"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Read-only access to your own crypto portfolio across 11+ exchanges and 20+ chains: holdings, full history, FIFO cost basis and P&L, fees and income. Ask Claude or ChatGPT about your portfolio; the connector can never trade, move funds or act as a login.
Backtest and analyze any portfolio, incl. nested multi-strategy ones: returns, risk, factors, guides
Ask your website analytics in plain language and set up funnels, features and dashboards.
Human-agent interface for projects: you prioritize and decide, your AI agents execute. Over MCP.
Performance, risk, comparisons, backtests and screening for US stocks and ETFs, with charts.
fivebar’s MCP server lets Claude, ChatGPT, Cursor and other MCP clients read your cookieless, privacy-friendly web analytics and explain what changed, where traffic and signups came from, and which pages are slow. It can also install and verify the tracking tag from your coding agent, and connects with OAuth, read-only by default, with no API key needed.
Query your databases and build dashboards, Streamlit apps and reports your team logs in to.
MappaIQ is the first open marketplace for commercial real estate listings with an MCP connector, letting brokers and buyers search live CRE listings from Claude or ChatGPT. Brokers drop in a spreadsheet and get a live, shareable map with parcel data — free to start at mappaiq.com.
Geospatial workspace: manage sources and maps, run spatial analysis, and publish interactive maps
Live, editable canvas of your agent hierarchy — watch, interrupt, and reroute runs mid-flight.
Turn data into infographics (PNG/SVG): 90+ templates, or KPI cards, charts, timelines and maps.
Live US sector rotation: 30 sector baskets ranked every session, versioned rosters, daily record.
Turn your data into map images of countries, states, counties and ZIP codes with Ultimaps MCP server. Each map comes with a link to Ultimaps Studio, where you can keep editing it, export it, or publish an interactive version. No account needed: 30 maps per hour, PNG up to 1600px, with Ultimaps attribution.
Web analytics that names the fix: funnels, replays, errors, page speed and SEO for your site.
Analyse App Store and Google Play reviews in Claude: counts, trends and real quotes for any app.
Create choropleth, category and pin maps of countries, states, counties and ZIP codes as images.
No-signup IoT backend: device names, sensor readings, history and live charts. No API key needed.
Turn a description of your team into an editable org chart. Free, no signup.
Maths lessons on an online whiteboard: solutions, worksheets, graphs and geometry, opened by a link
claude-opus-4-6-high leads Arena coding at 1535. Anthropic has held #1 for 280 days, but Z.ai.