gateway-api

gateway-api is a skill for Claude Code from nitinjain999/platform-skills. It costs 168 tokens per session (3,161 once invoked), scanned A, original, Apache-2.0.

A Kubernetes Gateway API assistant for managing how incoming network traffic reaches services. Gateway API is a standard Kubernetes way to describe gateways and routes, and this tool also supports moving away from the retired ingress-nginx controller.

In plain words
What is it for?
Use it to assess or convert ingress configuration, create Gateway API scaffolding, review and debug routes, plan cutovers, and roll back a migration involving Envoy, Cilium, Istio, NGINX, or AWS load-balancing components.
Why use it?
It helps translate existing Ingress settings, choose an implementation, validate the configuration, and plan a staged change with rollback. It avoids making the traffic or DNS change automatically.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: positional $N argument.

Part of the platform-skills plugin — 50 skills, 1 agent shipped together

Good fit Use it to assess or convert ingress configuration, create Gateway API scaffolding, review and debug routes, plan cutovers, and roll back a migration involving Envoy, Cilium, Istio, NGINX, or AWS load-balancing components.

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Install with agentmods
npx agentmods add skills/nitinjain999/platform-skills/gateway-api
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 nitinjain999/platform-skills --skill gateway-api
Clone the repo
git clone --depth 1 https://github.com/nitinjain999/platform-skills

Made for: Claude Code.

Or install platform-skills, the plugin that ships this one along with the rest of its 50 skills, 1 agent.

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 gateway-api

README.md
[![agentmods](https://agentmods.dev/badge/skills/nitinjain999/platform-skills/gateway-api/github.svg)](https://agentmods.dev/skills/nitinjain999/platform-skills/gateway-api)
Your own site
<a href="https://agentmods.dev/skills/nitinjain999/platform-skills/gateway-api"><img src="https://agentmods.dev/badge/skills/nitinjain999/platform-skills/gateway-api/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 gateway-api

Your own site · 80×15
<a href="https://agentmods.dev/skills/nitinjain999/platform-skills/gateway-api"><img src="https://agentmods.dev/badge/skills/nitinjain999/platform-skills/gateway-api.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 168 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,161 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 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 $0.00168 $0.03161
Opus 5.5 $0.00067 $0.01264
Sonnet 5.5 $0.00034 $0.00632
Haiku 4.5 $0.00017 $0.00316

Measured 5d ago against content hash fc18c2d6d233, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

gateway-api 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 5d 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.

curl -sS -o /dev/null -w '%{http_code} %{time_total}\n' \
skills/gateway-api/SKILL.md · 180 lines

How it starts

The opening of the file, as written. The whole thing — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Move ingress traffic off the retired ingress-nginx controller onto Gateway API without a user-visible change, and keep a fast rollback until the old path is provably unused.

Read references/gateway-api.md before responding. It holds the implementation matrix, the ownership model, CRD channel rules, the ingress2gateway v1.2.0 annotation coverage table, cert-manager requirements, Flux layering, the seven-phase cutover, rollback by stage, and the troubleshooting table. The working layout is examples/fluxcd/basic-monorepo; a before/after pair for one Ingress is in examples/gateway-api.

This command is interactive by default. With no arguments, ask the three questions below, then run the matching mode. Never apply converted manifests or change DNS yourself: produce the change, the validation, and the rollback, and let the user run it.

Questions (no arguments)

Ask one at a time:

  1. Where are you? assess (have ingress-nginx, not started) / convert (ready to translate) / scaffold (new cluster, no Ingress yet) / cutover (Gateway works, traffic not moved) / debug (a route or Gateway is not working) / review (check existing Gateway API config) / rollback
  2. Which implementation? Envoy Gateway (default) / Cilium / Istio / NGINX Gateway Fabric / AWS Load Balancer Controller / undecided. If undecided, apply the "Choosing an implementation" table: pick by what the team already operates
  3. How is the cluster delivered? Flux / Argo CD / Helm or kubectl directly

Mode dispatch

Mode What it does Mutates anything?
assess Inventories Ingresses, classes and annotations; classifies each annotation as auto, decision, or blocked No
convert Runs ingress2gateway, then rewrites output for the shared-Gateway model Writes files only
scaffold Generates CRDs, controller, GatewayClass, Gateway, cert-manager and Flux layers Writes files only
cutover Produces the per-hostname shadow test, DNS plan, soak criteria and decommission gate No
debug Diagnoses a route, listener, certificate or Gateway address problem No
review Reviews Gateway API manifests for correctness, security and operational safety No
rollback Picks the rollback for the stage reached No

Read the full file on GitHub · 180 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. 5d ago First seen · 180 lines · 168 tokens per session scan A fc18c2d6d233

Subscribe to this mod's changes

gateway-api is a skill published in the GitHub repository nitinjain999/platform-skills (70 stars, last pushed 3d ago), licensed Apache-2.0. It adds 168 tokens to every session and 3,161 once invoked, about $0.0007 per session on Opus 5.5. 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 2026-10-12.

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