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Repo Therapist

by salman-arefin74
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Repo Therapist 🛋️

Ваша кодовая база объясняет сама себя под давлением

Этот MCP-сервер полностью создан с использованием Cursor

Repo Therapist — это MCP-сервер (Model Context Protocol), который превращает любой репозиторий в базу знаний, доступную для запросов и объяснений. Задавайте вопросы о вашей кодовой базе через Cursor и получайте структурированные, глубокие ответы.

Что он делает

Вы спрашиваете Cursor о вещах вроде:

  • «Почему этот сервис структурирован именно так?»

  • «Что сломается, если я удалю это?»

  • «Какие части этого репозитория пугают тебя?»

За кулисами Repo Therapist:

  • Читает структуру вашего репозитория и файлы

  • Анализирует историю git и паттерны коммитов

  • Сопоставляет код с частотой изменений

  • Выявляет «горячие точки» сложности и риски

Related MCP server: Code Understanding MCP Server

Доступные инструменты

Инструмент

Описание

analyze_repo(path)

Анализ репозитория — запустите это первым

get_snapshot(section?)

Получить статический снимок (источник истины) репозитория

get_history(section?)

Получить анализ истории git (временное измерение)

why_is_this_weird(file_path)

Объяснить, почему конкретный файл выглядит именно так

ask_repo(question)

Задать любой вопрос об анализируемом репозитории

repo_summary()

Получить высокоуровневый обзор

risk_report()

Сгенерировать отчет об оценке рисков

Источник истины: Снимок (Snapshot)

Когда вы запускаете analyze_repo, Repo Therapist создает статический снимок — авторитетный источник истины о вашем репозитории. Этот снимок включает:

{
  "files": [...],           // Every file with path, language, line count
  "languages": {...},       // Language breakdown with percentages
  "entryPoints": [...],     // Detected entry points with confidence levels
  "configs": {...},         // Parsed package.json, tsconfig, Dockerfile, CI configs
  "directories": [...]      // Directory structure with inferred purposes
}

Почему это важно: LLM должны ссылаться на данные этого снимка, а не гадать. Когда вы спрашиваете «Какие языки использует этот репозиторий?», ответ берется из снимка, а не из предположений LLM.

Используйте get_snapshot для получения конкретных разделов:

  • get_snapshot(section: "files") — Все файлы с метаданными

  • get_snapshot(section: "languages") — Статистика языков

  • get_snapshot(section: "entryPoints") — Обнаруженные точки входа

  • get_snapshot(section: "configs") — Разобранные конфигурационные файлы

  • get_snapshot(section: "directories") — Структура директорий

  • get_snapshot() — Сводка всего

Git Historian: Временное измерение

Git Historian анализирует историю коммитов, чтобы объяснить, ПОЧЕМУ код выглядит именно так. Здесь это перестает быть просто игрушкой.

{
  "fileChurn": { "auth.ts": { "totalCommits": 47, "churnScore": 85 } },
  "authors": { "auth.ts": ["alice", "bob", "charlie"] },
  "fragileFiles": [{ "path": "auth.ts", "reasons": ["high-churn", "many-authors"] }],
  "hotPaths": [...],
  "stableCore": [...]
}

Это позволяет вам ответить на вопросы:

  • «Почему это выглядит странно?» → «Потому что это переписывалось 12 раз за 6 месяцев.»

  • «Кто владелец этого файла?» → «Спорно — 4 человека вносили изменения, ни у кого нет >30%.»

  • «Чего мне стоит опасаться?» → «Эти 5 файлов хрупкие и подвержены ошибкам.»

Используйте get_history для получения конкретных аспектов:

  • get_history(section: "churn") — Частота изменений файлов и волатильность

  • get_history(section: "authors") — Статистика участников

  • get_history(section: "fragile") — Файлы, которые могут вызвать проблемы

  • get_history(section: "hotPaths") — «Горячие» пути против стабильного ядра

  • get_history(section: "timeline") — Ключевые события и паттерны коммитов

  • get_history(section: "ownership") — Кто чем владеет

  • get_history() — Сводка всего

Используйте why_is_this_weird для анализа конкретного файла:

Use why_is_this_weird on "src/auth/login.ts"

Возвращает подробное объяснение с цитатами:

# Why is "src/auth/login.ts" the way it is?

## Change History
- Total commits: 47
- Authors: 5 (alice, bob, charlie, dave, eve)
- Churn score: 85 ⚠️ HIGH

## 🔍 Why It's Unusual
**Heavily modified:** This file has been changed 47 times...
**Many hands:** 5 different people have modified this file...

