"Free Tools for Online Searches" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
Architecture docs and patterns for NestJS + Nuxt full-stack apps
40+ production-ready SwiftUI recipes for building full-stack iOS apps via MCP.
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.
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.
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.
Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.
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
- StructuraOAuth via extensiontools.structura
Design domain models and generate deterministic multi-stack code, driven by your coding agent.
EN Diagram — structural verification for concurrent systems. Pure math, no AI.
Evidence-backed architecture-quality analysis for Python agent applications.
AI-native Day 0 modernization platform for PRDs, architecture, work orders, and code transformation.
- LucidOAuthapp.lucid.mcp
Lucid’s connector creates diagrams, searches, edits, shares, and retrieves docs to summarize.
Code intelligence platform for AI agents. 20 tools for architecture, security & impact analysis.