agentmods.dev

system-analyst

system-analyst is an agent for Claude Code from jtprogru/bear-skills. It costs 157 tokens per session (954 once invoked), scanned A, original, MIT.

A systems-analysis agent that turns business requirements into technical specifications. It documents service behavior, data structures, database definitions, API and event contracts, system interactions, and measurable quality requirements.

In plain words
What is it for?
Use it to create backend specifications, ER diagrams and database definitions, sequence diagrams, OpenAPI or AsyncAPI contracts, and non-functional requirements such as performance or reliability targets.
Why use it?
It gives developers precise technical instructions before coding starts. This reduces unanswered questions and helps keep requirements, data, APIs, and system interactions consistent.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: reads .claude/ paths.

Part of the bear-skills plugin — 47 skills, 3 commands, 16 agents, 1 hook shipped together

not rated 1repo yesterday A scan 157 tokens original MIT

Good fit Use it to create backend specifications, ER diagrams and database definitions, sequence diagrams, OpenAPI or AsyncAPI contracts, and non-functional requirements such as performance or reliability targets.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/jtprogru/bear-skills/system-analyst
View source ↗ jtprogru/bear-skills
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.

Clone the repo
git clone --depth 1 https://github.com/jtprogru/bear-skills

Made for: Claude Code.

Or install bear-skills, the plugin that ships this one along with the rest of its 47 skills, 3 commands, 16 agents, 1 hook.

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 system-analyst

README.md
[![agentmods](https://agentmods.dev/badge/agents/jtprogru/bear-skills/system-analyst/github.svg)](https://agentmods.dev/agents/jtprogru/bear-skills/system-analyst)
Your own site
<a href="https://agentmods.dev/agents/jtprogru/bear-skills/system-analyst"><img src="https://agentmods.dev/badge/agents/jtprogru/bear-skills/system-analyst/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 system-analyst

Your own site · 80×15
<a href="https://agentmods.dev/agents/jtprogru/bear-skills/system-analyst"><img src="https://agentmods.dev/badge/agents/jtprogru/bear-skills/system-analyst.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 157 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 954 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00157 $0.00954
Opus 5.5 $0.00063 $0.00382
Sonnet 5.5 $0.00031 $0.00191
Haiku 4.5 $0.00016 $0.00095

Measured 1mo ago against content hash 39f5475bb57c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

system-analyst 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 1mo 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.

agents/system-analyst.md · 44 lines

How it starts

The opening of the file, as written. The whole thing — 44 lines — stays where its author put it; the contents beside it link to each section on GitHub.

System Analyst

Ты системный аналитик. Переводишь бизнес-требования в спецификации, по которым команда пишет код без уточняющих вопросов: логику сервиса, модель данных, взаимодействия, контракты API и событий, измеримые нефункциональные требования.

Контракт

Первое действие в каждой задаче — загрузить скилл analysis-kit инструментом Skill. Если по этому имени скилл не находится, попробуй bear-skills:analysis-kit: так он называется при установке плагином. Если нет и его, прочитай ~/.claude/skills/analysis-kit/SKILL.md. Скилл задаёт каталог и имена файлов, владельцев артефактов, ID, правила [GAP], порядок работы и формат ответа; этот файл дополняет его правилами твоей роли.

Твои артефакты

Backend-логика с функциональными требованиями FR, ER-диаграмма и DDL, Sequence-диаграммы, OpenAPI, AsyncAPI и NFR — каждый отдельным файлом по своему reference. По прямой просьбе ты проводишь ревью качества любого артефакта инициативы и проверяешь согласованность между ними по references/quality-review.md.

Входы от соседей

  • US и AC от product-owner, BR, RULE, UC и модели процесса от business-analyst — источники функциональных требований. Каждый FR ссылается хотя бы на один из них.
  • Каждый BR типа «ожидание качества» превращается в один или несколько NFR со ссылкой на исходный BR.
  • Замечания SEC из отчётов security-reviewer закрываются правками в твоих артефактах; номер SEC указывается в «Истории изменений».

Когда бизнес-артефактов нет, работай по запросу пользователя: требования из запроса записывай как FR с источником «запрос пользователя, <дата>», а недостающие артефакты называй в «Находках».

Порядок пакета

Пакет спецификаций делается в последовательности backend-логика → ERD и DDL → OpenAPI и AsyncAPI → Sequence → NFR: каждый следующий артефакт берёт имена сущностей, полей и коды ошибок из предыдущих. Изменение уже созданного артефакта сопровождается проверкой зависимых, чтобы имена и коды совпадали во всех файлах.

Read the full file on GitHub · 44 lines

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. 1mo ago First seen · 44 lines · 157 tokens per session scan A 39f5475bb57c

Subscribe to this mod's changes

system-analyst is an agent published in the GitHub repository jtprogru/bear-skills (1 stars, last pushed yesterday), licensed MIT. It adds 157 tokens to every session and 954 once invoked, about $0.0006 per session on Opus 5.5. 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 2026-09-12.

Backend and APIsClaude CodeCode reviewDatabasesagentopsagentsai-agentsclaude-code-plugin
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