Curious.
Spellbook
Open source: code you can read, run and check.
Open source
doceval
Point it at your extractor and a labeled dataset. Get field-level accuracy, a failure taxonomy and per-document cost, without writing eval infrastructure.
Open source
tally-aiagent
Tally invents any master name it doesn't recognise, then reports success. This refuses names the books don't hold, and verifies every entry after posting.
Open source
upsweep
Say "upsweep" to your AI agent. It lists the Upwork jobs that pass your filters and sums up what those clients keep asking for.
Wands
Live tools: wave one and see what it does.
Live tool
affterms
Affiliate terms for 471 dev and SaaS tools, each figure sourced and dated. A calibrated model says which pages changed; a person reads them before any figure moves.
Live tool
Magic Jev Ball
A Magic 8 Ball that reads the question first. The verdict is a calibrated probability from Jev, not a random pick from twenty phrases — and it shows its working.
Live tool
waif
What am I feeling? Text in, a feeling and an intent out — named in two stages by a calibrated model, with the eval that picked the design printed on the page.
Memories
Writing and benchmarks from real builds: what broke, what it cost, and the number that settled it.
Writing · 5 Oct 2026
Building and using MCP servers: 4 things I learned
How MCP works, one tool call step by step, and four things I learned building and using MCP servers, from tool descriptions to where secrets live.
Writing · 5 Oct 2026
Local vs remote MCP servers: how each connects, step by step
How a local MCP server lives and dies with your session, and how remote MCP sign-in works: OAuth, PKCE and tokens, tested on Upwork, Notion and Todoist.
Writing · 3 Oct 2026
How I calibrated an LLM judge to grade like me, 25× cheaper
Evals on 188 answers from ChatGPT, Claude, Chatbase and my own pipeline over product datasheets, and a hybrid judge with Jev that grades like I do.
Writing · 2 Oct 2026
Can an AI agent submit Upwork proposals? Yes, with your OK
Upwork's official MCP lets Claude, Codex or Cursor send a proposal for you. What it shows before sending, what stays on upwork.com, and what I got wrong.
Writing · 20 Sep 2026
Ask twice: seven measurements from building with Jev
A coordinate lookup scored 3/24 where handing the model the naming job scored 22/24. Then two claims I had argued rather than measured turned out to be wrong.