oh-my-posh is a customizable prompt theme engine that renders command-line prompts across shells and platforms. Developers and terminal users use it to configure primary, secondary, right, and transient prompts in shells such as PowerShell, zsh, Bash, and cmd. The catalogue entries provide skills, instructions, agents, and an MCP integration for working with oh-my-posh.
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.
npx skills add JanDeDobbeleer/oh-my-posh --skill markdowngit clone --depth 1 https://github.com/JanDeDobbeleer/oh-my-poshWrote 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/jandedobbeleer/oh-my-posh/markdown)<a href="https://agentmods.dev/skills/jandedobbeleer/oh-my-posh/markdown"><img src="https://agentmods.dev/badge/skills/jandedobbeleer/oh-my-posh/markdown/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/skills/jandedobbeleer/oh-my-posh/markdown"><img src="https://agentmods.dev/badge/skills/jandedobbeleer/oh-my-posh/markdown.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Snyk pass
- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium MCP Rug Pull · line 60 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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 | $0.00029 | $0.00652 |
| Opus 5 | $0.00015 | $0.00326 |
| Sonnet 5 | $0.00006 | $0.00130 |
| Haiku 4.5 | $0.00003 | $0.00065 |
Grade A, and why
markdown 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 10d 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 — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Markdown Content Rules
The following markdown content rules are enforced in the validators:
- Headings: Use appropriate heading levels (H2, H3, etc.) to structure your content. Do not use an H1 heading, as this will be generated based on the title.
- Lists: Use bullet points or numbered lists for lists. Ensure proper indentation and spacing.
- Code Blocks: Use fenced code blocks for code snippets. Specify the language for syntax highlighting.
- Links: Use proper markdown syntax for links. Ensure that links are valid and accessible.
- Images: Use proper markdown syntax for images. Include alt text for accessibility.
- Tables: Use markdown tables for tabular data. Ensure proper formatting and alignment.
- Line Length: Limit line length to 120 characters for readability.
- Whitespace: Use appropriate whitespace to separate sections and improve readability.
- Front Matter: Include YAML front matter at the beginning of the file with required metadata fields.
Formatting and Structure
Follow these guidelines for formatting and structuring your markdown content:
-
Headings: Use
##for H2 and###for H3. Ensure that headings are used in a hierarchical manner. Recommend restructuring if content includes H4, and more strongly recommend for H5. -
Lists: Use
-for bullet points and1.for numbered lists. Indent nested lists with two spaces. -
Code Blocks: Use fenced code blocks with a language for syntax highlighting:
fmt.Println("hello") -
Links:
- Inline:
[Docs](https://example.com/docs) - Reference-style:
[Docs][docs]and add at the end of the page:[docs]: https://example.com/docs
- Inline:
-
Images: Use
for images. Include a brief description of the image in the alt text. -
Tables: Use
|to create tables. Ensure that columns are properly aligned and headers are included. -
Line Length: Break lines at 120 characters to improve readability. Use soft line breaks for long paragraphs.
-
Whitespace: Use blank lines to separate sections and improve readability. Avoid excessive whitespace.
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.
- 10d ago First seen · 76 lines · 29 tokens per session scan A 841c2953f949
markdown is a skill published in the GitHub repository JanDeDobbeleer/oh-my-posh (23,434 stars, last pushed yesterday), licensed MIT. It adds 29 tokens to every session and 652 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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