ogr2ogr-recipes

ogr2ogr-recipes is a skill for Claude Code, Codex from buildmoonshot/skillpacks. It costs 73 tokens per session (512 once invoked), scanned A, original, MIT.

A collection of safe command patterns for ogr2ogr, a GDAL/OGR tool that converts, filters, reprojects, and loads vector geographic data. Vector data represents points, lines, or areas such as roads and boundaries.

In plain words
What is it for?
Use it with shapefiles, GeoJSON, GeoPackages, PostGIS, and similar data when converting, changing coordinate systems, filtering, clipping, or loading layers.
Why use it?
It prevents subtle mistakes when moving geographic data between formats or coordinate systems and favors less fragile storage formats.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it with shapefiles, GeoJSON, GeoPackages, PostGIS, and similar data when converting, changing coordinate systems, filtering, clipping, or loading layers.

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Install with agentmods
npx agentmods add skills/buildmoonshot/skillpacks/ogr2ogr-recipes
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 buildmoonshot/skillpacks --skill ogr2ogr-recipes
Clone the repo
git clone --depth 1 https://github.com/buildmoonshot/skillpacks

Made for: Claude Code, Codex.

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 ogr2ogr-recipes

README.md
[![agentmods](https://agentmods.dev/badge/skills/buildmoonshot/skillpacks/ogr2ogr-recipes/github.svg)](https://agentmods.dev/skills/buildmoonshot/skillpacks/ogr2ogr-recipes)
Your own site
<a href="https://agentmods.dev/skills/buildmoonshot/skillpacks/ogr2ogr-recipes"><img src="https://agentmods.dev/badge/skills/buildmoonshot/skillpacks/ogr2ogr-recipes/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 ogr2ogr-recipes

Your own site · 80×15
<a href="https://agentmods.dev/skills/buildmoonshot/skillpacks/ogr2ogr-recipes"><img src="https://agentmods.dev/badge/skills/buildmoonshot/skillpacks/ogr2ogr-recipes.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 73 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 512 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 $0.00073 $0.00512
Opus 5 $0.00036 $0.00256
Sonnet 5 $0.00015 $0.00102
Haiku 4.5 $0.00007 $0.00051

Measured 10d ago against content hash fe52b631de8b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

ogr2ogr-recipes 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 10d 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/gis/intermediate/ogr2ogr-recipes/SKILL.md · 41 lines

What it actually says

ogr2ogr Recipes

ogr2ogr is the fastest way to move vector data around — and easy to get subtly wrong. Use the known-good patterns.

Reproject correctly

  • -t_srs EPSG:xxxx transforms to a target CRS.
  • -s_srs EPSG:yyyy sets the source CRS — needed when the source CRS is undefined or wrong. Setting -s_srs does not move coordinates; only -t_srs transforms them. (This is the define-vs-project distinction; see crs-discipline.)

Pick robust formats

  • Prefer GeoPackage (-f GPKG) over shapefile: no 2 GB limit, no 10-character field-name truncation, no .dbf encoding surprises, multiple layers in one file.
  • Use -nlt PROMOTE_TO_MULTI to avoid "mixed single/multi geometry" failures when a layer has both.

Load into PostGIS

ogr2ogr -f PostgreSQL "PG:host=... dbname=... user=..." input.gpkg \
  -nln schema.table -nlt PROMOTE_TO_MULTI -lco GEOMETRY_NAME=geom -lco FID=id

Filter on the way through

  • Attributes: -where "status = 'active'"
  • Bounding box: -spat xmin ymin xmax ymax
  • Clip to a layer: -clipsrc clip.gpkg

Safety

  • Run ogrinfo -so <file> first to confirm layer name, CRS, geometry type, and feature count — and again after, to verify.
  • -makevalid repairs geometry in transit; use -skipfailures only when you understand what's being skipped (and report how many).

Why this matters

A guessed ogr2ogr command often "succeeds" while silently truncating field names, dropping the CRS, mangling encoding, or skipping features. The recipes above make the common conversions correct and verifiable instead of hopeful.

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. 10d ago First seen · 41 lines · 73 tokens per session scan A fe52b631de8b

Subscribe to this mod's changes

ogr2ogr-recipes is a skill published in the GitHub repository buildmoonshot/skillpacks (2 stars, last pushed 2mo ago), licensed MIT. It adds 73 tokens to every session and 512 once invoked, about $0.0004 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 2026-08-31.