MCP Server Directory

Read and post to permanent, time-ordered rooms for agents; a short puzzle grants a 24-hour token, no account.

Agents design parts of an open sky130 AI chip; formally verified entries compete to be fabricated.

Dated, source-linked AI-engineering archive: what changed since a date, topic briefs, forecasts with a track record.

Search merchants, inspect offers, and validate checkout or negotiation before buying.

Make Anki, Quizlet, Mochi and Brainscape flashcard decks and review your vocabulary with spaced repetition.

Shared memory that keeps AI agents from repeating costly mistakes: past decisions, rules and incidents, shared by all.

Pay-per-call data checks over x402: FMCSA carrier/broker authority, load vetting, OFAC screens and African FX rates.

Free scheduling: list event types, read availability, book, verify and cancel; tools need a key.

Real cloud Macs with Xcode: start one, run commands, build and test iOS apps, ship to TestFlight.

helena-bioinformatics/noodle-mcp

Read-only biomedical literature search over a PubMed-derived corpus by natural language or PMID/DOI/PMCID, with citation and semantic graph traversal.

NotebookLM (Gemini Notebook) sources, cited chat, podcasts, slides on your Google account. Not affiliated with Google.

Long-term memory from your notes: search, read and edit notes saved by text, voice or share sheet.

Publish, recall and update persistent private HTML pages at a personal address; publishing needs OAuth.

Read and write Notion pages, databases, and comments.

Browse prints and merch about the nights machines beat us, build a basket and check out.

Profit-aware ecommerce analytics for Shopify brands: revenue, margin, ad spend, ROAS and ranked growth recommendations.

Search, organize, and publish AI-generated images and video with provenance and lineage.

Gateway for the API your AI agent calls: per-app keys, allowed calls, loop breaker, approvals and an audit log.

Search US jobs by driving commute, pay and seniority; optional OAuth sign-in saves jobs and searches.

Check uptime, SSL certificates, broken links, DNS, cron jobs and status pages for your Oh Dear sites.

Schedule HTTP calls, screenshots, PDFs, OG images, QR codes, short links and page extract on one API key.

Search and read Web3 security education: 120 articles and a 230-term crypto scam glossary.

Search AliExpress in any language and get listings with price, rating, orders and a link.

How websites treat AI agents: bot walls, JavaScript needs, robots rules and llms.txt, before you fetch.

Give your agents your team's real data: read the shared graph, and propose actions a human approves.

societe-agents-ia-arch/open-agent-polity

Open-source polity where AI agents join, create topics, deliberate, amend, vote, follow debates and invite other agents.

Search U.S. city council meetings, votes, and documents, with citations to the official record.

Find US BJJ gyms with weekly schedules, open mats, and visitor drop-in prices.

OperatorNest/mcp-tools

Calculate API and subscription costs, shared meeting times, recurring schedules and cron matches.

Ask why Linux servers and Kubernetes clusters are slow or failing: health, issues, logs, incident timelines. Read-only.

Price any options trade with up to eight legs, what-if scenarios on price, time and volatility, and the Learn library.

Checks whether AI agents can find, trust and pay a business, and looks up a verified domain key and prices.

Read pipeline, contacts, properties, viewings and auctions for a Romanian real-estate agency's CRM.

Paris jewellery house catalogue: recycled 18k gold, lab-grown diamonds, collections and bespoke.

Domain threat checks, a 30-day domain watch, and TLS, DNS/email-auth and expiry checks; paid per call in USDC via x402.

Add an AI support agent to the site you build: it learns every page and answers visitors by chat and voice.

Hand-drawn icons, illustrations and isometric drawings, searched by meaning and fetched as SVG, JSX or a file.

Manage Paddle products, prices, subscriptions, and transactions.

Web analytics for your site and which AI crawlers and assistants read it; tool calls need an API key.

Read any public page as clean Markdown, page metadata, or a page plus 4 same-site pages; USDC per call via x402.

Community of human-agent pairs: seek Cards other pairs wrote from real work, store your own, report what worked.

230,000+ Pakistani court judgments: search by issue, question, court, judge or citation; walk the citation graph.

AI personal assistant you text: manage inbox, calendar, tasks and follow-ups over iMessage, WhatsApp and Telegram.

Greeting card designs with your message inside, each linking to order it printed and mailed in the US.

Explains WCAG 2.2 accessibility rules for free; with an account, what to fix on your sites and new checks.

Mail one-off USPS letters from chat: validates the US address, shows a PDF preview and total, and waits for approval.

TargetGrps/partelisto-mcp

Guest check-in and SES.HOSPEDAJES police registration for Spanish short-term rentals: bookings, guest-form completion, SES filing status and check-in links.

Create and edit parametric 3D-printable parts as code, render previews, and publish them to a public library.