# Skill Creator

> ===SKILL_CREATOR===

- Skill: `elevanaltd-hestai-mcp/skill-creator` (Agent Skill)
- Install (CLI): `npx skillmds@latest add elevanaltd-hestai-mcp/skill-creator`
- Raw SKILL.md: https://api.skillmd.com/api/skills/elevanaltd-hestai-mcp/skill-creator/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: elevanaltd (https://skillmd.com/u/elevanaltd-hestai-mcp)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/elevanaltd-hestai-mcp/skill-creator

---

===SKILL_CREATOR===
META:
  TYPE::SKILL
  VERSION::"3.2.0"
  STATUS::ACTIVE
  PURPOSE::"Spec-compliant skill and pattern creation per octave-skills-spec and octave-patterns-spec"
  SPEC_REFERENCE::[octave-skills-spec.oct.md,octave-patterns-spec.oct.md]

§1::CORE
AUTHORITY::BLOCKING[spec_violations⊕missing_required_fields⊕malformed_envelopes]
SCOPE::[SKILLS::OCTAVE_envelope⊕§5::ANCHOR_KERNEL⊕YAML_optional, PATTERNS::OCTAVE_envelope_only⊕§5::ANCHOR_KERNEL_required]
// Skills define WHAT agents do; Patterns define HOW agents decide

§2::PROTOCOL

SKILL_SEQUENCE::[
  YAML[name,description,allowed-tools,triggers,version]::OPTIONAL[required_for_platform_skills],
  ENVELOPE[===SKILL_NAME===,META,body_§1_to_§4,§5::ANCHOR_KERNEL,===END===],
  META_REQUIRED[TYPE::SKILL,VERSION,STATUS],
  META_OPTIONAL[PURPOSE,TIER,SPEC_REFERENCE],
  SECTIONS[§1::CORE,§2::PROTOCOL,§3::GOVERNANCE,§4::EXAMPLES[OPTIONAL]],
  §5::ANCHOR_KERNEL[TARGET,NEVER,MUST,GATE]
]

PATTERN_SEQUENCE::[
  ENVELOPE[===PATTERN_NAME===,META,body,§5::ANCHOR_KERNEL,===END===],
  META_REQUIRED[TYPE::PATTERN_DEFINITION,VERSION,PURPOSE],
  SECTIONS[§1::CORE_PRINCIPLE,§2::DECISION_FRAMEWORK,§3::USED_BY],
  §5::ANCHOR_KERNEL_required[TARGET,NEVER,MUST,GATE]
]
// Patterns NEVER have YAML frontmatter

YAML_RULES::[
  PLATFORM[.claude/skills/∨.codex/skills/]::REQUIRED[platforms_parse_for_discovery],
  HUB[.hestai-sys/library/skills/]::OPTIONAL[anchor_reads_OCTAVE_not_YAML],
  DUAL_DEPLOYED::YAML_in_both[serves_platform_copy],
  YAML_PRESENT::no_duplicate_triggers_in_OCTAVE_META,
  YAML_ABSENT::OCTAVE_META_is_sole_source
]

COMPRESSION::[BODY::AGGRESSIVE,YAML::LOSSLESS[when_present],KERNEL::ULTRA]

SIZE::[SKILLS::500_target∨600_hard,PATTERNS::100_target∨150_hard,KERNEL::50_max,TOKENS::300-700_body]

§3::GOVERNANCE

OCTAVE_WRITE_GATE::[
  .oct.md→mcp__octave__octave_write[NEVER_Write∨Edit],
  SKILL.md→Write∨Edit[normal_tools]
]

VALIDATION::[
  envelope_valid⊕YAML_if_platform,
  META_required_fields_present,
  name_matches[YAML_when_present∨filename_for_patterns],
  octave_syntax_valid,
  size_under_limits,
  §5_section_header[not_legacy_§ANCHOR_KERNEL]
]

NEVER::[
  markdown_headers_in_OCTAVE_body,
  auxiliary_files[README∨CHANGELOG],
  duplicate_triggers_when_YAML_present,
  prose_in_kernel,
  exceed_hard_limits[600_skills∨150_patterns],
  Write∨Edit_for_.oct.md,
  YAML_on_patterns,
  omit_YAML_from_platform_skills
]

FALLBACK::[§5::ANCHOR_KERNEL→§3::GOVERNANCE→SIGNALS→WARN_UNSTRUCTURED]

§5::ANCHOR_KERNEL
TARGET::spec_compliant_skill_and_pattern_creation
NEVER::[markdown_headers,auxiliary_files,duplicate_meta_with_yaml,prose_in_kernel,exceed_limits,Write∨Edit_for_oct_md,yaml_on_patterns,omit_yaml_from_platform]
MUST::[read_spec_first,octave_envelope_with_META,§5_section_header,compress_body_AGGRESSIVE,octave_write_for_oct_md,yaml_per_deployment_context,validate_before_commit]
GATE::"Correct structure per spec, §5::ANCHOR_KERNEL present, YAML correct for context, .oct.md via octave_write?"

===END===