Guides
Not rehashed tutorials — judgments reverse-engineered from site-wide health data. Free guides build understanding, member guides give you ready-to-use checklists and templates.
Best MCP servers for business, sales and marketing
A ranked shortlist of MCP servers for CRM, ads, analytics, payments and email — scored on public maintenance and adoption signals, not on who paid us. The table is regenerated from live data, so it does not go stale.
2026-07-30 · ~4 min
Fixing "spawn npx ENOENT" in Cursor's MCP config
Cursor reports spawn npx ENOENT when it cannot find the npx binary — almost always a PATH problem caused by how GUI apps are launched, not a broken server. Here is how to confirm the cause and the three fixes that work.
2026-07-30 · ~4 min
claude mcp list: checking which MCP servers are actually connected
The claude mcp list command shows which servers Claude Code has registered and whether each one is connecting. A reference for the command, how to read its output, and what to do when a server shows as failed.
2026-07-30 · ~3 min
How to get a YouTube transcript into Claude
Three ways to give Claude the text of a YouTube video — copy-paste, an MCP server that fetches transcripts on demand, or a download tool — with the trade-offs and limits of each.
2026-07-30 · ~3 min
mcp-remote: connecting stdio-only clients to remote MCP servers
mcp-remote is a proxy that lets MCP clients which only speak stdio connect to remote HTTP servers, handling OAuth along the way. What it does, when you need it, and when you do not.
2026-07-30 · ~4 min
Can Claude generate images? What MCP does and doesn't change
Claude cannot draw images itself — it is a text and vision model. But with an image-generation MCP server connected, it can call an external model to produce them. Here is the honest distinction and how to set it up.
2026-07-30 · ~3 min
RAG vs MCP: they solve different problems (and work together)
RAG and MCP are often compared as if you must pick one, but they answer different questions. RAG is about retrieving knowledge; MCP is about giving a model live access to tools and data. Here's when each applies.
2026-07-30 · ~4 min
A2A vs MCP: agent-to-agent communication vs model-to-tool access
A2A and MCP are both protocols in the agent ecosystem, but they operate at different layers. MCP connects one model to tools; A2A lets independent agents talk to each other. They are complementary, not competing.
2026-07-30 · ~4 min
MCP vs CLI: when to expose a tool as an MCP server instead of a command
A CLI and an MCP server can wrap the same underlying tool, but they are built for different callers — humans at a terminal versus a model in a conversation. Here's how to decide which to build, or whether to build both.
2026-07-30 · ~3 min
MCP error -32001: request timed out — causes and fixes
The -32001 error means an MCP request did not get a response within the time limit. It is a symptom, not a root cause — here is how to find out which of the usual culprits is behind it and what to do about each.
2026-07-30 · ~3 min
Hosting an MCP server: local, self-hosted, or managed
MCP servers can run on your own machine, on infrastructure you host, or as a managed remote service. The three models differ in effort, security surface and who can reach them — here's how to choose.
2026-07-30 · ~4 min
Awesome MCP servers: a maintained list, ranked by real signals
A curated list of MCP servers that are actually maintained and actually used — generated from daily-collected GitHub, npm and registry data rather than hand-edited, so entries drop off when projects die.
2026-07-30 · ~3 min
How to Configure MCP Servers in Claude Code
A step-by-step guide to adding, configuring, and debugging MCP servers in Claude Code — the config file, the `claude mcp add` command, environment variables, and the errors people hit most.
2026-07-23 · ~1 min
MCP Proxy Server vs MCP Gateway: Which Do You Need?
"Proxy" and "gateway" get used interchangeably in the MCP world, but they solve different problems. Here's how to tell them apart and pick the right one for your setup.
2026-07-23 · ~1 min
Choosing an MCP server for your company: a due-diligence checklist
Installing successfully is only the start. This checklist turns public maintenance, licensing and security signals into a repeatable review before you connect a server.
2026-07-14 · ~2 min
10 MCP security red lines
An MCP server has every permission you grant it. If any one of these 10 red lines is crossed, uninstall immediately — no matter how useful it is.
2026-07-07 · ~3 min
Self-host vs remote server: cost, latency and trust model
The difference between a locally-run server and a cloud-hosted one is more than latency. The trade-off between three trust models decides where you draw your data boundary.
2026-06-30 · ~2 min
Before you move an MCP server into production
Timeouts, retries, concurrency, logging — the distance from demo to production lives in these details nobody writes down.
2026-06-22 · ~1 min