"Identifying Servers Without Any API Key Configuration" matching MCP connectors:

A free, no-auth, computation-only MCP server that makes billionaire/trillionaire wealth tangible.

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

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.

Turn analyzed data into a real Excel-like spreadsheet at a shareable URL: cells, formulas, tables.

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.

AI-powered 3D globe control via MCP. 43 tools for CesiumJS — camera flight, GeoJSON/3D Tiles layers, entities, animation, spatial analysis, heatmaps, and more. Connect any MCP-compatible AI agent to control a CesiumJS 3D globe through natural language.

Privacy-first, cookie-free web analytics: create sites, install and verify tracking, read stats.

Ask your app anything — revenue, errors, read-cost, growth — and get rendered charts back.

Marketing-measurement MCP: dashboards, cross-channel queries, integrations, and knowledge files.

Bar-first MCP server for Tabula chart authoring, PNG rendering, and editor handoff.

Generate org charts, MCD/ERD data models, and C4 architecture diagrams — pilot OrgGen AI via MCP.

SimStim enables agents to push live content to the physical world - displays on any WiFi-connected screen. OAuth Google sign-in required,

12 deterministic graph-theory tools for structural analysis. Describe systems in EN syntax — get topology, bottlenecks, blast radius, critical paths. No AI inside the computation.