techstack-infra

techstack-infra is a skill for Claude Code from transilienceai/communitytools. It costs 40 tokens per session (461 once invoked), scanned A, original, MIT.

An infrastructure discovery tool that identifies how a website is hosted and operated. It looks for cloud providers, DNS, certificates, delivery and security services, deployment tools, containers and related domains or IP addresses.

In plain words
What is it for?
Use it during technology or security assessments to map hosting, CDN and WAF services, DNS, certificates, CI/CD, containers and discovered assets.
Why use it?
A website’s operational setup is often spread across many services and is not visible from one page. Collecting these clues helps build a fuller map of the technology behind it.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the communitytools plugin — 48 skills, 5 commands, 9 agents, 1 hook shipped together

Good fit Use it during technology or security assessments to map hosting, CDN and WAF services, DNS, certificates, CI/CD, containers and discovered assets.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/transilienceai/communitytools/infra
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 transilienceai/communitytools --skill infra
Clone the repo
git clone --depth 1 https://github.com/transilienceai/communitytools

Made for: Claude Code.

Or install communitytools, the plugin that ships this one along with the rest of its 48 skills, 5 commands, 9 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 techstack-infra

README.md
[![agentmods](https://agentmods.dev/badge/skills/transilienceai/communitytools/infra.svg)](https://agentmods.dev/skills/transilienceai/communitytools/infra)
Your own site
<a href="https://agentmods.dev/skills/transilienceai/communitytools/infra"><img src="https://agentmods.dev/badge/skills/transilienceai/communitytools/infra.svg" alt="Measured on agentmods" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 461 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00040 $0.00461
Opus 5 $0.00020 $0.00230
Sonnet 5 $0.00008 $0.00092
Haiku 4.5 $0.00004 $0.00046

Measured 4d ago against content hash 9f6d272efe0f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

techstack-infra 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 4d 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.

skills/techstack-identification/infra/SKILL.md · 42 lines

What it actually says

Infrastructure Tech-Stack Identification

Scope

Identify the hosting and operational layer: cloud providers (AWS/GCP/Azure/DO/Linode/Vultr), PaaS (Heroku/Vercel/Netlify/Render/Railway/Fly), CDN (Cloudflare/Akamai/Fastly/CloudFront/Azure CDN), WAF (Imperva/Sucuri/F5/Fortinet), DNS provider, certificate authority, DevOps tooling (CI/CD, IaC, containers, orchestration), and the asset inventory (root domain, subdomains, IPs, certificates) that the rest of the engagement consumes.

Signals (input)

  • IP attribution (cloud IP ranges, ASN, WHOIS)
  • DNS records: A, AAAA, MX, TXT, NS, CNAME, SRV
  • TLS certificate metadata (issuer, SAN, validity, JARM)
  • CT logs (crt.sh)
  • HTTP headers tagging cloud/CDN/WAF
  • Repository config files (*.tf, Dockerfile, .github/workflows/*, Chart.yaml, etc.)
  • Asset inventory feeds — initial domain, subdomain enumeration, IP map

Inferences (output)

  • Primary cloud provider + region(s)
  • PaaS / serverless / container orchestration
  • CDN, WAF, DDoS / bot-management products
  • DNS service, email provider, SaaS verifications (TXT)
  • Certificate issuer & posture (automation, wildcard, validity window)
  • DevOps stack: CI/CD platform, containerization, IaC, monitoring, secret mgmt
  • Asset list: validated primary domain, all subdomains, IPs with cloud attribution

Techniques

See reference/patterns.md.

When to use

  • First step of every tech-stack engagement (asset inventory feeds all other domains)
  • Identifying CDN/WAF before choosing exploitation paths
  • CVE matching by server stack version
  • Supply-chain / SaaS exposure mapping (DNS verifications)
Files

What ships with it

1 file 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. 4d ago First seen · 42 lines · 40 tokens per session scan A 9f6d272efe0f

Subscribe to this mod's changes

techstack-infra is a skill published in the GitHub repository transilienceai/communitytools (511 stars, last pushed 1mo ago), licensed MIT. It adds 40 tokens to every session and 461 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 2026-09-03.

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