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Claude Bell · majiayu000 | DecimalAI

agent toolingby majiayu000

Claude Bell

majiayu000/claude-bell

Source majiayu000/claude-skill-registry ↗License MIT

Use when you need to alert the user outside the terminal, get confirmation before proceeding, or collect text input. Triggers include task completion, errors requiring attention, destructive operations needing approval, or questions requiring user decision.

SkillScore95Maintained

Automatic

Coding pack

Last verified 8/19/2026

What it changes

Passed 21 of 22 test cases with the skill, and 6 of 22 without it.

Without skill27%

With skill95%

Checks it passed that the model alone missed

Includes --sound Glass flag
Points to references/cli.md
Recommends running cb doctor

and 15 more in the full report

15 fixed6 passed either way1 still failing0 broke

Pass-rate lift: +68 pp
Tokens: -38%
Agent turns: 0%
Response time: -67%

Model gemini-3.6-flashMeasured 8/19/2026v121 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/majiayu000-claude-bell/SKILL.md https://app.decimal.ai/s/majiayu000-claude-bell/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add majiayu000-claude-bell, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

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

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/majiayu000-claude-bell/ and pins it in .decimal/skills.lock

decimalai skills add majiayu000-claude-bell

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

curl -fsSL --create-dirs -o .claude/skills/majiayu000-claude-bell/SKILL.md https://app.decimal.ai/s/majiayu000-claude-bell/SKILL.md

Raw file: /s/majiayu000-claude-bell/SKILL.md ↗ · machine-readable summary at /s/majiayu000-claude-bell.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 15 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 15

Prompt

If the notification CLI fails due to missing macOS system permissions or host OS notification system restrictions, which exit code is returned?

What was checked, without and with the skill
Checked	Without skill	With skill
Identifies exit code 4 as system permission error	Missed	Passed

case-10 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md53 linessingle file

Claude Bell

Send macOS notifications to communicate with users outside the terminal.

When to Use

Use for:

Task completion (build done, tests passed, deploy finished)
Errors requiring attention
Confirmation before destructive operations
Collecting text input (release notes, commit messages)
Status updates during long operations

Don't use for:

Routine progress updates (use terminal)
Information user is actively watching
Rapid-fire notifications (spam)

Quick Reference

Pattern	Command
Alert	`cb -t "Done" -m "Build complete"`
Alert with sound	`cb -t "Done" -m "Build complete" --sound Glass`
Yes/No	`cb -t "Deploy?" -a "Yes,No" --default "No"`
Multiple choice	`cb -t "Action" -a "A,B,C,Cancel" --default "Cancel"`
Text input	`cb -t "Notes" -r "Enter notes..." --timeout 5m`
Template	`cb --template build-done --var 'project:myapp'`

Exit Codes

Code	Meaning	Action
0	Success	Proceed with returned value
1	Timeout	Use `--default` value
2	Dismissed	Use `--default` value
3	User error	Check arguments
4	System error	Check permissions (`cb doctor`)
5	App error	Report bug

Track record

Benchmark

21 / 22

test cases passed, vs 6 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

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

View 15 scanner checks

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

majiayu000 / claude-skill-registry

skills/agent/claude-bell/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

Claude Bell

When to Use

Quick Reference

Exit Codes

Track record

Benchmark

Adoption

SkillSafety

Source

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