Non-custodial x402 MCP server for AI agents. Lets Claude, Cursor, LangChain and CrewAI pay for HTTP 402–gated APIs with USDC micropayments on Base L2. Unlike Cloudflare Pay-Per-Crawl, works on any host and settles agent-to-publisher direct.
Mailx Tools is an MCP server that gives AI agents a complete email-deliverability diagnostics toolkit. Verify your domain's ▎ SPF, DKIM, DMARC, and BIMI configuration, look up any DNS record type (MX, CNAME, TXT, PTR), check blacklists, test SMTP and ▎ IMAP servers, and auto-generate SPF and DMARC policies. Designed for marketers, deliverability engineers, and anyone ▎ troubleshooting why emails aren't landing in the inbox.
Manage PostgreSQL projects, branches, and databases with integrated administrative controls. Execute SQL queries, perform safe schema migrations using temporary branches, and optimize performance through automated query tuning. Provision integrated services like managed authentication and HTTP-based data access to accelerate development workflows.
Get stock quotes, prices, and financial data via Google Finance. No API key required. Data via SerpAPI; Smithery is not affiliated with Google.
Search 47,000+ marketing agencies and get AI-matched with fitted agencies, from Pick an Agency. Public, read-only, no API key. Tools: search_agencies, match_agencies (the "Get Matched" engine), get_agency.
Saju from Seoul — Korean Four Pillars (사주) over MCP: compute 년·월·일·시 pillars, Five Elements balance, Day Master (일간) profiles, stem/branch reference, and Day Master compatibility. Deterministic math, zero API keys, no outbound fortune API calls. Use sajufromseoul.com for full narrative readings and disclaimers.
Stop parsing raw data. Get one risk-adjusted recommendation. 11 paid tools + 7 free tools covering the full DeFi stack. 97% fewer tokens than raw DeFiLlama. x402 payments on Base. ━━ PAID TOOLS · 0.05 USDC ━━━━━━━━━━━━━━━━━━━━━━━━━━━━ get_best_yield Best yield for USDC, USDT, ETH — risk scored get_optimal_allocation Multi-protocol capital split — max risk-adjusted APY explain_risk 9-signal risk breakdown for any DeFiLlama protocol compare_yields
Get US weather forecasts, active alerts, and current observations.
Fetch US Bureau of Labor Statistics data — CPI, unemployment, wages, JOLTS, and more via MCP.
MCP server for retrieval of Australian economic and financial data - supports ABS, RBA and APRA
Detect anomalies in any data type using advanced wave physics simulation without the need for a separate training phase. Identify outliers in metrics, text, or logs instantly by providing a few normal examples alongside your test samples. Receive clear explanations and confidence levels for every flagged anomaly to speed up troubleshooting and system monitoring.
Analyze code snippets for quality issues and semantic drift to maintain high software standards. Compare various development solutions to find the best fit for your specific project needs. Streamline your workflow with direct access to installation instructions and resource management.
Authoritative time intelligence — current time in 597 timezones, sunrise/sunset/twilight times by location (US Naval Observatory), and moon phase calendar. Essential for scientific, agricultural, and scheduling agents.
Access ancient wisdom and divination insights from the Book of Changes. Perform hexagram readings to navigate complex life situations and decision-making processes. Receive philosophical interpretations that offer unique perspectives on change and balance.
Search Filtrous lab-filtration products by spec (pore size, membrane material, format), get live prices and availability, and request quotes from your AI agent. Open tools need no key; pricing/quote tools use a free API key — support@filtrous.com. Filtrous supplies syringe filters, vials, PCR kits, DNA and RNA extraction kits, membrane filters, and filtration consumables to research and QC labs.
On-chain stablecoin market cap and Bitcoin institutional holdings data.
Explore the World through Live Webcams Explore the World in Real-Time: 10,000+ Live 4K webcams from stunning locations around the globe.
