Tutorials, recipes, and best practices for working with the Model Context Protocol.
A curated, live-tested catalog of the MCP testing resources that actually matter in 2026 — the official Inspector, browser tools, eval platforms, CLI runners, security scanners, registries, and the docs worth bookmarking.
A practical 7-step process for testing MCP servers in 2026 — from the first Inspector connection to evals in CI. Built around the three-layer test pyramid, with the exact commands, gotchas, and the latest spec rules.
MCP Agent Studio is more than a chat box — it is a tuning bench for AI workflows. Here is how to use it to pick the right model, cut token waste, and design multi-step agents that do not burn credits.
Connect any MCP server to MiniMax M3, M2.7, or M2.5 in about 60 seconds — paste the URL, pick the model, watch every tool call live. Plus the full MiniMax lineup, the OpenAI/Anthropic-compatible API, and how MiniMax\u2019s own MCP server fits in.
Connect any MCP server to Grok 4.3 — using xAI’s Remote MCP Tools, the OpenAI-compatible Responses API, Grok Build CLI, or the Grok Connectors UI. Step-by-step code, real limits, and how Grok stacks up against Claude and GPT-5.4 in May 2026.
On April 28, 2026 Anthropic shipped 9 Claude connectors for creative tools — Adobe (50+ apps), Blender, Ableton, Splice, Autodesk Fusion, SketchUp, Affinity by Canva, and both Resolume apps. What each does, how to install, and how to reuse them with any MCP client.
Step-by-step guide to testing any MCP server with Moonshot AI Kimi K2.6 — the open-weight 1T-parameter agent model that leads on MCPMark, Toolathlon, and tool-invocation success. No API keys, no setup, no code.
Connect any MCP server to DeepSeek V4-Pro or V4-Flash in 60 seconds — paste the URL, pick the model, start chatting. Plus head-to-head benchmarks against Claude Opus 4.7 and GPT-5.4.
Hosted MCP server use cases — chat with Stripe, Postgres, Jira, GitHub and more in 30 seconds. No Docker, no infra. Deploy free on MCP Playground.
Spin up a hosted MongoDB MCP server in seconds — or self-host the official mongodb-mcp-server. Connect Claude, GPT-5, Gemini or DeepSeek and run queries, aggregation pipelines and schema audits in plain English.
Connect Claude (or GPT, Gemini, Grok) to Datadog with the official Bits AI MCP server. Triage alerts, query metrics, search logs and pull APM traces in plain English. No OAuth dance required — two API keys and you are live.
Step-by-step guide to testing any MCP server with Z.AI GLM — GLM 5.1, GLM 5 Turbo, and GLM 4.5 Air — using MCP Agent Studio. No API keys, no setup, no code.
Step-by-step guide to testing any MCP server with ChatGPT Developer Mode, the OpenAI Responses API mcp tool, the OpenAI Agents SDK, and Codex CLI. Code samples, security pitfalls, and the read-only vs write asymmetry no one warns you about.
A five-layer method to test an AI agent with MCP servers — Inspector for schema, MCP Playground for the LLM layers, Promptfoo for regression. Cheap models first, frontier models last.
An AI agent + MCP setup is an LLM that can reach external tools and data through the Model Context Protocol — three swappable layers, one open standard, and the default architecture for any agent that touches the world outside its context window.
Claude Desktop locks you to one model and requires a local install. Here are seven tools that let you connect any MCP server from your browser — no setup, any AI model you want.
Connect HubSpot, Slack and Linear to a single AI agent and manage your entire sales pipeline from one conversation — no tab switching, no copy-pasting. Exact setup using the official MCP servers for each tool.
Connect GitHub, Cloudflare and Sentry to one AI agent — inspect commits, check Worker deployments, triage production errors and trace a Sentry alert back to the offending commit without switching tabs.
A customer success agent that pulls Stripe billing, Slack conversations and Linear tickets into a single chat — see a customer's full health picture in one prompt, spot churn signals early, and log follow-ups without switching tools.
Learn how to build MCP Apps — add interactive dashboards, forms, and charts to MCP servers. Covers the ext-apps SDK, security model, framework support, and step-by-step code examples.
Step-by-step guide to testing any MCP server with Google Gemini — Gemini 3.1 Pro, Gemini 3.1 Flash Lite, Gemini 3 Flash, and Gemma 4 — using MCP Agent Studio. No API keys required.
We compared 30+ AI models on real MCP tool calling — including Claude Opus 4.6, GPT-5.4, Gemini 3.1 Pro, GLM-5.1, Grok 4.20, DeepSeek V3.2 and more. Here is what BFCL V4, MCP Atlas, and TAU2-Bench actually show in April 2026.
