data-format-conversion-post-format

data-format-conversion-post-format is a skill for Claude Code from bobadilla-tech/requiems-api-skills. It costs 31 tokens per session (572 once invoked), scanned A, original, MIT.

A converter for structured data formats such as JSON, YAML, CSV, XML, and TOML. Structured data stores information in a consistent format that software can read.

In plain words
What is it for?
Use it to convert configuration files, exports, API data, or other content between the supported formats.
Why use it?
It avoids manually rewriting data when a tool or service requires a different format.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the requiems-api-skills plugin — 58 skills shipped together

Install

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.

agentmods
npx agentmods add skills/bobadilla-tech/requiems-api-skills/data-format-conversion-post-format
Any agent
npx skills add bobadilla-tech/requiems-api-skills --skill data-format-conversion-post-format
Clone the repo
git clone --depth 1 https://github.com/bobadilla-tech/requiems-api-skills

Made for: Claude Code.

Or install requiems-api-skills, the plugin that ships this one along with the rest of its 58 skills.

Wrote 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.

agentmods badge for data-format-conversion-post-format

README.md
[![agentmods](https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/data-format-conversion-post-format.svg)](https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/data-format-conversion-post-format)
Your own site
<a href="https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/data-format-conversion-post-format"><img src="https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/data-format-conversion-post-format.svg" alt="Measured on agentmods" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 572 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00031 $0.00572
Opus 5 $0.00015 $0.00286
Sonnet 5 $0.00006 $0.00114
Haiku 4.5 $0.00003 $0.00057

Measured 6d ago against content hash aa3bc9b742e2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

data-format-conversion-post-format 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 6d 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.

skills/data-format-conversion-post-format/SKILL.md · 65 lines

What it actually says

Endpoint

POST https://requiems.xyz/v1/technology/format

Convert Format

Convert content from one structured data format to another. Supported formats: json, yaml, csv, xml, toml.

Parameters

Name Type Required Location Description
from string yes body Source format. One of: json, yaml, csv, xml, toml
to string yes body Target format. One of: json, yaml, csv, xml, toml
content string yes body The content to convert, serialized as a string in the source format.

Request Example

{
  "from": "json",
  "to": "yaml",
  "content": "{\"name\": \"Alice\", \"age\": 30}"
}

Response Example

{
  "data": {
    "result": "age: 30\nname: Alice\n"
  },
  "metadata": {
    "timestamp": "2026-01-01T00:00:00Z"
  }
}

Response Fields

Field Type Description
result string The converted content serialized in the target format.

Errors

  • 422 validation_failed — One of from, to, or content is missing, or from/to is not one of the supported format values.
  • 422 invalid_json — The content field is not valid JSON (when from is json).
  • 422 invalid_yaml — The content field is not valid YAML (when from is yaml).
  • 422 invalid_csv — The content field is not valid CSV, or a row has more columns than the header (when from is csv).
  • 422 invalid_xml — The content field is not valid XML (when from is xml).
  • 422 invalid_toml — The content field is not valid TOML (when from is toml).
  • 422 conversion_error — The data structure is incompatible with the target format (e.g. converting a JSON array to TOML, which requires a top-level object).
  • 413 content_too_large — The content field exceeds the 512 KB limit.
Changes

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.

  1. 6d ago First seen · 65 lines · 0 tokens per session scan A aa3bc9b742e2

Subscribe to this mod's changes

data-format-conversion-post-format is a skill published in the GitHub repository bobadilla-tech/requiems-api-skills (2 stars, last pushed 6d ago), licensed MIT. It adds 31 tokens to every session and 572 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 2026-08-31.

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