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地理情報と場所データ

住所のジオコーディング、座標からの逆ジオコーディング、郵便番号から国・州の特定、国情報(首都、通貨、人口、国旗)の取得など、ライブな地理情報検索が必要なタスクに使用します。Nominatim(OpenStreetMap)、Zippopotam、APICountriesをキー不要で利用します。

地理情報と場所データ とは?

このスキルは、場所の名前、住所、座標、郵便番号を構造化された地理情報に変換するための、キー不要のAPI群を提供します。デフォルトのジオコーディングエンジンはNominatim(OpenStreetMap)で、住所やPOIの検索、逆ジオコーディングを無料で実行できます。Open-Meteo Geocoderは市区町村名のみから緯度経度を高速に取得するのに適しており、Zippopotamは60か国以上の郵便番号データを、APICountriesは国別の詳細情報(首都、通貨、人口、フラグなど)を提供します。これらのAPIはすべてキー不要で、レート制限やHTTPヘッダーの適切な設定といった利用ルールに従うことで、Google Maps APIなどの有料サービスに頼らずに地理情報タスクを効率的に処理できます。天気予報や時系列の国別統計データには使用しないでください。

対応~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/SkillMedev/skills/tree/HEAD/skills/geo-places

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ドキュメント

地理情報と場所データ は何をしますか?

場所の名前、住所、座標、郵便番号を、キー不要のAPIを使って構造化された地理情報に変換します。このスキルが防ぐミス: トレーニングデータからGoogle Maps/Places API(キー必須、課金制)を思い出して使ってしまうこと。Nominatimが同じ検索を無料で提供しているのに、あるいは、ディレクトリにリストされている多数のジオコーダーのうち、実際に動作するものがどれか判断に迷ってしまうことを防ぎます。

ランク付けされたAPI

  1. Nominatim (nominatim.openstreetmap.org) - ジオコーディングと逆ジオコーディングのデフォルト。OSMデータ、全世界対応、キー不要。以下に厳格なエチケットルールがあります。
  2. Open-Meteo Geocoder - 市区町村名 → 緯度経度のみ。高速でルールフリー。住所やPOIではなく、単純な集落名が入力の場合に使用します。
  3. Zippopotam.us - 郵便番号 → 場所/州/座標、60か国以上、キー不要。
  4. APICountries (www.apicountries.com) - 国情報: 首都、通貨、言語、人口、国旗、国境。キー不要。(旧REST Countriesの応答形式を提供します。REST Countries自体は現在、キーなしでは非推奨エラーを返します - 「使用禁止」を参照)

手順

  1. 入力を分類する: 住所/POI → Nominatim検索; 座標 → Nominatim逆ジオコーディング; 市区町村名のみ → Open-Meteo Geocoder; 郵便番号 → Zippopotam; 国名/コード → APICountries。
  2. Nominatimのエチケットを守る - これらは強制事項であり、提案ではありません: 最大 1リクエスト/秒、アプリを識別する実際のUser-Agent(匿名UAはブロックされます)、数千行のバルクジオコーディング禁止。バッチ処理の場合は、1秒以上のスリープを挟んでループし、その旨を明記します。非常に大きなバッチの場合は、セルフホストのNominatimや有料のジオコーダーが必要であることをユーザーに伝え、パブリックインスタンスに負荷をかけないようにします。
  3. Nominatimからの座標は文字列として読み取る - lat/lonはJSON文字列として返され、数値ではありません。算術演算の前にパースします。

不明な点があればユーザーに尋ねる: 場所/座標の入力そのもの、および曖昧な名前(「Springfield」など)の場合は国コンテキスト。デフォルトではNominatimのトップヒットを採用し、どの地名かを明示します。

URLテンプレートと実際の応答形式

ジオコーディング(検索):

https://nominatim.openstreetmap.org/search?q={URLエンコードされたクエリ}&format=jsonv2&limit=1
[{"lat":"48.8582599","lon":"2.2945006","name":"Tour Eiffel",
  "display_name":"Tour Eiffel, 5, Avenue Anatole France, ..., 75007, France",
  "category":"man_made","type":"tower","importance":0.62}]

トップレベルは配列です。空配列 = 該当なし。構造化されたaddressオブジェクトを取得するには&addressdetails=1を、国を限定するには&countrycodes=usを追加します。

逆ジオコーディング:

https://nominatim.openstreetmap.org/reverse?lat={lat}&lon={lon}&format=jsonv2

単一のオブジェクト(配列ではない)を返します: display_name、さらに&addressdetails=1(逆ジオコーディングではデフォルトでオン)でaddress.{road,city,state,postcode,country_code}。