Step-by-step guide to testing any MCP server with Alibaba Qwen — Qwen 3.6 Plus, Qwen3.5 397B, Qwen3 235B, and Qwen3 30B — using MCP Agent Studio. No API keys required.
MCP Agent Studio lets you have a real AI conversation that drives your MCP server's tools — no code, no config, just paste a URL and start chatting. Here's how it works and how to get the most out of it.
An MCP agent is what happens when you give an AI model the ability to call your MCP server's tools — in a loop, reasoning step by step. Here's how it works, why it matters, and how to try it yourself.
Every MCP tool definition is sent to the model on every single request — even tools that never get used. A server with 50 tools can burn 10,000+ tokens before your first message. Here's how to measure it and fix it.
Playwright MCP lets Claude run and fix browser tests in a closed loop. GitHub MCP turns a natural language prompt into a full PR. Supabase MCP writes migrations and updates RLS from one message. Here are 5 copy-paste workflows that save hours every week.
Model Context Protocol 2026 roadmap explained: MCP joined the Linux Foundation on Dec 9, 2025. MCP Apps shipped Jan 26, 2026 with 9 launch partners. Google's A2A protocol now shares governance. Every spec change, breaking change and what developers should ship next.
Reddit's eCPM is $2.29 versus Meta's $11.73 — but most advertisers never unlock why certain subreddits convert and others don't. The Reddit Ads MCP server gives Claude live access to your campaigns, ad groups, and community-level performance data. Here are five workflows built for Reddit's unique signals.
GitHub's official MCP server gives your AI assistant direct access to repos, PRs, issues, Actions, security alerts, and code search — 105+ tools covering the entire GitHub workflow.
Complete guide to deploying remote MCP servers on the top 5 cloud platforms. Compare Vercel, Railway, Render, Heroku, and Fly.io — pricing, cold starts, Redis support, code examples, and which platform to choose for your MCP server.
Railway’s official @railway/mcp-server: verify CLI auth, list/create projects, deploy services and templates, manage environments and env vars, generate domains, and pull logs—documented on docs.railway.com.
Vercel’s official Model Context Protocol server at mcp.vercel.com: search docs, manage projects and deployments, debug build and runtime logs, domains, protected previews, deploy from your AI client, and project-specific URLs—per Vercel’s own documentation.
Claude Desktop MCP config path: ~/Library/Application Support/Claude/claude_desktop_config.json on Mac, %APPDATA%\Claude\claude_desktop_config.json on Windows. Full file paths and JSON format for Cursor mcp.json, Claude Code, Cline, Continue, Zed and Lovable — with copy-paste examples.
You built (or found) an MCP server and want to see what it actually does before wiring it into your editor. This guide shows you how to test any remote MCP server from your browser in under a minute — no local installation, no config files.
Datadog's remote MCP server (GA March 2026) bridges the gap between AI coding agents and live production observability. Query logs, metrics, traces, and incidents directly from Claude Code, Cursor, or GitHub Copilot — no tab-switching required.
A real attacker needs under 3 minutes to find your exposed MCP server on Shodan, enumerate every tool without credentials, and exfiltrate database tokens. This is the server owner's breach playbook: CVE-2025-6514 (CVSS 9.6), the Clawdbot mass breach (17,903 servers), MCP Sampling abuse, supply chain attacks — and the free scanner that shows you exactly what attackers see when they hit your URL.
Most advertisers optimize each platform in a silo and never see the full picture. The real waste in paid media isn't inside Google Ads or Meta — it's in the gap between platforms. With Claude connected to all your ad accounts simultaneously via MCP, you can ask one question and get an answer that spans Google, Meta, Amazon, LinkedIn, TikTok, Pinterest, X, and Snapchat at once.
Every developer who publishes a remote MCP server eventually hits the same wall: how do I stop anyone on the internet from calling my tools? This guide covers three practical approaches — API key bearer tokens for internal tools, Cloudflare Access for zero-code protection, and full OAuth 2.1 with PKCE for public servers — plus the five security mistakes that lead to account takeovers.
Snapchat reaches 90% of 13–24 year olds — but most advertisers never get past surface-level metrics. Swipe-up rate, story completion rate, and AR lens engagement tell a story that Ads Manager buries in manual exports. The Snapchat Ads MCP server gives Claude live access to your campaigns, ad squads, and creative data. Here are five workflows built for the platform's unique signals.
