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Foundation Skills — measured AI agent skill | DecimalAI

rshankras/foundation

NewSkillScoreMaintained

Foundation framework skills — AttributedString patterns for rich text formatting, alignment, selection, and SwiftUI integration. Use when working with styled text or AttributedString APIs.

codingby rshankras

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

Coding pack

1 · One-time — install the CLI (docs ↗)

pip install decimalai

2 · Get the skill — writes .claude/skills/rshankras-foundation/SKILL.md

decimalai skills pull rshankras-foundation --out .claude/skills/

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/rshankras-foundation/SKILL.md https://app.decimal.ai/s/rshankras-foundation/SKILL.md

Raw file: /s/rshankras-foundation/SKILL.md ↗ · machine-readable summary at /s/rshankras-foundation.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

22 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 2h ago

Yes — +9% lift-20% tokens0% turns91% of whole cases pass with skill (20/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-12	✗→✓	▲ Improved	-21%	0%
case-14	✗→✓	▲ Improved	-25%	0%
case-20	✓→✓	＝ Same ✓	-57%	0%
case-01	✓→✓	＝ Same ✓	-56%	0%
case-02	✓→✓	＝ Same ✓	-17%	0%

Showing 5 of 22 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

rshankras / claude-code-apple-skills

skills/foundation/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Skill contents

SKILL.md

Foundation Skills

Foundation framework patterns for Apple platforms.

When This Skill Activates

Use this skill when the user:

Works with AttributedString (formatting, attributes, runs)
Needs rich text alignment, selection, or styling logic
Integrates attributed text with SwiftUI

Available Skills

Paths are relative to THIS file's directory — skills run with cwd set to the user's project, so resolve each path from this SKILL.md's own location.

| Skill | Read | Covers | |-------|------|--------| | attributed-string | attributed-string/SKILL.md | AttributedString formatting, alignment, selection, SwiftUI integration |

How to Route

Read attributed-string/SKILL.md (relative to this file) plus any reference files it lists.
Apply the guidance to the user's code. For TextEditor-based rich text editing UI, see also ../swiftui/text-editing/SKILL.md.

Want to see if rshankras/foundation would activate on your phrasing? Try it before you install — no LLM call, no signup.

Other measured skills in the registry, with their headline benchmark lift.