Skill Creator
Azure/azqr
Create new skills, modify and improve existing skills, and measure skill performance.
Create, repair, audit or consolidate agent skills (SKILL.md packages).
Install Skill Builder
$ npx skills add boshu2/agentops --skill skill-builder -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install boshu2/agentops skill-builder --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/boshu2/agentops.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/skill-builder .claude/skills/skill-builder && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "skill-builder" agent skill from https://github.com/boshu2/agentops/tree/main/skills/skill-builder into .claude/skills/skill-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-builder", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/boshu2/agentops/tree/main/skills/skill-builderType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add boshu2/agentops --skill skill-builder -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install boshu2/agentops skill-builder --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/boshu2/agentops.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/skill-builder .agents/skills/skill-builder && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "skill-builder" agent skill from https://github.com/boshu2/agentops/tree/main/skills/skill-builder into .agents/skills/skill-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-builder", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add boshu2/agentops --skill skill-builder -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install boshu2/agentops skill-builder --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/boshu2/agentops.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/skill-builder .cursor/skills/skill-builder && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "skill-builder" agent skill from https://github.com/boshu2/agentops/tree/main/skills/skill-builder into .cursor/skills/skill-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-builder", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/boshu2/agentops.git --path skills/skill-builder--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add boshu2/agentops --skill skill-builder -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install boshu2/agentops skill-builder --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/boshu2/agentops.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/skill-builder .gemini/skills/skill-builder && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "skill-builder" agent skill from https://github.com/boshu2/agentops/tree/main/skills/skill-builder into .gemini/skills/skill-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-builder", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install boshu2/agentops skill-builderInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add boshu2/agentops --skill skill-builder -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/boshu2/agentops.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/skill-builder .github/skills/skill-builder && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "skill-builder" agent skill from https://github.com/boshu2/agentops/tree/main/skills/skill-builder into .github/skills/skill-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-builder", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add boshu2/agentops --skill skill-builder -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install boshu2/agentops skill-builder --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/boshu2/agentops.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/skill-builder .opencode/skills/skill-builder && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "skill-builder" agent skill from https://github.com/boshu2/agentops/tree/main/skills/skill-builder into .opencode/skills/skill-builder/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-builder", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
skill-builder- GitHub stars
- 447
- Used in
- 1 other repo
- Token cost
- ~2k tokens
- SKILL.md length
- 907 words
- Files
- 33 (incl. scripts, references)
- Skills in repo
- 31
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Create, repair, audit or consolidate agent skills (SKILL.md packages).
- Works in 5 steps: Find the existing owner. Search skills,… → Count independent occurrences. A new… → Name the consumer of every new artifact.… → …
- Its description
- SKILL.md covers Decide whether to create…, Choose the requested operation, Create and maintain and Conversion, plus 1 more section
- Runs Shell scripts from its folder
What it does
Skill Builder is an agent skill from boshu2/agentops. Create, repair, audit or consolidate agent skills (SKILL.md packages). Use when: writing or fixing a skill, its description or structure. Not for one-off lessons; use Memory.
Its SKILL.md is about 2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 36 other files, including scripts and reference files (for example `references/audit-checks.md`, `references/authoring-doctrine.md` and `references/build-mechanics.md`).
It sits in Agent Workflows, covering Skill authoring. The repository describes itself as: DevOps discipline for AI coding agents: shape the work, track it as a graph, and get each change judged by a context that didn't write it. The licence is Apache-2.0.
When your agent uses it
- Its description
- Tasks that involve Skill authoring
Example prompts
- “/skill-builder”
Requirements
- A Bash shell
Workflow steps
5 steps, taken from the first numbered list in SKILL.md.
- Find the existing owner. Search skills, references, checklists and
- Count independent occurrences. A new skill, gate, library or workflow
- Name the consumer of every new artifact. A proposed process artifact
- No action is a valid result, and so is a short addition to an existing
- A built package proves no benefit. Route behavioral benefit to
What it can do on your machine
Read from SKILL.md and the folder at commit 3bdbfed. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Ships 2 files in scripts/ (Shell, from the files we listed), which the agent can run.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Skill Builder loads about 2k tokens when it runs, and up to ~11k if it reads all its reference files. Until then it costs about 47 tokens; SKILL.md has 907 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.
SKILL.md
The full file from boshu2/agentops at commit 3bdbfed, republished under its Apache-2.0 licence (© boshu2). 907 words, ~2,011 tokens.
Download SKILL.mdSave it as
.claude/skills/skill-builder/SKILL.md (or your agent's skills folder). This skill also uses 32 other files; get the full folder from GitHub.- name
- skill-builder
- description
- Create, repair, audit or consolidate agent skills (SKILL.md packages). Use when: writing or fixing a skill, its description or structure. Not for one-off lessons; use Memory.
