"A coding assistant that references online package documentation when writing code" matching MCP connectors:

Line9A

ai.line9

Render Mermaid with Line9 layout in your assistant.

dot•requirementsAOAuth

io.dotrequirements

Write product documentation to share with your whole team, including testable specifications.

uml.singsk.com PlantUMLA

com.singsk

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

Commission a multi-model AI spec committee from your agent; get rubric-scored, build-ready specs.

Create and edit architecture diagrams from your AI agent; get an SVG and a live editable canvas.

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+.

Design spec + milestones AI coding agents read before building; drift flagged, changes reviewed.

CanvsA

io.github.voronkovm

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

MantleKit Launch PlannerA

dev.mantlekit

Generate MantleKit setup plans and launch-ready SaaS blueprints from a product idea.

Send a coupling matrix, get zone classifications and optimal factorization strategy.

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.

Give your AI agent a persistent map of your project's structure, dependencies, and bugs.

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

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to control Unreal E…

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

MiroOAuth

io.github.miroapp

Official Miro MCP server - Supports context to code and creating diagrams, docs, and data tables.

Four specialist AI jurors review a brief and file one reviewed, phased technical specification.

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.

Code → ДСТУ/GOST 19.701-90 (ISO 5807) flowcharts: 10 languages, 8 export formats, OAuth