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geospatial-open-data

geospatial-open-data is a skill for Claude Code from taivop/marketplace. It costs 29 tokens per session (431 once invoked), scanned A, original, MIT.

A data access tool for Estonia’s official maps and geographic layers from the Land and Spatial Board. It uses public services for map images, vector features, cadastral data, addresses, and topographic information.

In plain words
What is it for?
Discovering available layers, downloading map images or geographic features, and preserving coordinates, boundaries, filters, attributes, and source-service details.
Why use it?
It prevents guessing layer names or coordinate settings and records exactly how geographic data was requested.

Skill for Claude Code

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

Part of the estonia-public-sources plugin — 88 skills shipped together

not rated 17repo 7d ago A scan 29 tokens original MIT

Good fit Discovering available layers, downloading map images or geographic features, and preserving coordinates, boundaries, filters, attributes, and source-service details.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/taivop/marketplace/geospatial-open-data
View source ↗ taivop/marketplace
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 taivop/marketplace --skill geospatial-open-data
Clone the repo
git clone --depth 1 https://github.com/taivop/marketplace

Made for: Claude Code.

Or install estonia-public-sources, the plugin that ships this one along with the rest of its 88 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 geospatial-open-data

README.md
[![agentmods](https://agentmods.dev/badge/skills/taivop/marketplace/geospatial-open-data.svg)](https://agentmods.dev/skills/taivop/marketplace/geospatial-open-data)
Your own site
<a href="https://agentmods.dev/skills/taivop/marketplace/geospatial-open-data"><img src="https://agentmods.dev/badge/skills/taivop/marketplace/geospatial-open-data.svg" alt="Measured on agentmods" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 431 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 $0.00029 $0.00431
Opus 5 $0.00015 $0.00216
Sonnet 5 $0.00006 $0.00086
Haiku 4.5 $0.00003 $0.00043

Measured 8d ago against content hash b61849bdbed5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

geospatial-open-data 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 8d 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/estonia-public-sources/sources/geospatial-open-data/SKILL.md · 41 lines

What it actually says

Geospatial Open Data

Access

Public WMS/WFS/WMTS services and file downloads. No authentication.

Endpoints

Retrieve

  1. Fetch GetCapabilities for the selected service.
  2. Read advertised layer/type names, supported CRS, operations, and output formats.
  3. Use WMS GetMap for rendered imagery or WFS GetFeature for vectors; bound requests with BBOX, feature count, or filters.
  4. Preserve the service URL, layer/type name, CRS, axis order, BBOX/filter, and output format.

Return

Keep authoritative layer identifiers, CRS, geometry type, source service, query parameters, feature attributes/geometries or map file, and retrieval time.

Limits

  • Do not guess layer names from portal labels; use the current capabilities document.
  • WMS is rendered imagery, not feature data.
  • CRS axis order differs by WMS/WFS version; verify coordinates before spatial joins.

Verify

Require parseable OGC capabilities XML. WMS must expose a capabilities root and named layers; WFS must expose WFS_Capabilities, FeatureTypeList, and at least one feature type before issuing data requests.

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. 8d ago First seen · 41 lines · 29 tokens per session scan A b61849bdbed5

Subscribe to this mod's changes

geospatial-open-data is a skill published in the GitHub repository taivop/marketplace (17 stars, last pushed 7d ago), licensed MIT. It adds 29 tokens to every session and 431 once invoked, about $0.0001 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.

Research
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