Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/yaleh/meta-ccWrote 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/commands/yaleh/meta-cc/prompt-show)<a href="https://agentmods.dev/commands/yaleh/meta-cc/prompt-show"><img src="https://agentmods.dev/badge/commands/yaleh/meta-cc/prompt-show/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/yaleh/meta-cc/prompt-show"><img src="https://agentmods.dev/badge/commands/yaleh/meta-cc/prompt-show.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00012 | $0.01493 |
| Opus 5 | $0.00006 | $0.00746 |
| Sonnet 5 | $0.00002 | $0.00299 |
| Haiku 4.5 | $0.00001 | $0.00149 |
Grade A, and why
prompt-show scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 199 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Prompt Details Viewer
λ(prompt_id) → full_display | prompt_id := "$@"
Execution
show :: PromptID → Display show(ID) = { library: get_library_path(),
if (empty(ID)): display: usage_help(), return: empty,
if (not exists(library)): display: "No prompt library found.", return: empty,
Find matching file (support partial ID or full filename)
files: glob(library + ID + ".md") ∪ glob(library + "" + ID + "*.md"),
if (empty(files)): display: "Prompt not found: " + ID, suggestion: "Use '/prompt-list' to see all available prompts", return: empty,
if (|files| > 1): display: "Multiple prompts match '" + ID + "':", list: files, suggestion: "Use more specific ID", return: empty,
file: files[0], content: read_file(file), metadata: parse_frontmatter(content), body: parse_body(content),
display: format_display(metadata, body, file) }
get_library_path :: () → Path get_library_path() = project_root() + "/.meta-cc/prompts/library/"
parse_frontmatter :: Content → Metadata parse_frontmatter(C) = {
Extract YAML between --- markers
Parse: id, title, category, keywords, created, updated, usage_count, effectiveness, variables, status
}
parse_body :: Content → Body parse_body(C) = {
Extract sections after frontmatter:
- Original Prompts
- Optimized Prompt
- Improvements Over Original (optional)
- Variables (optional)
- Usage Example (optional)
- Best Practices (optional)
- Related Prompts (optional)
}
format_display :: (Metadata, Body, FilePath) → Display format_display(M, B, F) = { header: format_header(M), separator: "═" * 100,
metadata_section: format_metadata(M), divider: "─" * 100,
original_section: format_section("Original Prompts", B.original), optimized_section: format_section("Optimized Prompt", B.optimized),
improvements_section: if (B.improvements ≠ null): format_section("Improvements", B.improvements), variables_section: if (B.variables ≠ null): format_section("Variables", B.variables), example_section: if (B.example ≠ null): format_section("Usage Example", B.example), practices_section: if (B.practices ≠ null): format_section("Best Practices", B.practices), related_section: if (B.related ≠ null): format_section("Related Prompts", B.related),
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.
- 9d ago First seen · 199 lines · 12 tokens per session scan A 8af7782e249b
prompt-show is a command published in the GitHub repository yaleh/meta-cc (21 stars, last pushed 18d ago), licensed MIT. It adds 12 tokens to every session and 1,493 once invoked, about $0.0001 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 2026-08-30.
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System instructions for writing effective prompts. Apply when generating commands, skills, agents, or any LLM instructions.
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