verifier.org

LSP plugin family

the agent sees real compiler errors instead of guessing

free — Apache-2.0#typed-languages-where-th

probably the best objective quality-per-token win available — automatic post-edit diagnostics mean the model fixes its own type errors in the same turn.

eleven first-party plugins covering typescript, python, go, rust, java, kotlin, c#, c/c++, php, lua and swift. they enable claude code's built-in lsp tool, which gives two things: automatic diagnostics after every edit, and real code navigation — definitions, references, hover types, call hierarchies.

the diagnostics loop is the valuable half. instead of writing code, finishing, and discovering type errors later, the model sees the compiler's actual complaint immediately and corrects it in the same turn. that is real ground truth rather than pattern matching.

the description above is ours, condensed from the ranking. pricing moves — check it on the vendor's own page before you rely on it.

pricing
free — Apache-2.0
website
github.com
our verdict

probably the best objective quality-per-token win available — automatic post-edit diagnostics mean the model fixes its own type errors in the same turn.

we researched this category against vendors' own pricing pages and licence files. that is where this line comes from — not from the vendor, and not from anything they paid for.

more claude code plugins

claudekit

hooks, subagents and commands packaged as one installable toolkit

#hooks#toolkit

ccstatusline

configurable status line showing model, context use and session cost

#statusline

ccusage

reads local session files to report token use and cost per project

#usage#cost

frontend-design

we checked thisfree — Apache-2.0

the single most-installed plugin there is

#anyone-generating-ui-who