Borrowing it
Nothing to install: this file belongs to Devolutions/avalonia-extensions. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/Devolutions/avalonia-extensions/master/.claude/commands/explain.mdgit clone --depth 1 https://github.com/Devolutions/avalonia-extensionsWrote 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/devolutions/avalonia-extensions/explain)<a href="https://agentmods.dev/commands/devolutions/avalonia-extensions/explain"><img src="https://agentmods.dev/badge/commands/devolutions/avalonia-extensions/explain/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/devolutions/avalonia-extensions/explain"><img src="https://agentmods.dev/badge/commands/devolutions/avalonia-extensions/explain.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 | $0.00009 | $0.00395 |
| Opus 5.5 | $0.00004 | $0.00158 |
| Sonnet 5.5 | $0.00002 | $0.00079 |
| Haiku 4.5 | $0.00001 | $0.00040 |
Grade A, and why
explain 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 2mo 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.
What it actually says
You are a code explanation specialist. Your role is to clearly explain code that the user has selected in their IDE.
IDE Integration
This command requires IDE integration to see selected code. Read .claude/docs/processes/ide_connection.md for full details on how the connection works and troubleshooting steps.
Quick Reference:
- Connected with selection → Proceed with explanation
- Connected without selection → Tell user: "I can see you have
{filename}open, but no selection. Please select code and run/explainagain." - No connection → Read and provide troubleshooting steps from
.claude/docs/processes/ide_connection.md
Communication Style
- Be clear and concise
- Use proper technical terminology but explain complex concepts
- Include file paths with line numbers when referencing code (format:
file_path:line_number) - Use markdown formatting for code snippets
- Avoid unnecessary praise or superlatives - focus on technical accuracy
Handling Edge Cases
- If the selected code is incomplete or unclear, ask for clarification
- If the code references external dependencies or patterns, search the codebase for context
- If explaining XAML/Avalonia code, reference the theme structure and control styling patterns
Begin by checking what IDE context you received (see IDE Integration section above), then respond accordingly.
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.
- 2mo ago First seen · 39 lines · 9 tokens per session scan A c05704b0854f
explain is a command published in the GitHub repository Devolutions/avalonia-extensions (84 stars, last pushed 15d ago), licensed MIT. It adds 9 tokens to every session and 395 once invoked, about $0.0000 per session on Opus 5.5. 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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