maps

A mapping toolkit for finding places, coordinates, routes, travel times, and time zones using open geographic data.

In plain words
What is it for?
Use it to geocode place names, reverse coordinates into addresses, find nearby businesses or services, calculate travel times, and get directions.
Why use it?
It removes the need to combine separate services for addresses, nearby places, directions, distances, and time zones.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/john-data-chen/hermes-agent-backup/maps
Any agent
npx skills add john-data-chen/hermes-agent-backup --skill maps
Clone the repo
git clone --depth 1 https://github.com/john-data-chen/hermes-agent-backup

Made for: Claude Code, Codex.

Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,761 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 84% copy Near-identical to another mod 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 $0.00020 $0.01761
Opus 5 $0.00010 $0.00881
Sonnet 5 $0.00004 $0.00352
Haiku 4.5 $0.00002 $0.00176

Measured 2d ago against content hash 8c961ecf6628, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

maps 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 2d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/maps_client.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Origin

This is a copy

84% identical to maps — 54 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/productivity/maps/SKILL.md · 196 lines

How it starts

The opening of the file, as written. The whole thing — 196 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Maps Skill

Location intelligence using free, open data sources. 8 commands, 44 POI categories, zero dependencies (Python stdlib only), no API key required.

Data sources: OpenStreetMap/Nominatim, Overpass API, OSRM, TimeAPI.io.

This skill supersedes the old find-nearby skill — all of find-nearby's functionality is covered by the nearby command below, with the same --near "<place>" shortcut and multi-category support.

When to Use

  • User sends a Telegram location pin (latitude/longitude in the message) → nearby
  • User wants coordinates for a place name → search
  • User has coordinates and wants the address → reverse
  • User asks for nearby restaurants, hospitals, pharmacies, hotels, etc. → nearby
  • User wants driving/walking/cycling distance or travel time → distance
  • User wants turn-by-turn directions between two places → directions
  • User wants timezone information for a location → timezone
  • User wants to search for POIs within a geographic area → area + bbox

Prerequisites

Python 3.8+ (stdlib only — no pip installs needed).

Script path: ~/.hermes/skills/maps/scripts/maps_client.py

Commands

MAPS=~/.hermes/skills/maps/scripts/maps_client.py

search — Geocode a place name

python3 $MAPS search "Eiffel Tower"
python3 $MAPS search "1600 Pennsylvania Ave, Washington DC"

Returns: lat, lon, display name, type, bounding box, importance score.

reverse — Coordinates to address

python3 $MAPS reverse 48.8584 2.2945

Returns: full address breakdown (street, city, state, country, postcode).

nearby — Find places by category

# By coordinates (from a Telegram location pin, for example)
python3 $MAPS nearby 48.8584 2.2945 restaurant --limit 10
python3 $MAPS nearby 40.7128 -74.0060 hospital --radius 2000

# By address / city / zip / landmark — --near auto-geocodes
python3 $MAPS nearby --near "Times Square, New York" --category cafe
python3 $MAPS nearby --near "90210" --category pharmacy

# Multiple categories merged into one query
python3 $MAPS nearby --near "downtown austin" --category restaurant --category bar --limit 10

Read the full file on GitHub · 196 lines

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. 2d ago First seen · 196 lines · 20 tokens per session scan A 8c961ecf6628

Subscribe to this mod's changes

maps is a skill published in the GitHub repository john-data-chen/hermes-agent-backup (2 stars, last pushed 1mo ago), licensed MIT. It adds 20 tokens to every session and 1,761 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 84% identical to maps, differing in 54 lines, and is treated as a copy.

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