CtrlK
BlogDocsLog inGet started
Tessl Logo
SkillPublic

caveman-compress

Compress a memory file such as CLAUDE.md or a todo list into caveman format to save input tokens, keeping a readable backup. Sends the file's text to the configured model provider. Trigger: /caveman-compress.

Quality

86%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide
SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

88%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A strong, actionable skill body: an exact runnable command, explicit validation and retry handling around a destructive overwrite, and concrete before/after examples. The only notable improvements are trimming minor repetition and considering whether the detailed compression rules belong in a separate reference file.

DimensionReasoningScore

Conciseness

The body is efficient and skill-specific (compression rules, before/after patterns) with only minor over-explanation, e.g. the backup location is stated in both Purpose and Boundaries and the Trigger anti-pattern note is wordy.

4 / 5

Actionability

Provides the copy-paste ready command "python3 -m scripts <absolute_filepath>" with concrete run context, plus specific compression rules and Pattern examples covering common cases — fully actionable for an instruction-only skill.

5 / 5

Workflow Clarity

The destructive overwrite is explicitly guarded: backup before overwrite, "validate output", "cherry-pick fix... retry up to 2 times", and "leave original file untouched" on failure — a clear sequence with validation checkpoints and feedback loops.

5 / 5

Progressive Disclosure

Well-organized sections with heavy logic correctly externalized to real one-level-deep bundle files ("scripts/" and "scripts/__main__.py" both exist), though the ~50-line inline Compression Rules section could arguably live in a reference file.

4 / 5

Total

18

/

20

Passed

Description

78%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A specific, distinctive description that clearly states what the skill does and names its domain with concrete actions. Its main weakness is that the trigger guidance is limited to the /caveman-compress slash command rather than natural-language phrases a user might say.

DimensionReasoningScore

Specificity

Names the domain ("memory file such as CLAUDE.md or a todo list") and several concrete actions ("Compress... into caveman format to save input tokens", "keeping a readable backup", "Sends the file's text to the configured model provider"), but coverage has minor gaps such as which file types are in scope.

4 / 5

Completeness

The "what" is clear and multi-part, and "Trigger: /caveman-compress." is explicit trigger guidance (avoiding the cap at 3), but the "when" rests solely on the slash command with no natural-language trigger phrases, matching the anchor where 'when' could be more explicit.

4 / 5

Trigger Term Quality

Good natural keyword coverage ("compress", "memory file", "CLAUDE.md", "todo list", "input tokens") that users would plausibly say, though common synonyms ("shrink", "condense") and file extensions (.md, .txt) are missing.

4 / 5

Distinctiveness Conflict Risk

"Compress a memory file... into caveman format" carves out a clear niche with distinct triggers (caveman compression of memory files) and minimal overlap risk with other skills.

5 / 5

Total

17

/

20

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository

JuliusBrussee/caveman

Path

skills/caveman-compress/SKILL.md

Reviewed

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.