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 agentmods add skills/veryfront/veryfront-code/debug-runtimenpx skills add veryfront/veryfront-code --skill debug-runtimegit clone --depth 1 https://github.com/veryfront/veryfront-codeWhat 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 | $0.00015 | $0.00311 |
| Opus 5 | $0.00008 | $0.00156 |
| Sonnet 5 | $0.00003 | $0.00062 |
| Haiku 4.5 | $0.00002 | $0.00031 |
Grade A, and why
debug-runtime 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 yesterday.
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
Debug Runtime
Diagnose runtime errors by connecting to the dev server via MCP.
Steps
-
Ensure dev server is running
veryfront devMCP is available on the dev server port plus 2. The default URL is
http://localhost:3002/mcp. -
Check for errors (via MCP) Use
vf_get_errorsto get current runtime errors. -
Get debug context (via MCP) Use
vf_get_debug_contextfor stack traces and request context. -
Read server logs (via MCP resource) Read
veryfront://logsfor recent server log entries. -
Trace the issue
- Identify the failing route or component from error context
- Read the source file
- Check for common runtime issues: missing env vars, API failures, data fetch errors
-
Fix and verify Apply the fix. HMR will auto-reload. Use
vf_get_errorsto confirm the error is resolved.
Error Recovery
- Dev server not running: Start with
veryfront dev - MCP not responding: Check the printed MCP URL, restart dev server
- Error persists after fix: Clear cache with
veryfront clean, restart dev
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.
- yesterday First seen · 44 lines · 15 tokens per session scan A f441369dbcf7
debug-runtime is a skill published in the GitHub repository veryfront/veryfront-code (18 stars, last pushed yesterday), licensed Apache-2.0. It adds 15 tokens to every session and 311 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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