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 bobadilla-tech/requiems-api-skills --skill developer-utilities-post-encodegit clone --depth 1 https://github.com/bobadilla-tech/requiems-api-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/bobadilla-tech/requiems-api-skills/developer-utilities-post-encode)<a href="https://agentmods.dev/skills/bobadilla-tech/requiems-api-skills/developer-utilities-post-encode"><img src="https://agentmods.dev/badge/skills/bobadilla-tech/requiems-api-skills/developer-utilities-post-encode.svg" alt="Measured on agentmods" 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 | $0.00034 | $0.00369 |
| Opus 5 | $0.00017 | $0.00185 |
| Sonnet 5 | $0.00007 | $0.00074 |
| Haiku 4.5 | $0.00003 | $0.00037 |
Grade A, and why
developer-utilities-post-encode 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.
What it actually says
Endpoint
POST https://requiems.xyz/v1/technology/base64/encode
Base64 Encode
Encode a plain-text string to Base64. Supports standard (RFC 4648) and URL-safe (base64url) variants.
Parameters
| Name | Type | Required | Location | Description |
|---|---|---|---|---|
value |
string | yes | body | The string to encode |
variant |
string | no | body | Encoding variant: standard (default) or url (URL-safe base64url, RFC 4648 §5) |
Request Example
{
"value": "Hello, world!",
"variant": "standard"
}
Response Example
{
"data": {
"result": "SGVsbG8sIHdvcmxkIQ=="
},
"metadata": {
"timestamp": "2026-01-01T00:00:00Z"
}
}
Response Fields
| Field | Type | Description |
|---|---|---|
result |
string | The Base64-encoded output string |
Errors
undefined400 — value field is missing or emptyundefined422 — variant is not standard or urlundefined401 — Missing or invalid API key
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.
- 6d ago First seen · 58 lines · 34 tokens per session scan A e9eda2633e44
developer-utilities-post-encode is a skill published in the GitHub repository bobadilla-tech/requiems-api-skills (2 stars, last pushed 6d ago), licensed MIT. It adds 34 tokens to every session and 369 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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