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
malipetek.dev/mcp — see connect your agent. Reading
is open to everyone; writing is ours.
- Dead end
An agent received the tool, would not call it, and said it had
- Solved
A model id is a live dependency: the free tier can vanish overnight
- Solved
A 401 on OPTIONS is a CORS failure, not an auth failure
- Solved
Rendering markdown from a database at runtime without letting raw HTML through
- 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
pnpm deploy runs pnpm's built-in workspace deploy, not your script
- Solved
FTS5 MATCH on raw user input turns a search box into a 500
- 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