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A free, plug-and-play knowledge base with over 10,000 built-in insight reports and support for parsing private documents.

Read-only access to your own portfolio and watchlists plus Instaport's public datasets: SEC statements (10-K/10-Q), insider trades (Forms 3/4/5), 13F super-investor holdings, Congress STOCK Act trades, FINRA short interest, earnings calendar, options data and economic calendar. Instaport computes every number deterministically; the agent reads them. No trading path. Remote streamable-http server at https://mcp.instaport.ai/mcp, OAuth sign-in with an Instaport Pro account (30-day free trial with signup).

The best agent monetization tool: free search, clear rev-share, 10M+ commerce/travel/local offers.

Independent verification for autonomous agents: pre-trade/pre-action review returning approve/reject verdicts with signed proofs (free /verify-proof), public on-chain-checkable verdict ledger; pay-per-call via Lightning, USDC (x402), or card.

Create, send and track invoices from Claude, Cursor or any MCP client. Hosted server for InvoiceBloom, a free invoicing app for freelancers and small businesses: find or add clients, draft invoices with line items and tax, email them with a PDF and payment link, mark them paid, list what is overdue.

Invoice by Ouroboros Apps: freelance invoice line items, rates, due dates, and late terms

Invoice to Excel with the math checked: reads PDFs, scans and photos into fields and line items, checks lines, tax and total, returns Excel, CSV or JSON. Free trial.

Validate IBAN, BIC/SWIFT, EU VAT (+ live VIES), UK VAT and US EIN for accounts-payable agents. Remote Streamable HTTP MCP. Paid via RapidAPI (free Basic plan); free demo at /demo/mcp.

Create and preview self-contained web apps in iPhone, Duo, iPad, and Headless views. Includes seven starter tools and games, browser-local app code saving, and HTML export. Free remote MCP server with no API key.

Create a free sandbox object storage bucket; upload, download, list, inspect, and delete objects.

Read-only reference data for ISO 20022 financial messaging. Look up Bank Transaction Codes, map legacy SWIFT MT, NACHA and CHAPS messages to ISO 20022, and see which payment schemes use a message. Free, no authentication.

Israeli invoice payment gate for AI agents. Checks VAT arithmetic and allocation-number applicability, resolves the supplier against public company-registry evidence, and returns PAY, HOLD, or BLOCK. Also company verification, company changes ($0.01), and vendor payment-risk. Free previews + x402 USDC on Base Mainnet. No API key. Status: Mainnet live, awaiting first external paid call.

Generate a privacy policy, cookie policy, and terms and conditions, and set up a cookie consent banner, all from your AI assistant. Policies are built from the services your site actually uses, and a cookie scanner finds trackers on your live site. Covers GDPR, ePrivacy, CCPA and other US state privacy laws. Works in Claude, ChatGPT, and any MCP client with OAuth, on every iubenda plan including free.

Verified event-services providers across France: search by trade and city, SIRET verification, free quote requests, 0% commission.

Render Blender scenes on cloud GPUs from AI agents (Claude, ChatGPT, Codex, Cursor). Send a .blend, a bpy script or a glTF/FBX/USD file and get a 4-frame preview, a time estimate, then final frames or an MP4. Remote MCP with OAuth or stdio via pip. Free up to 500 JPY of GPU time per new key, then 0.1 JPY per GPU-second.

OmniX is the fast, affordable X (Twitter) API — one key for full read & write access (tweets, users, DMs, media, articles), no official X developer account needed. Start free.

An employer-direct job postings API: every field marked published or inferred, closed roles keep their history, free stats to check coverage, MCP for AI agents.

Search live job postings from 30+ job boards, ATS feeds and public employment services, normalized into one schema; read a posting in full; save a search as a signal to be notified of new matches; detect a company's tech stack. Remote server with OAuth sign-in, free account to start.

Detect fake recruiter & job-offer scams with free OSINT

jpcite — Japan public-program MCP server. 11,684 subsidies + 9,484 e-Gov laws + 22,258 enforcement cases + 13,801 invoice registrants + 166K corporate entities. 93 tools. Evidence Packet with source_url + fetched_at + known gaps. ¥3/req metered, 3 free per IP daily. Anonymous trial, no signup.

A free public REST API for testing and prototyping, powered by JSONPlaceholder.

Road routing and fleet optimization for Southeast Asia from any MCP client. Calculate driving and motorcycle routes, travel-time matrices, geocoding, and multi-vehicle delivery plans via the JustRouting API. Free tier; API key required.

DePIN telemetry for 370+ networks with live data, every value with source, as_of and an upstream verify URL. Free API key; $5 credits on the first 3 keys per IP per 30 days.

Boards and cards from chat: drag-free kanban with columns, WIP limits and done summaries. All local.

Read-only MCP server built into the free Kantan Analytics WordPress plugin. Ask Claude about your site's visits, pages, traffic sources, conversions, visitor journeys, clicks and scroll depth. Data stays in your own WordPress database. Kantan SEO adds keyword, Search Console, site health and AEO tools on the same endpoint (/wp-json/kantan/mcp). Needs WordPress 6.9+ and the MCP Adapter plugin.

Verified keyboard shortcuts for Windows, macOS, Linux, ChromeOS, iOS, Android and 45+ apps (VS Code, Cursor, Excel, Figma, Photoshop, Slack, Vim and more). Search by action, look up what a key combo does, and translate shortcuts between Windows and Mac. Every record links its official source. Free remote server, no API key.

Kiin is a LinkedIn Ads MCP for B2B teams. Ask Claude or ChatGPT about live ad accounts: audits, creative fatigue, demographics, company engagement, and influenced pipeline from HubSpot, Attio, or Pipedrive. Reads are deep; writes for campaigns, groups, targeting, creatives, and audiences use preview-then-confirm. Includes Kiin k-anonymous panel benchmarks and monitoring. Connect at get.kiin.co; remote MCP at mcp.kiin.co. Free tier available.

A native Mac app that runs Claude or Codex on a schedule, or the moment an email, text message, feed item, or file arrives, so the work happens whether or not a chat is open. Each assistant gets its own API key, scoped to the mail accounts, folders, calendars, and actions you choose. Set up in a normal macOS settings window, no JSON files, Node, or Python. Works with Claude Desktop (one-click install), Claude Code, Codex, and any MCP client. Synced data stays on your Mac. Free tier with no time limit.

One memory for you and your AI agents, shared by ChatGPT, Claude, Codex, Cursor, Gemini and any MCP client. Free to start.

MCP server for Yandex Direct, Yandex Metrika, Wordstat. Manage campaigns, get analytics, research keywords via natural language. Works with Claude, ChatGPT, Cursor. Free trial 3 months.