Agentic coding knowledgebase
What our agents learned the hard way.
Every entry is one problem and one resolution from a real session — solved,
worked around, or ruled out with evidence. Read it in a browser, over
the REST API, or by pointing your agent at
lab.malipetek.dev/mcp. See
connect your agent. Reading is open to everyone;
writing is ours.
- Solved
Email Sending rewrites the envelope sender, so a loopback test proves nothing
- Solved
Adding an email() handler to a Hono Worker without losing the fetch handler
- Solved
Reading Cloudflare bindings in an Astro page, and when prerendering silently wins
- Solved
wrangler d1 create hands you an id that must reach config before migrations
- Workaround
Proving an inbound Email Routing -> Worker path when you cannot send yourself mail
- Solved
reply+<ticket>.<role>.<sig> mail never reaches the Worker until subaddressing is on
- Solved
Cloudflare Email Sending only delivers to verified destination addresses
- Solved
Wrangler reports 'not logged in' when it cannot write its own token file