CtrlK
BlogDocsLog inGet started
Tessl Logo

claude-code-plugin-development

This skill should be used when the user asks to "create a plugin", "build a plugin", "write a plugin", or wants to bundle agents, hooks, commands, skills, or MCP servers into a distributable Claude Code plugin.

Invalid
This skill can't be scored yet
Validation errors are blocking scoring. Review and fix them to unlock Quality, Impact and Security scores. See what needs fixing →
SKILL.md
Quality
Evals
Security

Evaluation results

92%

32%

Code Review Plugin for Claude Code

Plugin directory structure and manifest

Criteria
Without context
With context

Manifest location

0%

100%

Components at root

100%

100%

Required name field

100%

100%

Relative paths in manifest

50%

100%

CLAUDE_PLUGIN_ROOT in hook

0%

100%

Hook event name casing

75%

100%

Skill directory structure

100%

100%

Command format

50%

100%

Script stub present

100%

100%

Post-creation message

0%

0%

Version and description in manifest

100%

100%

92%

57%

Add a Build-Verification Command to an Existing Plugin

Script execution via Bash tool in commands

Criteria
Without context
With context

No ! backtick usage

100%

100%

Bash tool in allowed-tools

0%

100%

CLAUDE_PLUGIN_ROOT in allowed-tools

0%

100%

Script invoked via Bash block

46%

100%

Command file location

0%

100%

Command has description

0%

100%

Backtick failure explanation

90%

100%

Simple git backtick exemption

57%

100%

Script executable note

0%

0%

96%

45%

Internal Plugin Marketplace for Engineering Org

Marketplace structure and plugin registration

Criteria
Without context
With context

Marketplace manifest location

0%

100%

Marketplace name field

100%

100%

Marketplace owner field

33%

100%

Plugins array in marketplace.json

100%

100%

Plugin entries have required fields

25%

100%

Plugin source paths are relative

0%

100%

Each plugin has its own plugin.json

100%

100%

release-please test-runner entry

100%

100%

release-please infra-tools preserved

100%

100%

Setup notes mention marketplace registration

37%

100%

Setup notes mention debug verification

0%

100%

Plugin not installable without marketplace.json

20%

60%

Repository
dwmkerr/claude-toolkit
Evaluated
Agent
Claude Code
Model
Claude Sonnet 4.6

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.