or run

npx @tessl/cli init
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Version

Files

docs

advanced-colors.mdbackground-colors.mdbasic-colors.mdcolor-support.mdconfiguration.mdindex.mdtext-styling.md

evals

scenario-1

rubric.jsontask.md

scenario-10

rubric.jsontask.md

scenario-2

rubric.jsontask.md

scenario-3

rubric.jsontask.md

scenario-4

rubric.jsontask.md

scenario-5

rubric.jsontask.md

scenario-6

rubric.jsontask.md

scenario-7

rubric.jsontask.md

scenario-8

rubric.jsontask.md

scenario-9

rubric.jsontask.md
tile.json

tessl/npm-chalk

Terminal string styling done right

Workspace
tessl
Visibility
Public
Created
Last updated
Describes
npmpkg:npm/chalk@5.6.x

With Tessl

Agent performance with Tessl

85%

Improvement

Agent performance improvement using Tessl

+5%

To install, run

npx @tessl/cli install tessl/npm-chalk@5.6.0
OverviewEval results

Assessment results

Generated

Agent Codex

Scenario 1

Text modifier helpers (bold/dim/italic/underline/etc.)

5%

Scenario 2

Color support detection per stream with flag/env overrides (supportsColor)

20%

Scenario 3

Truecolor and 256-color helpers via rgb/hex/ansi256 and background variants

14%

Scenario 4

Standard foreground colors with bright aliases

0%

Scenario 5

Standard background colors with bright aliases

0%

Scenario 6

Custom Chalk instances with configurable level plus chalkStderr

0%

Scenario 7

Chainable styling builder for strings

-3%

Scenario 8

Comprehensive TypeScript typings including deprecated aliases

9%

Scenario 9

Nested styling and multi-argument rendering

5%

Scenario 10

Exposed style metadata arrays for validation

0%