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Agent skill

Mapkit

by dpearson2699 in dpearson2699/swift-ios-skills

Implement, review, or improve maps and location features in iOS/macOS apps using MapKit and CoreLocation.

Custom licenceAuto-check passedMobile

Install Mapkit

skills CLI
$ npx skills add dpearson2699/swift-ios-skills --skill mapkit -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install dpearson2699/swift-ios-skills mapkit --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/dpearson2699/swift-ios-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/mapkit .claude/skills/mapkit && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
mapkit
GitHub stars
1.2k
Token cost
~4.1k tokens
SKILL.md length
835 words
Files
4 (incl. references)
Skills in repo
86
Repo updated
First seen
Licence
Custom licence

At a glance

Implement, review, or improve maps and location features in iOS/macOS apps using MapKit and CoreLocation.

  • Works in 5 steps: Add a map with markers or annotations → Track user location → Search for places → …
  • Working with Map views
  • SKILL.md covers Contents, Workflow, SwiftUI Map View (iOS 17+) and CoreLocation Modern API, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Mapkit is an agent skill from dpearson2699/swift-ios-skills. Implement, review, or improve maps and location features in iOS/macOS apps using MapKit and CoreLocation. Use when working with Map views, annotations, markers, polylines, user location tracking, geocoding, reverse geocoding, search/autocomplete, directions and routes, geofencing, region monitoring, CLLocationUpdate async streams, or location authorization flows. Also use when working with maps, coordinates, addresses, places, directions, distance calculations, or location-based features in Swift apps.

Its SKILL.md is about 4.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including reference files (for example `evals/evals.json`, `references/mapkit-corelocation-patterns.md` and `references/mapkit-patterns.md`).

It sits in Mobile, covering iOS development, Geospatial analysis and Authorization and RBAC. It works with iOS, macOS and SwiftUI. The repository describes itself as: Agent Skills for iOS 26+, Swift 6.3, SwiftUI, and modern Apple frameworks.

When your agent uses it

  • Working with Map views
  • User location tracking
  • Reverse geocoding
  • Search/autocomplete

Example prompts

  • “/mapkit”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Add a map with markers or annotations
  2. Track user location
  3. Search for places
  4. Get directions and display a route
  5. Review existing map/location code

What it can do on your machine

Read from SKILL.md and the folder at commit 8d90fd1. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are swift).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Mapkit loads about 4.1k tokens when it runs, and up to ~15k if it reads all its reference files. Until then it costs about 129 tokens; SKILL.md has 835 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~129
When it runs · the whole SKILL.md, loaded when a task matches
~4.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~15k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 835 words (~4,106 tokens).

“Build map-based and location-aware features targeting iOS 17+ with SwiftUI MapKit and modern CoreLocation async APIs. Use Map with MapContentBuilder for views, CLLocationUpdate.liveUpdates() for streaming location, and CLMonitor for geofencing.”

— opening of SKILL.md by dpearson2699, Custom licence
name
mapkit

Read the full SKILL.md on GitHub

Files

SKILL.md and 3 other files (references) in skills/mapkit of dpearson2699/swift-ios-skills.

  • SKILL.md
  • evals/evals.json
  • references/mapkit-corelocation-patterns.md
  • references/mapkit-patterns.md

Open the folder on GitHubat commit 8d90fd1

Compare with similar skills

Mapkit next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Mapkit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Mapkit this skilldpearson2699/swift-ios-skills1.2k—~4.1kAutomated safety check: PassCustom licence
Swiftui Expert SkillAvdLee/SwiftUI-Agent-Skill3.7k—~2.9kAutomated safety check: PassMIT
Swiftui Expert SkillEslzzyl/Pixiv-SwiftUI1115 repos~3.1kAutomated safety check: PassAGPL-3.0
Hig Project Contextraintree-technology/hig-doctor1425 repos~1.2kAutomated safety check: PassMIT
Hig Components Contentraintree-technology/hig-doctor1425 repos~1.3kAutomated safety check: PassMIT
SwiftUI Design SkillWholiver/swiftui-design-skill210—~2.8kAutomated safety check: PassMIT

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Works with

Categories

Questions about Mapkit

What does Mapkit do?

Implement, review, or improve maps and location features in iOS/macOS apps using MapKit and CoreLocation. Mapkit is an agent skill from dpearson2699/swift-ios-skills. Implement, review, or improve maps and location features in iOS/macOS apps using MapKit and CoreLocation.

When should I use Mapkit?

Mapkit fits situations like: working with Map views; user location tracking; reverse geocoding; search/autocomplete.

How do I install Mapkit in Claude Code?

Run `npx skills add dpearson2699/swift-ios-skills --skill mapkit -a claude-code`. Or copy the skill folder (skills/mapkit in dpearson2699/swift-ios-skills) into .claude/skills/mapkit in your project. Claude Code loads it when a task matches its description.

How do I install Mapkit in Codex?

Run `npx skills add dpearson2699/swift-ios-skills --skill mapkit -a codex`. Or copy the skill folder (skills/mapkit in dpearson2699/swift-ios-skills) into .agents/skills/mapkit in your project. Codex loads it when a task matches its description.

Can I use Mapkit in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add dpearson2699/swift-ios-skills --skill mapkit -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mapkit, .gemini/skills/mapkit, .github/skills/mapkit and .opencode/skills/mapkit in your project.

What does Mapkit need to run?

SKILL.md names no scripts, command-line tools or credentials: Mapkit is instructions for the agent only.

Does Mapkit access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Mapkit safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Mapkit use?

Mapkit has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Mapkit use?

About 4.1k tokens (SKILL.md is roughly 16k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 11k tokens, read only when the agent opens those files.

What are the alternatives to Mapkit?

Skills that share tags, products or a category with Mapkit: Swiftui Expert Skill (AvdLee/SwiftUI-Agent-Skill, 3.7k stars), Swiftui Expert Skill (Eslzzyl/Pixiv-SwiftUI, 111 stars), Hig Project Context (raintree-technology/hig-doctor, 142 stars) and Hig Components Content (raintree-technology/hig-doctor, 142 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Mapkit?

dpearson2699 (a GitHub user) maintains it in dpearson2699/swift-ios-skills, which has 1,173 GitHub stars. The repository holds 86 skills in this directory. The repository was last updated on July 31, 2026.

Source: dpearson2699/swift-ios-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.