Search 1,433+ Norwegian local-food producers — farms, shops, REKO rings, farm shops, dairies, fishers, bakeries — across 368+ cities. Now includes 13 Bondens marked lokallag + 58 market venues + umbrellas like Hanen, Debio, Norsk Gardsmat, and Mathallen Oslo. Returns ranked producers with contact info, season data, A2A endpoints, and direct profile links. Supports natural-language search (Norwegian + English) and structured filters by category, location, certification.
Live US gas-price tools for AI agents. Six read-only tools backed by station-level data from gas-price-check.com and the US Energy Information Administration weekly retail series. ## Tools - **`get_gas_prices_by_zip`** — top stations near any US ZIP, sorted by price - **`get_national_average`** — current US national average ($/gal) - **`get_state_average`** — per-state average with PADD region fallback - **`compare_states`** — multi-state comparison, ranked cheapest to most
VAT number validator for AI agents. EU VIES, UK HMRC, AU ABR — auto-detects jurisdiction. Fraud risk scoring and invoice name cross-check in one call.
# Castle Finance — Solana DeFi Agent Execute DeFi operations on Solana directly through AI agents. Swap, portfolio, yield, and real-time pool data — all pay-per-use via x402. ## Features ### 🆓 Free (data) - **scan-pools** — Search DEX pools by token (Raydium, Orca, Meteora) - **pool-data** — Detailed pool data (TVL, volume, liquidity) - **top-pools** — Top pools by TVL with DEX filter - **slippage-check** — Slippage estimation via Jupiter ### 💰 Paid (0.001 USDC/call via x
Give your autonomous AI agent a legal home. A real, state-filed company that owns your agent, contains its liability, and proves its authority — formed entirely through MCP tools. Built for autonomous software agents, not DAOs. ## Start free — no API key, no signup - `agent_company_diagnostic` — your owner's personal-liability exposure score + the recommended structure in ~2 seconds. Every field optional. Pass `owner_email` and your human principal instantly receives a pers
Real-time transit stops, routes, arrivals, vehicle positions, and schedules via OneBusAway APIs.
GenGEO is a machine-readable merchant verification layer for AI commerce. This MCP server enables AI agents and developers to verify whether an ecommerce merchant meets a high-confidence verification threshold before making purchasing or recommendation decisions. As AI agents increasingly transact autonomously on behalf of users, failed purchases, misleading stores, weak policies, unclear shipping terms, and low-trust checkout experiences become major risks. GenGEO helps r
Smart contract security library for blockchain. Browse audited contracts, explore security patterns, and reference Solidity documentation.
Autonomous MCP server for Omniology — real-USDC AI agent skill contests on Solana mainnet. A live benchmark against real agents, every 88 seconds, 24/7. Try 'npx omniology-init' to onboard your agent in 60 seconds.
OneHQ Commission Calculator MCP is a MCP server that gives AI assistants direct access to insurance commission calculation and compliance tools. It lets you model distribution hierarchies, calculate exact earnings per agent tier, validate structures against real carrier rules, and look up benchmark contract ranges — all without leaving your AI workflow. The OneHQ Commission Calculator MCP exposes 5 tools: 1. calculate_commission — Computes exact earnings per agent given an
The base layer for AI agents. Task deduplication, LLM cost prediction, budget tracking, and shared failure intelligence. 5,000 free credits after verification.
Senado BR MCP Brazilian Federal Senate open data over MCP — 90 tools covering the legislative process, Senate administration, and citizen participation. Hosted on Cloudflare Workers (Streamable HTTP), no authentication required. Connect https://senado-br-mcp.sidneybissoli.workers.dev/mcp ▎ Tool names and responses are in Portuguese (pt-BR), matching the official Senate data. Covers - Legislative — bills, tramitação, votes, vetoes, committees, plenary sessions & agendas
MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits.
