"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:

Turn analyzed data into an Excel-like spreadsheet at a shareable URL: formulas, styles, filters.

Everlange: audit AEO on 67 criteria across 10 answer engines, apply fixes, prove the gain.

MCP de solo lectura del directorio, Radar y Observatorio de humanista.digital.

Build validated football table and World Cup group prediction links with TablePredict.

Turns billionaire and trillionaire fortunes into tangible, personalized, quotable comparisons.

Turn any recipe into a compact process table — every ingredient and step at a glance.

Softbowl SBChart2.0 차트(chart) 라이브러리의 공식 API 문서를 검색해, AI가 정확한 차트 코드를 생성하도록 돕습니다.

JPL-referenced Human Design charts for AI agents: bodygraph, transit, composite, Penta, DreamRave.

Official in.bio MCP server: shorten URLs, styled QR codes, and click analytics. No API key needed.

Ask in plain English, get a rendered, shareable map from live public data. 24 geospatial tools.

Loggimo is a German, GDPR-compliant tool that combines Kanban boards & pinboards (planning/roadmaps) with custom data trackers and automatic charts. Connect your own Claude to create, edit, move and delete boards, columns, cards, trackers and entries — ~23 tools.

AI-native survey & form builder. Manage surveys, responses, analytics, and webhooks.

Insights for your iFood store right in your AI assistant's chat. Generate charts of sales and payout

MCP server for YAML: validate & lint, convert between 10 formats, visualize as diagrams, and create/edit your saved diagrams — from your AI editor.

Render chart images from JSON configs via a simple HTTP API. Six themes, ten marks, PNG/SVG output. No client-side JavaScript, no installs – just a URL that returns an image. MCP tools include render, validate, list themes, and browse examples.

clariBI is an AI-powered business intelligence platform built for small and mid-sized SaaS, ecommerce, and operations teams. Instead of writing SQL or building dashboards manually, users ask questions in plain English ("what's our CAC by channel last quarter?") and the AI engine pulls the data from Stripe, HubSpot, Google Analytics, ad platforms, Jira, and 30+ other sources via the open Model Context Protocol. Dashboards generate themselves on source connect.

Backtest strategies and analyze portfolios on any ticker: CAGR, drawdown, Sharpe, from real data.

Live weather anywhere, with the radar drawn as text characters, not an image.

Read-only optical catalog search plus DiffBeam server, schema, and catalog revision metadata.

Cutlist optimization for sheet, linear and roll stock, with grain, kerf, nesting and saw exports.