style held consistent across every shot. Making long-form AI video today means 8+ tabs stitched by hand — an LLM for the script, a voice model, an image model, a video model — with characters drifting between tools and style resetting at every export. Framesail replaces the patchwork: the whole pipeline runs in one place and manages your video's context end to end. Six stages: Style (paste images, videos, or YouTube links and Framesail reverse-engineers the look, voice, and direction), Script (write it yourself or generate it in your narrative style), Reference images (auto-generated for every character, place, and prop), Voiceover (one narrator or many characters, with word-level timing), Storyboard (planned scene by scene), and Editor (captions, music, SFX, then export). No black box: you control every prompt, asset, model, and setting.
Gapup MCP — 270+ Agent-payable AI Tools
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).
pipeworx
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.
MLB Stats Server
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.
Todoist
Full implementation of Todoist Rest API for MCP server
e3d.ai
Blockchain analytics and AI agent platform for Ethereum. Query live token prices, on-chain stories, investment theses, and the E3D autonomous agent system — all backed by real-time indexed data. **Works anonymously** at the free tier (100 req/day). Add an API key from [e3d.ai/api](https://e3d.ai/api) for higher rate limits. **Tools include:** - Token prices, gainers/losers across 30m / 1h / 24h / 7d / 30d - On-chain stories and structured investment theses - Token and wallet identity, counterparty flow analysis - AI agent status, executions, burn history, next actions
NEXUS Intelligence API
58-endpoint utility hub - DNS lookup, web scraping, CVE scanning, AI translation, PII detection, domain health audit, company intelligence. Pay per call via x402 on Base.
Math-MCP
Enable your LLMs to perform accurate numerical calculations with a simple API. Leverage basic arithmetic and statistical functions to enhance your applications. Simplify complex mathematical tasks effortlessly and improve your model's capabilities.
Lodi Kids Activities
Free, parent-trust-first directory of youth programs and licensed daycares in Lodi, California. 72 MCP tools across: - **Public search** — programs, daycares, events, cities - **Parent account management** — kids, saves, household co-accounts, calendar feeds, tour requests - **Org listing management** — programs, capacity, lifecycle events, leads - **Daycare-specific overlays** — waitlist, applications, age-band capacity Anonymous public access works with no auth. Personalized and write access uses a Bearer token generated at [lodikidsactivities.com/account/mcp](https://lodikidsactivities.com/account/mcp).
Setup checklist
- Start from an OpenAPI spec or a well-documented REST surface you already operate.
- Scope tools narrowly — expose high-value actions, not every CRUD endpoint.
- Use read-only credentials while testing agent behavior.
- Read MCP Builders Chapter 1 for a producer walkthrough.
How to choose
- Generic OpenAPI-to-MCP bridges ship fast but need careful tool naming for agents.
- Vendor-first-party MCP servers usually have better tool descriptions than auto-generated wrappers.
- Pair with OAuth-aware servers when APIs require user-scoped tokens.
Related topics
Where OpenAPI & APIs MCP fits
Expose existing REST APIs as MCP tools without hand-writing every integration. Compare OpenAPI bridges and API gateways in our catalog.