"Free web browsers or tools for browsing the internet" matching MCP connectors:

AsterwiseAOAuth

com.asterwise

Vedic and Western astrology for AI agents: charts, dasha, matchmaking, panchanga, numerology, tarot.

Agent-design pattern guidance via 5 hosted read-only tools; Streamable HTTP, no auth, one Release.

WhimsicalAOAuth

com.whimsical

Create and edit flowcharts, mind maps, wireframes, and docs in Whimsical, or search your workspace.

CleanSliceA

io.github.CleanSlice

Architecture docs and patterns for NestJS + Nuxt full-stack apps

Read consulting services and search public architecture consulting documents in English or German.

ShipSwiftA

io.github.signerlabs

40+ production-ready SwiftUI recipes for building full-stack iOS apps via MCP.

Create and edit collaborative architecture diagrams with any AI assistant using the Trident 2D DSL.

xmp4 — Semantic code knowledge for your stackA

ai.example4

OSS libs in your stack, really used: source, tests, callers. C#, Java, TS, Python, Rust, PHP+.

Read-only, source-backed compatibility lookups and approved changes for ResolveMesh's catalog.

CanvsA

io.github.voronkovm

AI-powered diagrams, mind maps, flowcharts on a free unlimited collaborative whiteboard

Geometry and CAD file metadata extraction for STL, OBJ, PLY, PCD, LAS/LAZ, glTF/GLB.

Provides UX capabilities to enhance the design output and understanding of AI systems.

AI Diagram Maker MCP ServerA

com.aidiagrammaker.mcp

MCP server for AI Diagram Maker — generate software engineering diagrams from natural language, code, ASCII diagram, images, or Mermaid. Inline diagram rendering using MCP apps UI and diagram URL in responses. Works with Cursor, Claude Desktop, Claude Code, and any MCP-compatible AI.

uml.singsk.com PlantUMLA

com.singsk

Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.

Design domain models and generate deterministic multi-stack code, driven by your coding agent.

MCP gateway with 10 tools for code analysis, architecture, package audit & security.

Interactive AI architect for Spec-Driven Development (SDD). Interviews developers and manages structured 4-file spec bundles (constitution.md, requirements.md, solution.md, tasks.md) with 31 tools for Cursor, Claude Code, and Windsurf.

Parse Excalidraw diagrams and documents into clean Markdown or structured JSON via x402 pay-per-call API. Agents pay per call with HTTP 402 micropayments — no signup, no API key. Free tier: 5 parses/day. Premium: $0.05/call unlimited with LLM decomposition.

The Decision Operations Platform for engineering teams

EN Diagram — structural verification for concurrent systems. Pure math, no AI.