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Measured, not paraphrased.

Notes from running the gate. What MCP servers return when we connect to them, why they fail, and what a tools/list call actually tells you. Every figure carries the date we measured it.

10 min read

Remote MCP Server vs stdio: What a Public Address Costs

A remote MCP server is the only kind a stranger can verify. What a public address costs you against local stdio, what it buys, and what to check first.

mcp transport stdio streamable http

11 min read

MCP OAuth Is Optional: What 1,039 Servers Actually Do

MCP OAuth is optional in the spec, not mandatory. What 1,039 registry servers actually do about it, and the two sentences we had to correct.

mcp oauth authentication registry

12 min read

Best MCP Servers [2026]: The List of 53 We Called

A list of 53 MCP servers we called: the 14 that answered, with tool counts and names, and the 30 that asked for a credential. Every row dated.

mcp servers connection tests rankings

12 min read

MCP Server Connection Failed? Most Failures Are Not [2026]

Most MCP server connection failures are not failures. What a 400, 404 or 405 actually proves, and the retry rule most clients skip. Check your own endpoint.

mcp troubleshooting connection tests transport

9 min read

How to publish an MCP server, and get anyone to install it

The six mcp-publisher steps, checked against the official docs. Then the job every tutorial skips: getting somebody to actually install the thing.

mcp registry publishing launch

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