Cloudflare Workers is the fastest path from MCP idea to globally deployed server — zero cold starts, 300+ edge locations, and a free tier covering 100k requests/day. This guide covers both the McpAgent (Agents SDK) and workers-mcp approaches with real TypeScript code, KV storage, wrangler deployment, and Claude Desktop connection.
X Ads offers genuinely unique capabilities — keyword targeting based on what people tweet, lower CPMs than Meta, and real-time audience access that no other platform matches. The X Ads MCP server gives Claude live access to your campaigns and engagement data. Here is what actually works, what does not, and when X should be in your media mix.
TikTok's algorithm rewards speed. The brands winning on TikTok Ads in 2026 are rotating creative faster, catching fatigue earlier, and reallocating budget in hours — not weeks. The TikTok Ads MCP server gives Claude live access to your campaigns, video metrics, and audience data. Here are five workflows that change how you run TikTok paid media.
Pinterest is the only ad platform where users arrive already planning to buy. Save rate, closeup rate, and shopping catalog performance tell a story no other platform can — and most advertisers never read it. The Pinterest Ads MCP server gives Claude live access to your campaigns, Pin metrics, and product data. Here are five workflows built for e-commerce.
The Google Ads MCP server gives Claude live access to your campaign data. Here is how to connect it, which of the four available servers to use, and five real PPC workflows that replace hours of manual work.
Amazon's official MCP server launched in open beta February 2026, giving Claude live access to Sponsored Products, DSP, and Amazon Marketing Cloud. Here is how to connect it and five workflows that replace hours of manual PPC management.
LinkedIn drives 75–85% of B2B social leads, and most of that spend is managed manually. The LinkedIn Ads MCP server gives Claude live access to your campaign data, audience demographics, and lead gen forms. Here are five workflows that cut CPL and save 10+ hours a week.
Zapier MCP gives Claude live access to 8,000+ apps. Here are 10 practical automations — from morning briefing agents to lead enrichment pipelines — you can set up today without writing a single line of code.
Step-by-step guide to building an AI standup bot that reads your Slack channels and Gmail inbox, synthesises key updates, and posts a daily summary to your team channel automatically. Uses Slack MCP + Gmail MCP + Claude.
The era of manually exporting CSVs to analyze ad performance is over. Learn how the Meta Ads MCP server connects Claude directly to your Facebook and Instagram campaigns — with live data, real automation workflows, and verified results from real teams.
Everything you need to know about Claude MCP Apps — the January 2026 update that lets AI render dashboards, forms, and charts directly in Claude. Covers how it works, all 10 launch partners, security model, and how to build your own MCP App.
MCP and REST API solve different problems. Learn the key architectural differences between Model Context Protocol and REST — stateful vs stateless, JSON-RPC vs HTTP verbs, tools vs endpoints — and when to use each in 2026.
Compare every free MCP server hosting option in 2026. Deploy to Cloudflare Workers, Vercel, FastMCP Cloud, mcphosting.io, or a VPS — with step-by-step setup for each platform.
The definitive troubleshooting guide for MCP server errors. Fix error -32000 (connection closed), timeouts, authentication failures, transport mismatches, and more — with step-by-step solutions for Claude Desktop, Cursor, and VS Code.
How to containerize and deploy an MCP server for production. Covers Dockerfile, Docker Compose, StreamableHTTP transport, security hardening, and scaling patterns for cloud deployment.
Build multi-agent AI systems that use MCP servers for tools. Practical guide with CrewAI and LangChain examples — connect agents to GitHub, databases, and any MCP server.
A practical comparison of MCP, function calling, and REST APIs for AI agent development. Covers architecture differences, pros and cons, and when to choose each approach.
Manage orders, refunds, and products with AI. Use the official Stripe MCP and Shopify Storefront MCP to look up payments, issue refunds, search products, and handle customer queries—all from natural language.
Detailed comparison of PostgreSQL MCP and Supabase MCP servers. Learn the differences in tools, auth, setup, and use cases. Includes step-by-step configs for Claude Desktop and Cursor, plus when to use each.
Context7 is an MCP server that fetches up-to-date library documentation so your AI assistant can reference current APIs instead of relying on training data. Setup guide for Cursor, Claude Code, VS Code, and more.
The biggest security threats to MCP servers and agents in 2026: tool poisoning attacks, prompt injection, rug pulls, and the OWASP MCP Top 10. Learn how to scan with mcp-scan and protect your setup.