Настройка

1. Установка зависимостей

cd repo-therapist
npm install

2. Сборка проекта

npm run build

3. Добавление в Cursor

Откройте настройки Cursor → MCP → Добавить новый MCP-сервер:

{
  "mcpServers": {
    "repo-therapist": {
      "command": "node",
      "args": ["/FULL/PATH/TO/repo-therapist/dist/index.js"]
    }
  }
}

Важно: Замените /FULL/PATH/TO/ на фактический абсолютный путь к вашей папке repo-therapist.

Пример:

{
  "mcpServers": {
    "repo-therapist": {
      "command": "node",
      "args": ["/Users/saar/Projects/private/repo-therapist/dist/index.js"]
    }
  }
}

4. Перезапуск Cursor

После добавления конфигурации MCP перезапустите Cursor, чтобы изменения вступили в силу.

Часто задаваемые вопросы

Нужно ли мне запускать repo-therapist отдельно?

Нет. Cursor автоматически запускает и управляет MCP-сервером за вас. Когда вы добавляете конфигурацию в настройки MCP Cursor, Cursor будет:

  • Запускать процесс node dist/index.js при необходимости

  • Держать его запущенным в фоновом режиме

  • Общаться с ним через stdio (стандартный ввод/вывод)

Вам нужно только один раз собрать проект (npm run build), добавить конфигурацию и перезапустить Cursor. Это всё.

Где мне задавать вопросы?

В обычном чате Cursor (Cmd+L или панель чата). Разница в том, как вы спрашиваете:

  • Без MCP: «Что делает этот репозиторий?» → Cursor использует свои встроенные инструменты

  • С Repo Therapist: «Используй analyze_repo для /path/to/repo» → Cursor вызывает инструмент MCP

Вы явно говорите Cursor использовать инструменты repo-therapist. Cursor видит их как дополнительные возможности, которые он может использовать.

В чем разница по сравнению с обычным чатом Cursor?

Обычный чат Cursor

С Repo Therapist

Читает файлы по запросу

Предварительно анализирует всю структуру репозитория

Нет понимания истории git

Анализирует паттерны коммитов и частоту изменений

Отвечает на основе прочитанного

Отвечает на основе структурированного анализа

Нет обнаружения рисков

Выявляет «горячие точки» сложности

Общее понимание кода

Инсайты, специфичные для предметной области («что тебя пугает?» )

Ключевое отличие: Repo Therapist выполняет структурированный анализ заранее и сохраняет его, поэтому на вопросы вроде «какие файлы меняются чаще всего?» или «каковы риски?» можно ответить на основе предварительно вычисленных данных, а не заставлять Cursor каждый раз разбираться в этом заново.

Думайте об этом так: Cursor умный, но реактивный. Repo Therapist дает ему «брифинг-документ» о вашей кодовой базе, на который он может ссылаться.

Использование

После настройки вы можете использовать Repo Therapist в чате Cursor:

Шаг 1: Анализ репозитория

Сначала проанализируйте репозиторий, который хотите изучить:

Use analyze_repo to analyze /path/to/some/repo

Шаг 2: Задавайте вопросы

Теперь вы можете задавать вопросы:

Use ask_repo to answer: "What does this repo do?"
Use ask_repo to answer: "Which parts of this repo scare you?"
Use ask_repo to answer: "What will break if I remove the auth module?"

Шаг 3: Получение отчетов

Получить сводку:

Use repo_summary to show me an overview

Получить оценку рисков:

Use risk_report to identify potential issues

Примеры вопросов

  • «Что делает этот репозиторий?»

  • «Как структурирован код?»

  • «Какой технологический стек используется?»

  • «Покажи мне зависимости»

  • «Какие файлы самые большие?»

  • «Какие файлы меняются чаще всего?»

  • «Кто является участниками?»

  • «Каковы последние коммиты?»

  • «Какие части пугают тебя?»

  • «Что сломается, если я изменю X?»

