Technical guides
Problem-based guides for developers. Each one explains a real failure mode, shows how to diagnose it, and gives you working code — no fluff.
Why your n8n AI agent's HTTP calls time out (and how to fix them)
Set timeouts, retries, and error handling on HTTP Request nodes — and lint exported workflow JSON for the nodes you missed.
How to test your MCP server for prompt injection
A safe, local methodology: scan tool descriptions, send adversarial arguments to your own server, and know what good vs bad looks like.
Are AI crawlers blocked by your robots.txt?
Which AI crawlers matter, how User-agent groups resolve, and a worked example with the resulting allow/block matrix.
Cleaning up HubSpot duplicates before a migration
The dedup workflow — export, normalize, match, review, merge — with runnable Python normalization examples.
How x402 / HTTP 402 payments work for APIs and agents
The 402 flow, machine-readable payment requirements with a real JSON example, and non-custodial verification.
Publishing your MCP server.json without getting rejected
Required fields, the 5 most common rejection reasons with broken vs fixed snippets, and a local validator.
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