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terse-sentence

A house-style rule, off until a decisions table turns it on: it reports a sentence of agent instructions over 25 words.

What it catches

A sentence of agent instructions over 25 words.

Dimension

economy: words that carry nothing. A finding is counted on the dimension of its rule, the cost it names to the reader.

Why

House style: every word an agent loads costs context in every session. Measured 2026-10-07 over the short form of 18 skills, 1264 sentences ran p50 14 words, p90 30; the cap sits below p90.

Default decision

The code is PRF7001. The decision depends on the kind of text judged:

Kind Default
agent-brief off

House style ships off: the rule encodes one repository's conventions, not a rule of plain writing. A repository turns it on in its decisions table.

Changing it

A decisions table sets this rule to deny, advise or off, for everything judged or for the files a glob matches. Proofread reads the table from the file its -decisions flag names:

{
  "rules": {"terse-sentence": "deny"},
  "paths": {"blog/**": {"terse-sentence": "off"}}
}

rules applies to every file. A glob in paths applies to the files it matches, and the last match wins. A rule set to off never reports.

Seeing it

A finding names the rule, its code and the decision that applies, and links here:

{"rule": "terse-sentence", "code": "PRF7001", "decision": "deny", "url": "https://eli.gladman.cc/magus/reference/proofread/terse-sentence/"}

proofread rules prints this entry with every other rule's.

See also

proofreadrulesterse-sentenceoff
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Glossary

CI

An ordinary target you compose yourself with ctx.needs; magus does not hardcode its stages. It is the anchor magus affected ci keys off, and ci strips the rw charm. CI in full.

Agent

A model working through an agent host such as Claude Code, Codex, Cursor or OpenCode. magus treats an agent as one more caller of its CLI, MCP tools and console, held to the same checks as a person. Agent in full.

Skill

A packaged set of instructions an agent host loads when a task matches its description: a directory holding a SKILL.md. magus ships its magus-* skills in the binary and writes them with magus agent install. Skill in full.

Session

An agent host's conversation, by the id the host delivers to its hooks. magus never mints one: a record with no session is unattributed, and the OS user it carries says whose account ran it. Session in full.

Conventions

This page uses none of the site's convention markers. The full set is on the conventions page.