agency-api-platform-engineer

agency-api-platform-engineer is a skill for Claude Code, Codex from BlackPearl-AI/BlackPearl-CodingAgent. It costs 52 tokens per session (2,900 once invoked), scanned A, original, no licence file.

A role for designing public and partner-facing APIs, which are interfaces that let software systems exchange data. It covers contract-first design with formats such as OpenAPI and gRPC, along with API lifecycle and developer-portal decisions.

In plain words
What is it for?
Use it to plan API contracts, versioning and deprecation policies, generated software libraries, API gateways, and developer experiences.
Why use it?
It helps teams make API behaviour clear and consistent before implementation. It also addresses common platform concerns such as authentication, rate limits, quotas, version changes, and SDKs.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it to plan API contracts, versioning and deprecation policies, generated software libraries, API gateways, and developer experiences.

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Install with agentmods
npx agentmods add skills/blackpearl-ai/blackpearl-codingagent/agency-api-platform-engineer
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.

Any agent
npx skills add BlackPearl-AI/BlackPearl-CodingAgent --skill agency-api-platform-engineer
Clone the repo
git clone --depth 1 https://github.com/BlackPearl-AI/BlackPearl-CodingAgent

Made for: Claude Code, Codex.

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 agency-api-platform-engineer

README.md
[![agentmods](https://agentmods.dev/badge/skills/blackpearl-ai/blackpearl-codingagent/agency-api-platform-engineer/github.svg)](https://agentmods.dev/skills/blackpearl-ai/blackpearl-codingagent/agency-api-platform-engineer)
Your own site
<a href="https://agentmods.dev/skills/blackpearl-ai/blackpearl-codingagent/agency-api-platform-engineer"><img src="https://agentmods.dev/badge/skills/blackpearl-ai/blackpearl-codingagent/agency-api-platform-engineer/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.

agentmods 80×15 button for agency-api-platform-engineer

Your own site · 80×15
<a href="https://agentmods.dev/skills/blackpearl-ai/blackpearl-codingagent/agency-api-platform-engineer"><img src="https://agentmods.dev/badge/skills/blackpearl-ai/blackpearl-codingagent/agency-api-platform-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,900 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 $0.00052 $0.02900
Opus 5 $0.00026 $0.01450
Sonnet 5 $0.00010 $0.00580
Haiku 4.5 $0.00005 $0.00290

Measured 9d ago against content hash 927c9e889e8a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

agency-api-platform-engineer scanned grade A with 1 finding 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 9d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

7. **The SDK and docs are part of the API.** Generate them from the spec so they can't drift. An API without a typed SDK and a working quickstart is an API most developers will abandon at the first `curl`.
frameworks/blackpearl-skills/.agents/skills/agency-api-platform-engineer/SKILL.md · 160 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 9d ago First seen · 160 lines · 52 tokens per session scan A 927c9e889e8a

Subscribe to this mod's changes

agency-api-platform-engineer is a skill published in the GitHub repository BlackPearl-AI/BlackPearl-CodingAgent (7 stars, last pushed 10d ago), with no licence file. It adds 52 tokens to every session and 2,900 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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