"Free servers available for testing purposes" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
GodPrompt MCP + Agent Skill for coding agents with TDD, debugging, verification, and task routing.
Memory for AI agent teams across tools, sessions, repositories, and teammates.
Path-scoped project memories, rules and skills for coding agents, on your machine or Pathrule Cloud.
Build and edit real websites from ChatGPT, Claude or Cursor in Swebsy's visual editor. Sign in with a free Swebsy account and your agent adds sections, edits text and styles, and manages pages in your open Swebsy Studio tab, where you see every change and can tweak it by hand. Export static HTML/CSS/JS or publish one site free. No install, no per-token fees.
Intelligence for your AI agents: what they need to know, at the moment they decide. NEXUS connects Claude Code, Claude, ChatGPT, Cursor and OpenClaw to one shared record of your decisions, rules and past incidents, so an agent doesn't repeat a costly mistake or undo what was already decided. What one agent learns, the others already know. Every item is graded (measured, reported or inferred), outdated facts are marked as superseded, and contradictions are flagged. Before an important action, agents can call antes_de_actuar to get the rules that apply. Remote server with OAuth. Free plan, no credit card: https://nexus.eblas.link
Collide is an MCP layer that keeps concurrent AI agents from stepping on each other in a shared codebase. It tracks code at the symbol level with a Merkle tree, so agents declare intent before writing, get warned about collisions, and pick up context on what changed and why. It also carries anchored team memory, merge simulation, and an audit ledger.
Execution pack generator for AI coding agents – describe your project, get a self-contained ZIP with task spec, verification gates, and recovery procedures
UI Verify is visual regression testing built for coding agents. Connect the MCP server and your agent (Claude Code, Cursor, Codex) pulls a pull request's UI changes into the conversation, views each visual diff, reads the AI judge's verdict of regression vs intended change, and accepts the intended baselines - all over MCP.
Measured design systems decoded from 588 real products, for coding agents.
Finds real, maintained open-source repos that fit your project. MCP grounding for coding agents.
Build and publish full-stack web and mobile apps on Floot from any MCP client. Building is free.
Tested, version-pinned code recipes for AI coding agents, each with its last-passed receipt.
Token-efficient search for coding agents over public and private documentation.
AI app builder and APK maker for Android. Create and edit apps without coding.
tasklite.net: hosted backend, REST API and admin for apps built by AI agents
Official Duck Framework MCP server for AI-assisted development and project scaffolding.
Signs up to your live app like a new person and shows what breaks. Every app gets one free check.
Change-aware CI validation and affected-test guidance for coding agents.
Practices for building software with coding agents, each with a test you check on your repo.
Software design skills for AI coding agents, inspired by A Philosophy of Software Design.
