← home skalpel

the magic

route coding costs down, eval-gated.

here's what skalpel does for your stack.

works with claude code and codex. build anything. same output, cheaper models when evals hold.

what you bring: your agent, your keys, your workflow.

claude code codex

the workflow

four beats. one attach. same diffs.

  1. 01

    you code

    claude code or codex. full price on every call. costs climb fast.

  2. 02

    you attach

    one line. skalpel proxies your agent. your prompt never changes.

  3. 03

    you save

    cheaper models carry the work when evals hold. eval-gated routing, from the first run.

  4. 04

    you build

    anything. same diffs. zero quality loss. ship the same week.

proof

eval-gated model routing
day 1 routing starts

cheaper models when evals hold · same diffs · ship the same week

see it work

4:32
routing graph and savings dashboard in motion.

the numbers

monthly coding spend

attach once. routing starts on the first run.

without skalpel full price
with skalpel routed

where your calls go routing engines

eval-gated routing. cheaper models when quality holds.

16 api calls
eval gate
12 haiku
4 sonnet

side by side

same diffs. same week. less paid for.

without with skalpel
model routing sonnet-only eval-gated haiku / sonnet
cost basis full price every call cheaper models when evals hold
quality loss baseline zero measured
weekly diffs 1.0× 1.0×

start now

one line. then attach.

npm install -g skalpel skalpel attach

works with claude code and codex · byok · fail-open

quality?
zero measured loss. evals re-run every ship.
privacy?
nothing stored. never trained on your prompts.
cost?
solo is free, byok. team is per-seat — details coming.