"Services or tools available for free without requiring an API key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
An automated first pass over your architecture: structured intake in, verdict report out — every finding cited to its rule, an improvement map, and a plain NOT ASSESSED list of what was not examined. US$99 one-time; human-led tiers above it — Verified at US$749 and a Deep Dive (Principal Review) at US$5,000 cover adjudication and live-evidence work.
Vedic and Western astrology for AI agents: charts, dasha, matchmaking, panchanga, numerology, tarot.
Turn Mermaid or an indented outline into an editable flowchart link. Completely free, no API key.
Human-agent interface for projects: you prioritize and decide, your AI agents execute. Over MCP.
Turn calls and notes into process flow diagrams in Claude, ChatGPT, VS Code, Cursor, and Teams.
Lint and diff DESIGN.md files with the official Google linter, or write one from a web page.
Simulate cloud infrastructure and estimate cost before deploying or changing infrastructure.
Create and edit flowcharts, mind maps, wireframes, and docs in Whimsical, or search your workspace.
Patterns for designing and reviewing AI skills, agents, and multi-agent workflows. Find guidance on context economy, delegation, verification, and tool design; inspect claims, worked examples, maturity labels, and source references. Five read-only tools let agents discover relevant patterns, compare concise cards, read specific sections, and explore relationships. Hosted Streamable HTTP at https://agentic-atlas.dev/mcp/ — no installation, account, or API key required. Browse the atlas at https://agentic-atlas.dev/.
Search thousands of B2B conferences, see every speaker and sponsor, look up where a company speaks or sponsors, and rank events by fit with the people you sell to.
Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.
Spec-driven development MCP server: 8 phases, bi-directional traceability, 7 quality gates.
Architecture docs and patterns for NestJS + Nuxt full-stack apps
Evidence-first architecture workbench: 48 deterministic tools, 10 architect personas, any cloud
30+ deterministic dev and delivery tools: linting, metrics, diagrams, model advice, AI-text checks.
Immutable agent diagrams: create, edit, validate and render versioned diagrams over MCP.
40+ production-ready SwiftUI recipes for building full-stack iOS apps via MCP.
AI visibility audits, llms.txt and schema generators, instant quotes, missed-call and ROI tools.
Software design skills for AI coding agents, inspired by A Philosophy of Software Design.
Read-only CodeAtlas service catalog: list, get and search services. No authentication.
Architecture diagrams, explanations and Mermaid source for public GitHub repositories.
Draw Hola Cloud gives AI agents a visual canvas for creating and sharing diagrams. Through a simple MCP interface, agents can draw architecture diagrams, system designs, workflows, sequence diagrams, flowcharts, infrastructure layouts, and other visual explanations using shapes, connectors, text, icons, and images. The server lets an AI build a complete diagram programmatically and return a shareable Draw Hola Cloud URL that can be opened in the browser, edited, presented, or shared with others.
Neutral, sourced, dated facts for choosing software: price, free tier, idle rules, security record.
Project management methodology graph: route planning, stage-gate decisions and plan checks.
Idea to buildable dApp spec
Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.
Build Spring Boot applications, ready for coding agents, including best practices.
Commission a multi-model AI spec committee from your agent; get rubric-scored, build-ready specs.
Services, case studies, articles and contact details of software architect Dan Podina.
Read consulting services and search public architecture consulting documents in English or German.
