arcgis-portal-content

arcgis-portal-content is a skill for Claude Code from SaschaBrunnerCH/arcgis-maps-sdk-js-ai-context. It costs 39 tokens per session (2,863 once invoked), scanned A, original, MIT.

A guide for saving and managing ArcGIS portal content. An ArcGIS portal is a place where maps, 3D scenes, bookmarks, and other mapping items can be stored and shared.

In plain words
What is it for?
Use it to save WebMaps and WebScenes, manage portal items, add bookmarks, create slides, and configure map navigation presets.
Why use it?
It explains how to preserve map configurations and navigation settings so they can be reused instead of rebuilt each time.

Skill for Claude Code

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

Part of the arcgis-maps-sdk-js-ai-context plugin — 35 skills shipped together

Good fit Use it to save WebMaps and WebScenes, manage portal items, add bookmarks, create slides, and configure map navigation presets.

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Install with agentmods
npx agentmods add skills/saschabrunnerch/arcgis-maps-sdk-js-ai-context/arcgis-portal-content
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 SaschaBrunnerCH/arcgis-maps-sdk-js-ai-context --skill arcgis-portal-content
Clone the repo
git clone --depth 1 https://github.com/SaschaBrunnerCH/arcgis-maps-sdk-js-ai-context

Made for: Claude Code.

Or install arcgis-maps-sdk-js-ai-context, the plugin that ships this one along with the rest of its 35 skills.

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 arcgis-portal-content

README.md
[![agentmods](https://agentmods.dev/badge/skills/saschabrunnerch/arcgis-maps-sdk-js-ai-context/arcgis-portal-content/github.svg)](https://agentmods.dev/skills/saschabrunnerch/arcgis-maps-sdk-js-ai-context/arcgis-portal-content)
Your own site
<a href="https://agentmods.dev/skills/saschabrunnerch/arcgis-maps-sdk-js-ai-context/arcgis-portal-content"><img src="https://agentmods.dev/badge/skills/saschabrunnerch/arcgis-maps-sdk-js-ai-context/arcgis-portal-content/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 arcgis-portal-content

Your own site · 80×15
<a href="https://agentmods.dev/skills/saschabrunnerch/arcgis-maps-sdk-js-ai-context/arcgis-portal-content"><img src="https://agentmods.dev/badge/skills/saschabrunnerch/arcgis-maps-sdk-js-ai-context/arcgis-portal-content.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,863 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 $0.00039 $0.02863
Opus 5 $0.00019 $0.01432
Sonnet 5 $0.00008 $0.00573
Haiku 4.5 $0.00004 $0.00286

Measured 12d ago against content hash ed400afa3aa0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

arcgis-portal-content 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 12d 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/arcgis-portal-content/SKILL.md · 501 lines

How it starts

The opening of the file, as written. The whole thing — 501 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ArcGIS Portal Content

Use this skill for saving maps, managing bookmarks, slides, working with portal items, and configuring WebMap/WebScene structure.

Import Patterns

Direct ESM Imports

import WebMap from "@arcgis/core/WebMap.js";
import WebScene from "@arcgis/core/WebScene.js";
import Portal from "@arcgis/core/portal/Portal.js";
import PortalItem from "@arcgis/core/portal/PortalItem.js";
import PortalQueryParams from "@arcgis/core/portal/PortalQueryParams.js";

Dynamic Imports (CDN)

const WebMap = await $arcgis.import("@arcgis/core/WebMap.js");
const Portal = await $arcgis.import("@arcgis/core/portal/Portal.js");
const [PortalItem, PortalQueryParams] = await $arcgis.import([
  "@arcgis/core/portal/PortalItem.js",
  "@arcgis/core/portal/PortalQueryParams.js",
]);

WebMap Structure

WebMap Properties

import WebMap from "@arcgis/core/WebMap.js";

const webMap = new WebMap({
  // From portal item
  portalItem: {
    id: "WEBMAP_ID",
    portal: { url: "https://www.arcgis.com" },
  },
});

// Or create from scratch
const webMap = new WebMap({
  basemap: "topo-vector",
  ground: "world-elevation",
  layers: [featureLayer, graphicsLayer],
  tables: [tableLayer],
  initialViewProperties: {
    center: [-118.805, 34.027],
    zoom: 13,
  },
  bookmarks: [bookmark1, bookmark2],
});

WebMap from JSON

const webMap = WebMap.fromJSON({
  operationalLayers: [
    {
      id: "layer1",
      layerType: "ArcGISFeatureLayer",
      url: "https://services.arcgis.com/.../FeatureServer/0",
      title: "My Layer",
      visibility: true,
      opacity: 1,
    },
  ],
  baseMap: {
    baseMapLayers: [
      {
        id: "basemap",
        layerType: "VectorTileLayer",
        styleUrl:
          "https://basemaps-api.arcgis.com/arcgis/rest/services/styles/v2/styles/arcgis/topographic",
      },
    ],
    title: "Topographic",
  },
  initialState: {
    viewpoint: {
      targetGeometry: {
        xmin: -118.9,
        ymin: 33.8,
        xmax: -118.1,
        ymax: 34.3,
        spatialReference: { wkid: 4326 },
      },
    },
  },
});

Read the full file on GitHub · 501 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. 12d ago First seen · 501 lines · 39 tokens per session scan A ed400afa3aa0

Subscribe to this mod's changes

arcgis-portal-content is a skill published in the GitHub repository SaschaBrunnerCH/arcgis-maps-sdk-js-ai-context (22 stars, last pushed 5mo ago), licensed MIT. It adds 39 tokens to every session and 2,863 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 2026-08-30.

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