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Geohash: encoding, neighbours and spatial index v1.0.0

Use this resource to implement or debug geohashes, proximity queries and a spatial index

New

  • 509 downloads
  • 106 likes
  • 141 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install geohash-spatial-indexing

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent implements or reviews geohashes in TypeScript or Rust against 42 rules: bit interleaving, the base32 alphabet, precision, neighbours, proximity queries and indexing. It also covers projecting code onto a plane. You get exact encodings and fast spatial searches.

Mostly picked by

Updated November 2, 2026

Card for the “Geohash: encoding, neighbours and spatial index” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

Similar resources

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What you get

  • references/: cards on bit interleaving, the alphabet and rounding errors
  • references/: cards on decoding to bounding boxes and symmetric reconstruction

Good fit for

  • Your geohashes are off by one cell near the edges
  • You need points within a radius of a position

Not for

    Tags

    • geohash
    • spatial
    • typescript
    • rust
    • index

    About

    You say

    “Write the geohash encoder in TypeScript, then a function that returns the eight neighbours of a cell.”

    Card for the “Geohash: encoding, neighbours and spatial index” skill

    Skill published by pproenca under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to implement or debug geohashes, proximity queries and a spatial index
    3. Review and adjust the result

    Content preview

    Files

    • AGENTS.md10.6 KB
    • assets/templates/_template.md1 KB
    • LICENSE1.1 KB
    • metadata.json1.7 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/_sections.md3.2 KB
    • references/dec-avoid-roundtrip-reencode.md1.6 KB
    • references/dec-decode-to-bbox.md1.9 KB
    • references/dec-precompute-reverse-alphabet.md1.7 KB
    • references/dec-symmetric-interval-reconstruction.md2 KB
    • references/enc-base32-alphabet.md2 KB
    • references/enc-binary-chop-no-float-drift.md1.8 KB
    • references/enc-five-bit-char-boundary.md1.9 KB
    • references/enc-integer-morton-encode.md3 KB
    • references/enc-interleave-longitude-first.md3.4 KB
    • references/enc-normalize-input-domain.md2.2 KB
    • references/idx-db-prefix-index.md1.9 KB
    • references/idx-integer-sortable-key.md1.9 KB
    • references/idx-range-query-from-covering-set.md1.8 KB
    • references/idx-sorted-string-range-scan.md2.1 KB
    • references/idx-trie-hierarchical-bucketing.md2.3 KB
    • references/map-coupling-implies-proximity.md1.9 KB
    • references/map-deterministic-projection.md2.2 KB
    • references/map-normalize-to-geohash-domain.md2.2 KB
    • references/map-persist-coordinate-sidecar.md2 KB
    • references/map-precision-as-architectural-level.md1.9 KB
    • references/map-prefix-as-domain-region.md2.1 KB
    • references/map-stable-coordinates.md2 KB
    • references/nav-breadcrumb-prefix-path.md2 KB
    • references/nav-cluster-by-prefix.md1.7 KB
    • references/nav-level-of-detail-aggregation.md1.8 KB
    • references/nav-precision-to-zoom-levels.md1.9 KB
    • references/nav-tile-lazy-loading.md1.7 KB
    • references/nbr-antimeridian-wrap.md1.8 KB
    • references/nbr-canonical-lookup-tables.md2.7 KB
    • references/nbr-eight-neighbor-set.md1.8 KB
    • references/nbr-integer-level-neighbors.md1.9 KB
    • references/nbr-pole-handling.md1.6 KB
    • references/prec-avoid-mixed-precision.md1.9 KB
    • references/prec-cells-are-not-square.md1.9 KB
    • references/prec-cells-shrink-toward-poles.md1.9 KB
    • references/prec-choose-from-error-radius.md1.9 KB
    • references/prec-error-is-half-cell.md1.7 KB
    • references/qry-bbox-range-decomposition.md2 KB
    • references/qry-expand-precision-when-sparse.md2 KB
    • references/qry-precision-from-radius.md1.6 KB
    • references/qry-refine-with-haversine.md2.2 KB
    • references/qry-search-cell-plus-neighbors.md1.9 KB
    • SKILL.md10 KB

    Origin and licence

    Listed unmodified

    Author
    pproenca
    Source
    github.com/pproenca/dot-skills/tree/cf93c57cac89d6fc3e4194686000411567f5caf3/skills/.experimental/geohash-spatial-code-maps
    Licence
    MIT

    Notice

    « geohash-spatial-code-maps » (pproenca, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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