Разработка

Запуск в режиме разработки

npm run dev

Сборка для продакшена

npm run build

Запуск тестов

npm test              # Run all tests
npm run test:watch    # Run tests in watch mode
npm run test:coverage # Run tests with coverage report

Руководство по тестированию

Примечание: Всегда добавляйте модульные тесты при реализации новых функций.

Тесты находятся в tests/ и используют Vitest. Структура тестов повторяет структуру исходного кода:

tests/
├── fixtures/           # Test utilities and mock repos
│   └── setup.ts        # Helper functions for creating test repos
├── scanner/            # Scanner module tests
├── historian/          # Historian module tests
├── tools/              # Tool tests
└── cache.test.ts       # Cache tests

При добавлении новой функции:

  1. Создайте тесты в соответствующей поддиректории tests/

  2. Используйте createTestRepo() из fixtures/setup.ts для тестов, связанных с git

  3. Очищайте тестовые репозитории с помощью cleanupTestRepo() в afterAll

  4. Запустите npm test, чтобы убедиться, что все тесты проходят перед коммитом

Структура проекта

repo-therapist/
├── src/
│   ├── index.ts              # MCP server entry point
│   ├── cache.ts              # In-memory repo cache
│   ├── types.ts              # TypeScript interfaces
│   ├── scanner/              # Static snapshot engine (Step 2)
│   │   ├── index.ts          # Scanner exports
│   │   ├── types.ts          # Snapshot type definitions
│   │   └── scan-repo.ts      # Repository scanner
│   ├── historian/            # Git history analyzer (Step 3)
│   │   ├── index.ts          # Historian exports
│   │   ├── types.ts          # History type definitions
│   │   └── analyze-history.ts # Git history analysis
│   └── tools/
│       ├── analyze-repo.ts   # Repository analyzer (orchestrates all)
│       ├── get-snapshot.ts   # Snapshot retrieval (ground truth)
│       ├── get-history.ts    # History retrieval (time dimension)
│       ├── ask-repo.ts       # Question answering
│       ├── repo-summary.ts   # Summary generator
│       └── risk-report.ts    # Risk assessment
├── tests/                    # Unit tests
│   ├── fixtures/             # Test utilities
│   ├── scanner/              # Scanner tests
│   ├── historian/            # Historian tests
│   └── tools/                # Tool tests
├── package.json
├── tsconfig.json
├── vitest.config.ts          # Test configuration
└── README.md

Технологический стек

  • TypeScript — Типобезопасная кодовая база

  • @modelcontextprotocol/sdk — Реализация MCP-сервера

  • simple-git — Анализ истории Git

  • ts-morph — Парсинг AST TypeScript/JavaScript (планируется)

  • glob — Сопоставление шаблонов файлов

Дорожная карта

  • [ ] Анализ кода на основе AST с помощью ts-morph

  • [ ] Сохранение анализа в JSON/SQLite

  • [ ] Визуализация графа зависимостей

  • [ ] Обнаружение уязвимостей безопасности

  • [ ] Анализ покрытия тестами

  • [ ] Пользовательские обработчики вопросов

Лицензия

MIT

Available Tools

7 tools
analyze_repoA

Analyze a repository to understand its structure, dependencies, and git history. Run this first before asking questions.

ParametersJSON Schema
NameRequiredDescriptionDefault
pathYesAbsolute path to the repository to analyze

TDQS

A3.9/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries full burden. It describes what the tool does (analyze structure, dependencies, git history) but does not disclose side effects, permissions, or output format. Adequate but lacks depth on behavioral traits like mutability or performance impact.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences: first states purpose, second provides usage guidance. Extremely concise, front-loaded with essential information, no wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and no annotations, the description lacks details on what the analysis returns (e.g., report structure, how to use results). It hints at follow-up use ('before asking questions') but does not fully equip an agent to handle output.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The only parameter, 'path', is described in the schema as 'Absolute path to the repository to analyze'. The description does not add extra meaning beyond what the schema already provides. With 100% schema coverage, baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool analyzes a repository for structure, dependencies, and git history, and provides a usage directive ('Run this first before asking questions'), which distinctively positions it among siblings like ask_repo and get_history.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description gives explicit usage guidance: run this before asking questions. It implies when to use but does not explicitly list alternatives or when not to use, though the sibling context partially compensates.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

ask_repoC

Ask a question about an analyzed repository. Questions can be about structure, purpose, dependencies, patterns, or concerns.

