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 easyzoom/aix-skills --skill embedded-data-parsing-libsgit clone --depth 1 https://github.com/easyzoom/aix-skillsWrote 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/easyzoom/aix-skills/embedded-data-parsing-libs)<a href="https://agentmods.dev/skills/easyzoom/aix-skills/embedded-data-parsing-libs"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/embedded-data-parsing-libs/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/easyzoom/aix-skills/embedded-data-parsing-libs"><img src="https://agentmods.dev/badge/skills/easyzoom/aix-skills/embedded-data-parsing-libs.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 | $0.00038 | $0.00643 |
| Opus 5 | $0.00019 | $0.00321 |
| Sonnet 5 | $0.00008 | $0.00129 |
| Haiku 4.5 | $0.00004 | $0.00064 |
Grade A, and why
embedded-data-parsing-libs 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 — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Embedded Data Parsing Libs
Overview
Use this skill for small embedded data parsers where the main risks are memory allocation, input bounds, encoding assumptions, recursion, and callback handling. Cover cJSON, jsmn, and inih without copying their full APIs.
When To Use
Use this skill when:
- The user wants to parse JSON or INI on an MCU.
- The task mentions
cJSON,jsmn,inih, config files, telemetry JSON, command payloads, or settings parsing. - The issue involves parse failure, memory leak, heap exhaustion, malformed input, callback mapping, or stack/recursion limits.
Do not use this skill for binary protocols or large streaming parsers outside these small libraries.
First Questions
Ask for:
- Parser library:
cJSON,jsmn,inih, or another small C parser. - Input source and maximum input size.
- Runtime: bare metal, RTOS, Linux, bootloader, or shell command.
- Whether dynamic allocation is allowed.
- Expected schema and how malformed input should behave.
- Current error, sample input, and memory budget.
Library Checks
cJSON
- Decide whether heap allocation is acceptable.
- Provide custom malloc/free hooks if the project uses a custom allocator.
- Always delete parsed trees after use.
- Bound input size before parsing.
- Validate type before reading values.
jsmn
- Allocate enough tokens for the expected JSON shape.
- Handle
JSMN_ERROR_NOMEM,JSMN_ERROR_INVAL, andJSMN_ERROR_PART. - Remember that tokens reference the original input buffer.
- Validate string lengths and value types manually.
inih
- Implement the handler callback with strict section/key matching.
- Decide whether duplicate keys overwrite, error, or merge.
- Bound line length and input source.
- Validate converted numeric values and ranges.
Common Failures
- Heap fragmentation from repeated
cJSON_Parsewithout hooks or cleanup. - Token buffer too small for
jsmn. - Using JSON token pointers after the input buffer is freed.
- Accepting partial config and booting with unsafe defaults.
- Silent typo in INI key because handler ignores unknown fields.
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 · 87 lines · 38 tokens per session scan A 4b5c5625f329
embedded-data-parsing-libs is a skill published in the GitHub repository easyzoom/aix-skills (31 stars, last pushed 1mo ago), licensed MIT. It adds 38 tokens to every session and 643 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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