Harnessmeter — Development skill for Claude Code
A profiler for your agentic harness.
How to install Harnessmeter
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open alebgl77/harnessmeter and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Harnessmeter does
A profiler for your agentic harness. Price every line of CLAUDE.md, every skill, subagent and MCP tool schema — then find the ones that don't earn their place. Zero API keys, zero network. Claude Code, Codex, Antigravity.
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README
You have 4,000 lines of `CLAUDE.md`, twelve subagents, eight MCP servers, and **zero tests**. Someone edits one line and the behaviour of your whole team shifts, silently.
We have profilers for CPU, memory, SQL, and JS bundles. We have **none for context** — the scarcest resource in agentic engineering. Every token of your harness is loaded on *every turn*, of *every session*, of *every developer*. Nobody can tell you which lines pay for themselves.
`harnessmeter` prices them.
The frame
**Your context window is a commons with no rent.** Every instruction occupies space for free, forever, regardless of what it produces. Two things follow, and you've felt both:
CLAUDE.mdonly ever grows.- At 4,000 lines, nobody dares delete anything, because nobody can prove what's load-bearing.
So we give every block a **lease**: a measured price, a measured yield, a
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