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/jl-codes/platformio-mcp/platformio-debugnpx skills add jl-codes/platformio-mcp --skill platformio-debuggit clone --depth 1 https://github.com/jl-codes/platformio-mcpWhat 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 | $0.00046 | $0.00245 |
| Opus 5 | $0.00023 | $0.00122 |
| Sonnet 5 | $0.00009 | $0.00049 |
| Haiku 4.5 | $0.00005 | $0.00024 |
Grade A, and why
platformio-debug 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 2d 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
PlatformIO Debug
Purpose
Use this skill when a PlatformIO project fails to build, upload, or pass static checks.
Safety Rules
- Do not hide raw error logs. Summarize them and preserve the log path.
- Do not make broad dependency changes without explaining why.
- Do not flash firmware unless the user explicitly approves.
Workflow
- Run or inspect the build.
- Classify the failure.
- Extract the smallest useful error snippet.
- Identify the likely root cause.
- Patch code, dependencies, or
platformio.ini. - Rebuild.
- Repeat until build succeeds or a blocker is identified.
- Summarize the exact fix.
Error Types
Classify failures as one of:
MissingHeader
MissingLibrary
WrongBoard
WrongFramework
SyntaxError
LinkerError
MemoryOverflow
PortBusy
PermissionDenied
UploadFailed
Unknown
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.
- 2d ago First seen · 46 lines · 46 tokens per session scan A 0de60dba7082
platformio-debug is a skill published in the GitHub repository jl-codes/platformio-mcp (49 stars, last pushed 2mo ago), licensed MIT. It adds 46 tokens to every session and 245 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 2026-08-30.
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