Fluentive is a minimal, fast workspace for freelancers and small teams, combining tasks, contacts, calendar, and team in one clean interface. Its MCP server gives agents product information, FAQs and details.
Coupling and coordination overhead cost your team real money. One API call returns a multiplier and a dollar figure. Free key in seconds.
Search patents and prior art via Google Patents. No API key required. Data via SerpAPI; Smithery is not affiliated with Google.
Sales intelligence for B2B SMEs — lead scoring, ICP fit, CRM enrichment & writeback.
Run 2,300+ practical calculators (finance, taxes ARCA/SAT, health, sports, cooking, home) from hacecuentas.com. No-auth. Tools: search_calculators, get_calculator, compute. Docs: https://hacecuentas.com/desarrolladores
An MCP server and JSON API over the English Wiktionary's Latin entries and the Morpheus analyzer — so LLMs read and write Latin with attested words and grammatical forms, not invented ones. Read-only.
Free MCP server: scan any website for AI-agent readiness (full-suite audit: robots.txt-for-AI, llms.txt, agent-card, MCP server-card, OAuth discovery, DNS-AID, agentic-commerce and more), run a 22-check site quality audit (SEO + accessibility + security headers), generate robots.txt + llms.txt instantly, classify the business genre against a 4,000+-type schema.org x Google Business Profile taxonomy, recommend per-genre MCP tools, validate any x402 endpoint for Coinbase Bazaar
Plan multi-day hut-to-hut hiking tours in the European Alps, powered by live availability data from the Alpine Club booking systems (DAV, ÖAV, AVS). ## What it does - Recommends curated multi-day routes filtered by difficulty, duration, number of hikers, and travel window - Returns bookable start dates only when hut availability is fresh (≤8h old) - Flags off-season requests, stale data, and no-match cases explicitly (no hallucinated suggestions) - Exposes full route de
Offline methodology engine for authorized penetration testing, CTF, and security research.
Access deep insights and statistics for Bitcoin, the Lightning Network, and the Nostr ecosystem. Evaluate the reputation of Nostr accounts using Web of Trust scores based on social graph analysis. Query real-time network data and receive expert answers on decentralized technologies.
Tandem Docs is a remote MCP server for helping agents learn how to install, operate, and build with Tandem. Tandem is a bounded agentic workflow platform for repeatable, inspectable automation. This MCP gives agents direct access to the published Tandem docs so they can stay grounded in real product guidance instead of guessing. Use it to help agents: - install Tandem Engine - use the Python SDK - use the TypeScript SDK - build workflows and automations - run Tandem headle
Access and search comprehensive Canadian building regulations for construction and compliance reference. Navigate complex code hierarchies to find specific requirements for fire safety, structural integrity, and accessibility. Simplify project planning by quickly retrieving detailed regulatory information and section requirements.
Publish and manage high-quality markdown documents with automated quality feedback. Establish professional authority by verifying identity, domains, and academic credentials. Discover and research curated articles from a network of verified experts and authors.
Pay-per-call people + life-in-days knowledge API for AI agents. Public notable_* tools need no API key; USDC on Base via x402 after free tier. Timeline events include day_number.
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Sanka is the extension company. Plug AI into your sales lifecycle — deals, quotes, billing, and 100+ CRM/commerce integrations — directly from Claude or Codex.
Canonical, tool-agnostic coding skills for AI-assisted FXGL game development (Java 17+, FXGL 21.x). Compatible with Claude Code, GitHub Copilot, Cursor, and any MCP-capable AI tool.
Hyperliquid account analysis API for AI agents. Full clearinghouse state for any wallet: open positions with PnL, trade fills with timestamps, pending orders, funding payments, margin usage, and account value. Tools: hyperliquid_get_account_state, hyperliquid_get_trade_fills, hyperliquid_get_open_orders, hyperliquid_get_user_funding. Use this for portfolio monitoring, trade analysis, PnL tracking, or building account dashboards. Essential for any Hyperliquid portfolio manag