Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add QBall-Inc/the-bulwark/plugin install the-bulwarkWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/qball-inc/the-bulwark/create-skill)<a href="https://agentmods.dev/skills/qball-inc/the-bulwark/create-skill"><img src="https://agentmods.dev/badge/skills/qball-inc/the-bulwark/create-skill.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00042 | $0.10028 |
| Opus 5 | $0.00021 | $0.05014 |
| Sonnet 5 | $0.00008 | $0.02006 |
| Haiku 4.5 | $0.00004 | $0.01003 |
Grade A, and why
create-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 560 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create Skill
Generates a complete Claude Code skill from a description or requirements document. Conducts an adaptive interview to understand the skill's purpose, classifies it into one of 7 archetypes (Generator, Tool Wrapper, Pipeline, Research, Script-driven, Reviewer, Inversion), surfaces candidate sub-patterns for the chosen archetype, spawns a Sonnet sub-agent to generate the files, validates with anthropic-validator, and presents the scaffold with architectural decisions.
When to Use This Skill
Load this skill when the user request matches ANY of these patterns:
| Trigger Pattern | Example User Request |
|---|---|
| Skill creation | "Create a new skill", "Make a skill for X" |
| Scaffolding | "Scaffold a skill", "Set up a new skill" |
| Generation | "Generate a skill that does X" |
| Skill design | "Design a skill for X", "I need a skill that does X" |
DO NOT use for:
- Editing existing skills (edit directly)
- Creating standalone sub-agents (use
create-subagent) - Debugging skill issues (use
issue-debugging) - Validating existing skills (use
anthropic-validator)
Dependencies
| Category | Files | Requirement | When to Load |
|---|---|---|---|
| Decision framework | references/decision-framework.md |
REQUIRED | Load at Stage 0 for interview + classification |
| Content guidance | references/content-guidance.md |
REQUIRED | Include in Stage 2 generator prompt |
| Skill templates | references/template-*.md |
REQUIRED | Load the matching template at Stage 2 |
| Agent template | references/agent-template.md |
REQUIRED | Include in Stage 2 prompt when archetype = Pipeline |
| Agent conventions | references/agent-conventions.md |
REQUIRED | Include in Stage 2 prompt when archetype = Pipeline |
| Diagnostic template | templates/diagnostic-output.yaml |
REQUIRED | Use at Stage 6 |
| Subagent prompting | subagent-prompting skill |
REQUIRED | Load at Stage 0 for 4-part prompt template |
| Eval shape | references/eval-shape.md |
REQUIRED when scaffolding evals/ data |
Schema for evals.json / triggers.json / compliance.json (Layer 1 DATA) |
| Eval scaffolding | references/eval-scaffolding.md |
REQUIRED | Per-archetype emission guide for Stage 2 — defines default grading_mode, assertion templates, sub-pattern × eval impact, placeholder substitution markers |
| Scripts conventions | references/scripts-conventions.md |
REQUIRED when bundles_scripts = true (Stage 1) |
Per-skill scripts/ directory invocation convention (${CLAUDE_PLUGIN_ROOT} pattern), Justfile recipe pattern, bun runtime prerequisite |
| Eval grader agent | agents/skill-eval-grader.md |
Bundled (no external load) | scripts/grade.ts returns SKIPPED for fuzzy assertions and emits a manual-invoke directive pointing at this agent. The orchestrator (or a future automation step) invokes the grader against evidence_paths to complete grading. |
| Eval comparator agent | agents/skill-eval-comparator.md |
Bundled (no external load) | Blind A/B comparison of two grading runs. Invoked manually with two grading-<timestamp>.json paths; not auto-spawned by grade.ts. |
What ships with it
21 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- agents/skill-eval-comparator.md 5.7 KB
- agents/skill-eval-grader.md 7.5 KB
- references/agent-conventions.md 5.2 KB
- references/agent-template.md 4.3 KB
- references/content-guidance.md 30 KB
- references/decision-framework.md 14 KB
- references/eval-scaffolding.md 18 KB
- references/eval-shape.md 13 KB
- references/scripts-conventions.md 6.9 KB
- references/template-generator.md 8.1 KB
- references/template-inversion.md 10 KB
- references/template-pipeline.md 11 KB
- references/template-research.md 9.3 KB
- references/template-reviewer.md 8.8 KB
- references/template-script-driven.md 6.5 KB
- references/template-tool-wrapper.md 8.7 KB
- scripts/check-description.ts 8.4 KB runs code
- scripts/check-skill-size.ts 6.9 KB runs code
- scripts/grade.ts 28 KB runs code
- scripts/run-loop.ts 8.4 KB runs code
- templates/diagnostic-output.yaml 2.9 KB
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 560 lines · 42 tokens per session scan A 25f8a14d7b42
create-skill is a skill published in the GitHub repository QBall-Inc/the-bulwark (8 stars, last pushed today), licensed MIT. It adds 42 tokens to every session and 10,028 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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