ParametersJSON Schema
NameRequiredDescriptionDefault
pathNoOptional: path to repo if different from last analyzed
questionYesThe question to ask about the repository (e.g., 'What does this repo do?', 'Why is the auth service structured this way?')

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, so the description carries the burden of behavioral disclosure. It does not state that the tool is read-only, whether it requires prior analysis, or any side effects. The description lacks behavioral details beyond the basic action.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence that is concise and to the point. No unnecessary words or repetition.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description should explain what the agent can expect as a response (e.g., an answer text). It also does not mention that the repository must be analyzed first, though sibling tools imply context. The description is incomplete for effective use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the schema already contains examples for the 'question' parameter. The description adds marginal value by listing question types, but those are similar to schema examples. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'ask' and the resource 'repository', and provides examples of question categories (structure, purpose, etc.). However, it does not explicitly distinguish from sibling tools like 'repo_summary' or 'why_is_this_weird', which may also answer questions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives, nor does it mention prerequisites (e.g., that the repository must have been analyzed first). It only states what the tool does.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_historyB

Get git history analysis - the time dimension. Reveals WHY code is the way it is: file churn, ownership, fragile files, hot paths vs stable core.

ParametersJSON Schema
NameRequiredDescriptionDefault
pathNoOptional: path to repo if different from last analyzed
sectionNoWhich aspect of history to retrieve: 'churn' (file change frequency), 'authors' (contributor stats), 'fragile' (problem files), 'hotPaths' (volatile vs stable), 'timeline' (events), 'ownership' (who owns what), 'all' (summary).

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided; description carries full burden. It mentions what the tool reveals (churn, authorship, etc.) but omits behavioral details: whether it modifies state, requires authentication, or handles large repos. As a likely read-only analysis, this gap limits agent understanding.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single, front-loaded sentence with purpose and examples. Efficient but could briefly list alternative uses or output format.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Lacks usage guidelines, output schema, and behavioral details. With six sibling tools, agent needs more context to choose correctly. Missing information on return format or prerequisites.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 100% coverage with clear descriptions for both parameters (path, section with enums). Description adds no further semantic value beyond what the schema provides; baseline of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the tool's verb ('Get'), resource ('git history analysis'), and specific insights ('file churn, ownership, fragile files, hot paths vs stable core'). It emphasizes the 'time dimension', distinguishing it from sibling tools like get_snapshot or repo_summary.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use this tool vs alternatives (e.g., analyze_repo, risk_report). The description hints at 'time dimension' but lacks exclusions or context for tool selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_snapshotA

Get the static snapshot (ground truth) of the repository. This is the authoritative source - LLMs must cite this data, not guess. Use section parameter to get specific data.

ParametersJSON Schema
NameRequiredDescriptionDefault
pathNoOptional: path to repo if different from last analyzed
sectionNoWhich section of the snapshot to retrieve. 'all' returns a summary view.

TDQS

A4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description carries full burden. It describes a read operation but does not disclose error handling, caching behavior, or response scope beyond inferring from section parameter.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with purpose and authoritative emphasis. No wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description conveys the tool's role as a source of truth. Could elaborate on return format, but sufficient for a simple retrieval tool with well-defined params.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers 100% of parameters, baseline 3. The description adds 'Use section parameter' but does not provide additional meaning beyond the schema's enum or path description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool retrieves a static snapshot as the authoritative ground truth, distinguishing it from sibling tools that involve analysis or generation. It emphasizes this data should be cited, not guessed.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides clear guidance on when to use (for ground truth) and suggests using the section parameter. However, no explicit when-not-to-use or alternatives, though siblings like analyze_repo imply different use cases.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

repo_summaryB

Get a high-level summary of the analyzed repository including tech stack, structure, and key components.