Connect Claude to PostgreSQL with the official Postgres MCP server. Run natural language queries, explore schemas, and build an analytics agent. Includes Claude Desktop and Cursor setup, read-only SQL, and Next.js/Node.js agent patterns.
Claude Code MCP config lives in ~/.claude.json (user scope) or .mcp.json (project scope). Full file paths on Mac, Windows and Linux, the claude mcp add command syntax for HTTP/SSE/stdio transports, all 3 scopes explained, and the best MCP servers for Claude Code in 2026.
ChatGPT now supports MCP servers. Learn how to connect MCP servers to ChatGPT via the OpenAI Agents SDK — hosted tools, Streamable HTTP, stdio, and ChatGPT Apps. Includes working Python examples.
Spin up a hosted Playwright MCP server in seconds — or run the official Microsoft Playwright MCP locally for Claude, Cursor and Claude Code. Automate browsers with AI using accessibility snapshots; no vision models required.
Learn to build a Model Context Protocol server in Python using FastMCP. Step-by-step tutorial with tools, resources, Claude Desktop integration, and testing. From zero to a working MCP server in 15 minutes.
Auto-generate READMEs, API docs, and code summaries with AI. Use GitHub MCP and Filesystem MCP to read repos and source files, then produce documentation. Perfect for keeping docs in sync with code.
Summarize support tickets and conversations with AI. Use Intercom MCP and Zendesk MCP to pull recent tickets, generate daily digests, and highlight urgent issues. Perfect for support leads and CX teams.
Automate file sorting and organization with AI. Use Filesystem MCP and Google Drive MCP to sort downloads, organize folders, and keep your files tidy using natural language. No manual drag-and-drop.
The awesome MCP servers list you can actually test online. 70+ curated Model Context Protocol servers — Supabase, GitHub, Stripe, Notion, Figma, Linear, Slack, Sentry, Atlassian, HubSpot, Neon — plus 25+ remote HTTP servers you can connect with one URL. Updated for 2026.
Learn how to use AWS MCP servers to connect Claude and Cursor to Amazon Web Services. Setup guides for S3, Lambda, EC2, DynamoDB, and more AWS services.
Learn about remote MCP servers and how to test them online without local installation. Discover public MCP servers you can connect to instantly from your browser.
Step-by-step guide to building an automated AI code reviewer that analyzes GitHub pull requests, suggests improvements, and posts comments. Uses GitHub MCP + Claude.
Learn to build an AI assistant that converts natural language questions into SQL queries. Query databases using plain English with Supabase MCP and Claude. No SQL knowledge required.
Stop manually creating Jira tickets after meetings. Learn to automatically extract action items from Notion meeting notes and create Jira tasks using AI. Save hours every week.
Step-by-step guide to configure MCP servers in Claude Desktop for April 2026. Covers the official GitHub MCP server (Docker), Supabase, Playwright, Desktop Extensions (.dxt), and remote MCP via Custom Connectors.
Cursor IDE MCP config lives in ~/.cursor/mcp.json (global) or .cursor/mcp.json in your project. Full mcp.json format, where to find the file on Mac and Windows, and copy-paste examples for Playwright, GitHub, Notion, Linear and 20+ more MCP servers.
Curated list of the most useful MCP servers for developers. Includes GitHub, Supabase, Playwright, Notion, Slack, and more with setup instructions.
Learn how MCP discovery works and why it matters. This guide explains how clients discover tools, what happens during initialization, and common mistakes to avoid when building MCP servers.
Learn how to wrap existing REST APIs as MCP tools so AI clients can safely and reliably call them. This guide shows you how to create a thin, safe layer between AI and your APIs using Node.js + MCP.
Learn how to build a basic MCP server using Node.js, step by step. This guide shows you how to create a clean, typed API for AI with validated inputs and predictable JSON output.
Learn how to publish your MCP server to the official MCP Registry so others can discover and use it. Includes testing tips and best practices for a smooth submission process.
Once you give an LLM access to tools, files, or APIs through MCP, things get real very quickly. Here are practical approaches we learned by trial, error, and occasionally mild panic.
A simple guide for ensuring security, reliability, and correct behavior. Learn how QA teams can effectively test MCP servers before they ship to production.
Are MCP servers secure? Learn MCP server security best practices, risks, and how to protect your systems. Complete guide to securing Model Context Protocol servers.
Most LLM apps hit the same wall quickly: they need fresh context and the ability to call real systems, without piles of custom glue code. That is exactly what the Model Context Protocol gives you.
Chat with Claude, Gemini, GPT-5 and 30+ AI models using your MCP server tools — live in your browser.
Sign up free