speclite-brownfield-python-backend-tech-stack-digger

speclite-brownfield-python-backend-tech-stack-digger is a skill for Claude Code from flanliulf/SpecLite. It costs 142 tokens per session (1,337 once invoked), scanned A, original, MIT.

A code-based checker for finding the technologies used in existing Python backend projects and writing a Markdown report with supporting evidence. It examines Python packaging files, runtime settings, application entry points, and deployment configuration.

In plain words
What is it for?
Use it to identify Python versions, FastAPI, Django, Flask, application servers, databases, ORMs, migrations, task queues, caches, authentication, API documentation, testing, and monitoring.
Why use it?
It turns a scattered Python codebase into a verifiable technology inventory. Unconfirmed versions and infrastructure details are kept separate from facts found in the project.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it to identify Python versions, FastAPI, Django, Flask, application servers, databases, ORMs, migrations, task queues, caches, authentication, API documentation, testing, and monitoring.

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Install with agentmods
npx agentmods add skills/flanliulf/speclite/speclite-brownfield-python-backend-tech-stack-digger
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 flanliulf/SpecLite --skill speclite-brownfield-python-backend-tech-stack-digger
Clone the repo
git clone --depth 1 https://github.com/flanliulf/SpecLite

Made for: Claude Code.

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 speclite-brownfield-python-backend-tech-stack-digger

README.md
[![agentmods](https://agentmods.dev/badge/skills/flanliulf/speclite/speclite-brownfield-python-backend-tech-stack-digger/github.svg)](https://agentmods.dev/skills/flanliulf/speclite/speclite-brownfield-python-backend-tech-stack-digger)
Your own site
<a href="https://agentmods.dev/skills/flanliulf/speclite/speclite-brownfield-python-backend-tech-stack-digger"><img src="https://agentmods.dev/badge/skills/flanliulf/speclite/speclite-brownfield-python-backend-tech-stack-digger/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.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/flanliulf/speclite/speclite-brownfield-python-backend-tech-stack-digger"><img src="https://agentmods.dev/badge/skills/flanliulf/speclite/speclite-brownfield-python-backend-tech-stack-digger.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 142 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,337 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 $0.00142 $0.01337
Opus 5 $0.00071 $0.00668
Sonnet 5 $0.00028 $0.00267
Haiku 4.5 $0.00014 $0.00134

Measured 6d ago against content hash d85f05977dc4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

speclite-brownfield-python-backend-tech-stack-digger 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.

assets/source/speclite/sdlc-skills/1-analysis/speclite-brownfield-python-backend-tech-stack-digger/SKILL.md · 52 lines

What it actually says

Speclite Brownfield Python Backend Tech Stack Digger

[Overview(技能说明)] Speclite Brownfield Python Backend Tech Stack Digger 是 1-analysis 阶段的 Python 后端技术栈挖掘工作流。它继承 speclite-brownfield-backend-tech-stack-digger 的通用报告契约,并专门处理 pyproject.toml、Poetry、uv、pip、Pipenv、Conda、FastAPI、Django、Flask、ASGI / WSGI、ORM、任务队列、缓存、安全认证和测试等 Python 生态事实。

[Core Capabilities(核心能力)] - Python 项目发现:识别 package layout、monorepo service、src/ layout、ASGI / WSGI app、manage.py、Procfile、Docker / gunicorn / uvicorn 启动命令。 - 依赖版本解析:优先读取 poetry.lockuv.lockPipfile.lock、pinned requirements*.txt、Conda lock 和 pip freeze / pipdeptree 结果。 - 运行时识别:提取 Python 版本来源,包括 requires-python.python-version、runtime image、tox/nox、CI setup、Conda environment。 - 框架识别:识别 FastAPI、Django、Django REST Framework、Flask、Starlette、Tornado、Sanic、Celery worker 和 server entrypoints。 - 数据与中间件分析:识别 SQLAlchemy、Django ORM、Tortoise ORM、Peewee、Alembic、psycopg、asyncpg、Celery、RQ、Redis、对象存储和 HTTP client。 - 安全与工程能力分类:识别 Django auth、PyJWT、python-jose、Authlib、OAuthlib、Pydantic、OpenAPI、pytest、tox、coverage、logging 和 observability。 - 证据化 Markdown 输出:按 assets/python-tech-stack-report-template.md 生成编号清单、证据摘要、未确认项和核验命令。

[Workflow(执行流程)] 本 Skill 使用 Python 专属顺序分析工作流。详细 packaging 矩阵、框架探测和版本解析规则见 references/python-tech-stack-workflow.md

1. 解析用户输入,确认 `{project-root}`、`{output-dir}` 和 `{report-name}`。若 `{output-dir}` 缺失,必须先询问。
2. 读取通用报告契约:输出必须兼容 `speclite-brownfield-backend-tech-stack-digger` 的章节结构和证据原则。
3. 扫描 Python 项目入口:`pyproject.toml`、lockfile、`requirements*.txt`、`Pipfile`、`environment.yml`、runtime version file、Dockerfile、CI pipeline 和 service package。
4. 可执行解析优先:根据工具运行 `poetry show`、`uv pip list`、`pip freeze`、`pipdeptree` 或 `conda list`;失败时记录原因并退回 lockfile / manifest 静态解析。
5. 读取 runtime config 与源码入口,补充框架、ASGI/WSGI server、database、Redis、MQ、scheduler、storage、auth、API docs、observability 和 test facts。
6. 合并事实并标注来源。`pyproject.toml` 的 version spec 不等于实际安装版本;外部服务端版本必须来自 deploy evidence。
7. 写入 `{output-dir}/{report-name}`,默认 `python-backend-tech-stack.md`;最终回复给出路径、关键版本和未确认项。

[Notes(注意事项)] - 本 Skill 只分析 Python 后端技术栈;Java / Spring Boot、Node.js、Go、.NET 等生态应使用各自专属 Skill 或通用后端契约。 - lockfile / pinned requirements 是依赖实际版本的最高优先级来源;pyproject.tomlsetup.cfgsetup.py 中的版本范围只能作为声明事实。 - Python runtime 版本不能由依赖版本推断,必须来自 requires-python、runtime file、Docker image、Conda、tox/nox、CI 或用户提供证据。 - FastAPI / Starlette 需要 ASGI app 或 route evidence;Django 需要 settings / urls / manage.py / ASGI / WSGI evidence。 - PostgreSQL Server、Redis Server、RabbitMQ Broker、S3 / MinIO Server 等外部服务端版本不能由 Python client 版本反推。 - 生成报告必须包含 Generated By(生成来源) 标注:speclite-brownfield-python-backend-tech-stack-digger

[Generation Metadata(生成信息)] 本 Skill 由 skills-creator 从通用后端技术栈报告契约中拆分 Python 生态规则生成。后续修改必须同步更新 SKILL.md、SKILL.en.md、CHANGELOG.md,并同步 forge/ 与 SpecLite assets 源目录。

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 52 lines · 142 tokens per session scan A d85f05977dc4

Subscribe to this mod's changes

speclite-brownfield-python-backend-tech-stack-digger is a skill published in the GitHub repository flanliulf/SpecLite (4 stars, last pushed 2mo ago), licensed MIT. It adds 142 tokens to every session and 1,337 once invoked, about $0.0007 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 2026-09-03.