ParametersJSON Schema
NameRequiredDescriptionDefault
pathNoOptional: path to repo if different from last analyzed

TDQS

B3.1/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description must fully disclose behavioral traits, but it only states the action. It does not mention that the tool requires a repository to have been analyzed, that it is read-only, or any constraints like 'last analyzed' implication.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no unnecessary words. It efficiently conveys the tool's purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has one optional parameter and no output schema, the description is minimally complete. However, it omits details about the output format and prerequisites (e.g., requiring prior analysis), which would be helpful for an agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, and the description does not add meaning beyond what is already in the schema for the 'path' parameter. The baseline of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it gets a high-level summary including tech stack, structure, and key components, which is specific and informative. However, it does not explicitly differentiate from sibling tools like ask_repo or analyze_repo, but the distinct purpose is inferable.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives, nor any context about prerequisites (e.g., requiring a prior analysis). The description is purely declarative.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

risk_reportC

Generate a risk assessment report identifying code smells, complexity hotspots, and areas that might cause problems.

ParametersJSON Schema
NameRequiredDescriptionDefault
pathNoOptional: path to repo if different from last analyzed

TDQS

C2.9/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are provided, and the description does not disclose whether the tool is read-only, requires permissions, or has side effects. It only states it generates a report, leaving behavioral traits unclear.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, concise sentence that directly states the tool's purpose without extraneous information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity of a risk assessment report, the description lacks details on the report's structure, output format, or behavior. It does not compensate for the absence of an output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single optional parameter 'path' is already fully described in the input schema. The tool description adds no additional meaning beyond the schema, achieving baseline for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool generates a risk assessment report focusing on code smells and complexity hotspots. However, it does not differentiate from sibling tools like analyze_repo or repo_summary, which may have overlapping purposes.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool vs alternatives such as analyze_repo, repo_summary, or why_is_this_weird. The description lacks context on appropriate use cases.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

why_is_this_weirdA

Explain why a specific file is the way it is, based on git history. Answers questions like 'Why is this file so complex?' with data: 'Because it's been rewritten 12 times by 5 different people.'

ParametersJSON Schema
NameRequiredDescriptionDefault
pathNoOptional: path to repo if different from last analyzed
file_pathYesThe relative path to the file to analyze (e.g., 'src/auth/login.ts')

TDQS

A3.8/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description indicates the tool uses git history to answer questions, but with no annotations, it does not disclose whether the tool modifies data, requires special permissions, or the exact nature of its operations. It is adequate but lacks full transparency.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise, consisting of two sentences and an example. It is front-loaded with the primary purpose and efficiently conveys value without unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and a moderate number of parameters, the description explains the tool's behavior well, including an example output. However, it does not address edge cases like files with no history or error conditions, leaving some gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% description coverage for both parameters, so the schema itself provides parameter meaning. The description adds context about the analysis type (git history, complexity) but does not extend parameter semantics significantly beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Explain why a specific file is the way it is, based on git history.' It provides a concrete example question and answer, distinguishing it from sibling tools like get_history or analyze_repo.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for understanding file complexity via git history, but it does not explicitly state when to use this tool versus alternatives (e.g., get_history for raw history), nor does it provide any 'when not to use' guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 7 tool updatesv1.0.0
    • First observedanalyze_repo
    • First observedask_repo
    • First observedget_history
    • First observedget_snapshot
    • First observedrepo_summary
    • First observedrisk_report
    • First observedwhy_is_this_weird
Deploy Server
Shareable, User-Owned Context BackendPeople, applications, and agents read, write, and coordinate together in one context lake. Reach it over MCP, a CLI, a Python SDK, or REST.fulcradynamics.comAd

TDQS

A3.5/5.0

Scored across 7 tools

Disambiguation5/5

Each tool has a clearly distinct purpose: analyze_repo is for initial analysis, ask_repo for questions, get_history for git history, get_snapshot for authoritative data, repo_summary for high-level summary, risk_report for risk assessment, and why_is_this_weird for explaining file history. No overlap.

Naming Consistency3/5

Most tools follow a verb_noun pattern (analyze_repo, ask_repo, get_history, get_snapshot), but repo_summary and risk_report are noun_noun, and why_is_this_weird is a full sentence, creating inconsistency.

Tool Count5/5

Seven tools is well-scoped for a repository analysis server, providing essential functionality without being overwhelming or insufficient.

Completeness4/5

The tool set covers key aspects: analysis, Q&A, history, snapshot, summary, and risk assessment. Minor gaps like direct file search or comparison are missing but can be partially addressed by ask_repo.

Maintenance

ActivityInactive
ResponsivenessNo issues

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