- practices
- pragmatic-programmer, refactoring
- hexagonal_role
- supporting
- produces
- skill-source-package, skill-hygiene-report, converted-skill, operationalization-proposal
- skill_api_version
- 1
- user-invocable
- true
- context.window
- fork
- metadata.capabilities
- skill_builder, heal_skill, export_skill, distill_expertise
- metadata.effects
- write_skill_source, write_build_report, regenerate_skill_projections, repair_skill_projections, write_converted_skill_projection, write_advisory_proposal
- metadata.canonical_status
- canonical
- metadata.disposition
- keep_specialist
Skill Builder
Create, repair, audit or export one canonical skill package, or turn supported expertise into a small authoring proposal.
Decide whether to create anything
Apply these before any creation step, including when the request already names the new skill or file it wants:
- Find the existing owner. Search skills, references, checklists and instruction files for one that already handles the behavior. Extend that owner rather than adding a root.
- Count independent occurrences. A new skill, gate, library or workflow needs three independently evidenced real occurrences and a successful reapplication to a source case without missing context. Fewer occurrences support only a narrow note in an existing owner; one incident is an observation, not a skill. An authoritative source supports only a faithful statement of that source.
- Name the consumer of every new artifact. A proposed process artifact (a report, ledger, counter, dashboard or tracker) needs a concrete consumer, the decision it informs, the observed defect it answers and a retirement condition. If any is missing, leave it out; code written only to consume it is no consumer.
- No action is a valid result, and so is a short addition to an existing owner. Say what the evidence supports before drafting, build only what the caller then authorizes, and return a proposal inline unless a durable one was requested.
- A built package proves no benefit. Route behavioral benefit to Skill Eval and acceptance judgment to Validate.
Choose the requested operation
| Need | Entry point |
|---|---|
| Create a source package | scripts/build.sh with from-scratch, from-template or absorb-external |
| Check package structure | scripts/heal.sh --check [--strict] skills/<slug> |
| Repair owned projections | scripts/heal.sh --fix skills/<slug> |
| Inspect audit evidence | `scripts/audit.sh [--profile canonical |
| Export to another platform | Conversion |
| Make repeated expertise reusable | Distill expertise |
Run only the selected operation. Skills remain optional tools within the native caller's authorized outcome; this skill does not add execution phases, own work, operate Git, validate a software candidate, or decide delivery and retries. Inputs, report destinations, exit codes and recovery from partial creation are in build and check mechanics.
Create and maintain
Treat external skills as structural signals only. Clean-room output must not
copy their names, prose, prompts, scripts or examples. from-template reuses
metadata defaults; absorb-external <slug> --from <path> verifies an input and
creates a blank source package. Neither imports another skill's content.
scripts/build.sh creates one incomplete source package containing only
SKILL.md with metadata.authoring_state: scaffold; helpers, references and
assets are conditional on the actual behavior. Replace the placeholders and
state applicability, inputs, authority, result, completion and failure in the
layout that makes them clear. Remove the scaffold state only after authoring
the behavior; strict source checks reject it. Removing it is an author
assertion, not proof of semantic completeness.
Edit skills/<slug>/ as the source owner. Check the completed source with
scripts/heal.sh --check --strict skills/<slug>, then regenerate its owned
projections through the repository's owning commands. Inspect the generated
diff; hand-edit no projection.
Creation is staged, not atomic. If a later stage fails, keep the created source and any report, capture the exit and diagnostic, and report source creation separately from projection and check completion. Never call a partial result a completed package or delete it to rerun creation. Missing required scripts, references or runtime support block only their dependent operation; name that resource and continue work that does not depend on it.
Check mode is read-only; fix mode regenerates owned projections for explicit
targets and invents no source behavior. The default audit reports static
conformance, located effects, behavioral evidence and non-gating authoring
suspicions separately, with no total, rating or aggregate verdict. Effects and
behavior stay NOT_PROVEN because the audit runs no skill or trial. Exact checks,
exit codes and the opt-in legacy schema live in audit checks,
authoring doctrine and
Codex parity.
Show full SKILL.md (283 more words)Show less
Conversion
Use bash skills/skill-builder/scripts/converter/convert.sh <skill-dir> <target> [output-dir] for an explicit out-of-tree export. Targets are codex, cursor
and test; --all selects all source packages, and --codex-layout inline
selects the legacy inline Codex layout. Read
SkillBundle when format details
matter. Parse the source once, render the target, then validate resource parity
and target format. Report layout and any omitted Cursor references.
The default export is .agents/projections/converter/<target>/<skill-name>/.
The exporter clean-writes its output directory, so use only the explicit derived
target: refuse a source package, its ancestor, or the repository root. Preserve
the source unchanged and fix the source or adapter instead of editing output.
A parse, write, format or required-resource failure leaves an incomplete export.
Every runtime, Codex included, loads skills/ directly; this ad-hoc exporter
never produces a shipped tree.
Distill expertise
When the caller wants a reusable rule, apply the decision rules above, then begin with cited occurrences or a named authoritative source. State the trigger, desired behavior, inputs, outputs, negative example and limits. Preserve short source excerpts or command results with resolvable citations. Use Research's pattern mode when the claim needs exemplars and a holdout before packaging. Show a negative or holdout case and how the proposed rule returns the right decision. Minimal recovery state needs a named evidence-loss or corruption risk.
Respect Memory's source and destination rules for mined material. Evidence cannot publish itself as policy. A proposal-only request ends with the proposal. Repair ordinary known defects within existing authority; tool failures remain explicit facts for the native caller, not an automatic helper chain.
For an actual package edit, use the source template for required fields and context density guidance when deciding which prose earns a place. Neither requires adding a new skill.
© boshu2, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 32 other files (scripts, references) in skills/skill-builder of boshu2/agentops.
- SKILL.md
- references/audit-checks.md
- references/authoring-doctrine.md
- references/build-mechanics.md
- references/codex-parity.md
- references/context-density-checks.md
- references/converter/skill-bundle-schema.md
- references/heal.feature
- references/skill-auditor.feature
- references/skill-builder.feature
- references/skill-conformance-profiles.yaml
- references/skill-template.md
- schemas/audit-report-legacy.json
- schemas/audit-report.json
- schemas/build-report.json
- scripts/audit-legacy.sh
- scripts/audit.sh
- … and 16 more
Open the folder on GitHubat commit 3bdbfed
Used in 1 other repository
We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in boshu2/agentops, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Skill Builder next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Skill Builder this skillboshu2/agentops | 447 | 1 repos | ~2k | Automated safety check: Pass | Apache-2.0 | |
| Skill CreatorAzure/azqr | 795 | 89 repos | ~8.2k | Automated safety check: Pass | Apache-2.0 | |
| Claude Code Skill Developer Guidediet103/claude-code-infrastructure-showcase | 10k | 11 repos | ~3.5k | Automated safety check: Pass | MIT | |
| Darwin Skill Optimizeralchaincyf/darwin-skill | 6.2k | 1 repos | ~4.7k | Automated safety check: Pass | MIT | |
| Claude Code Command Developmentanthropics/claude-plugins-official | 38k | 10 repos | ~4.8k | Automated safety check: Pass | Apache-2.0 | |
| Claude Code Plugin Structureanthropics/claude-plugins-official | 38k | 10 repos | ~3.4k | Automated safety check: Pass | Apache-2.0 |
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- Official
Claude Code Skill Developer Guide
diet103/claude-code-infrastructure-showcase
A guide to creating and managing Claude Code skills with auto-activation: skill-rules.json triggers, hooks, enforcement levels, YAML frontmatter and progressive disclosure.
Darwin Skill Optimizer
alchaincyf/darwin-skill
Scores SKILL.md files on a nine-dimension rubric, then improves them in a keep-or-revert loop with independent judge agents, test prompts, git history and human checkpoints.
- Official
Claude Code Command Development
anthropics/claude-plugins-official
Explains how to write Claude Code slash commands: Markdown files with YAML frontmatter, arguments, file references, bash context and interactive prompts.
- Official
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anthropics/claude-plugins-official
Explains the directory layout, plugin.json manifest and component organization of a Claude Code plugin, including auto-discovery and portable paths.
Skill Release Gate
rohitg00/ai-engineering-from-scratch
Evaluates an Agent Skill bundle before release for structure, trigger quality, artifact improvement, script correctness, safety, installed-tree integrity and host portability.
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Related
Categories
Questions about Skill Builder
What does Skill Builder do?
Create, repair, audit or consolidate agent skills (SKILL.md packages). Skill Builder is an agent skill from boshu2/agentops.md packages).
When should I use Skill Builder?
Skill Builder fits situations like: its description; tasks that involve Skill authoring.
How do I install Skill Builder in Claude Code?
Run `npx skills add boshu2/agentops --skill skill-builder -a claude-code`. Or copy the skill folder (skills/skill-builder in boshu2/agentops) into .claude/skills/skill-builder in your project. Claude Code loads it when a task matches its description.
How do I install Skill Builder in Codex?
Run `npx skills add boshu2/agentops --skill skill-builder -a codex`. Or copy the skill folder (skills/skill-builder in boshu2/agentops) into .agents/skills/skill-builder in your project. Codex loads it when a task matches its description.
Can I use Skill Builder in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add boshu2/agentops --skill skill-builder -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/skill-builder, .gemini/skills/skill-builder, .github/skills/skill-builder and .opencode/skills/skill-builder in your project.
What does Skill Builder need to run?
Going by SKILL.md and its folder, Skill Builder needs a shell for the scripts in its folder. Our summary lists: A Bash shell.
Does Skill Builder access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Skill Builder safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does Skill Builder use?
Skill Builder is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Skill Builder use?
About 2k tokens (SKILL.md is roughly 8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 8.6k tokens, read only when the agent opens those files.
What are the alternatives to Skill Builder?
Skills that share tags, products or a category with Skill Builder: Skill Creator (Azure/azqr, 795 stars), Claude Code Skill Developer Guide (diet103/claude-code-infrastructure-showcase, 10k stars), Darwin Skill Optimizer (alchaincyf/darwin-skill, 6.2k stars) and Claude Code Command Development (anthropics/claude-plugins-official, 38k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Skill Builder?
boshu2 (a GitHub user) maintains it in boshu2/agentops, which has 447 GitHub stars. The repository holds 31 skills in this directory. The repository was last updated on October 7, 2026.
Source: boshu2/agentops on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.