市区町村名 → 緯度経度(完全な住所が不要な場合):

https://geocoding-api.open-meteo.com/v1/search?name={city}&count=1
{"results":[{"name":"Berlin","latitude":52.52437,"longitude":13.41053,
  "country_code":"DE","timezone":"Europe/Berlin","population":3426354}]}

一致しない場合はresultsキー自体が存在しません。空の配列ではなく、キーの有無でチェックします。

郵便番号:

https://api.zippopotam.us/{country}/{code}        ← 例: /us/90210, /de/10115
{"country":"United States","places":[{"place name":"Beverly Hills",
  "state":"California","state abbreviation":"CA","latitude":"34.0901","longitude":"-118.4065"}]}

注意点: キーにスペースが含まれます("place name", "post code")。座標は文字列です。不明なコードは空ボディで404を返し、JSONは返しません。

国情報:

https://www.apicountries.com/name/{name}      ← あいまい検索、配列を返す
https://www.apicountries.com/alpha/{code}     ← ISO alpha-2/alpha-3、オブジェクトを返す
[{"name":"Japan","capital":"Tokyo","region":"Asia","population":126476461,
  "currencies":[{"code":"JPY","symbol":"¥"}],"languages":[{"name":"Japanese"}],
  "alpha2Code":"JP","flags":{"png":"https://flagcdn.com/w320/jp.png"}}]

成果物

構造化された結果(座標は数値、住所部分、または国情報)と、使用した正確なURL。バッチ処理の場合: 実際にスロットルがかけられたループと、そのレートを明記します。

使用禁止 - 代わりにXを使用

  • Google Maps / Places, Mapbox, HERE - キー必須、課金制。上記のすべては無料です。ユーザーにサインアップを促さないでください。
  • REST Countries (restcountries.com) - クラシックなエンドポイントは非推奨エラーを返し、置き換えには認証キーが必要です。APICountriesが同じ形式をキー不要で提供します。
  • ip-api.comおよびほとんどの無料IP地理位置情報サービス - 無料枠ではHTTPのみ(HTTPS要件を満たせない)。このスキルはIP地理位置情報APIを含みません。
  • ジオコーディングした場所の天気 - weather-climateを使用。
  • 時系列の国別統計 - government-open-dataを使用。

品質基準

  • Nominatim呼び出しは実際のUser-Agentを設定し、ループ内も含めて1 req/sを超えないこと。
  • 文字列の座標は、演算前に数値にパースすること。
  • 曖昧な地名は明示的に解決すること(「Springfield, Illinoisを採用しました - Nominatimのトップヒット」)。

出典: public-apisプロジェクト (MITライセンス) から取得し、動作確認済み。

Individual skills in this repo

This repo contains 19 individual skills — each has its own dedicated page.

SkillMedev/skills

Designs REST API surfaces - resource naming, HTTP method and status-code semantics, error shapes, pagination, and filtering - and delivers an endpoint spec a consumer can build against without asking questions. Use when someone asks "how should I name this endpoint", "what status code should this return", "should this be PUT or PATCH", "how do I paginate this list", or is reviewing an API before it ships to external consumers. Do NOT use for planning breaking-change rollouts and deprecation windows - use api-versioning-strategist instead; for GraphQL type and resolver design - use graphql-schema instead; for generating client SDKs from an existing spec - use api-client-generator instead; for designing inbound webhook endpoints - use webhook-receiver-hardener instead.

SkillMedev/skills

Produce an accurate, properly timed caption track (SRT or WebVTT) from a video's audio - transcribing or aligning to the voiceover script, timing cues to speech, and enforcing line-length and reading-speed rules so captions are readable and in sync. Use when someone says "generate captions", "make subtitles from the audio", "transcribe and caption this", "export an SRT or VTT", "the captions are out of sync", or "the subtitles flash by too fast to read". Do NOT use to burn-in, style, reframe, or position an existing caption track for a platform (9:16, brand styling, safe areas) - that is social-video-formatter; do NOT use to animate text word-by-word as a motion graphic - that is kinetic-typography; do NOT use to write the spoken script in the first place - that is narration-script.

SkillMedev/skills

Turns data and charts into a decision-driving narrative structured as headline finding, trend, implication, and recommended action - with finding-led chart titles, context for every number, annotation guidance, and honest flags on any conclusion the data cannot support. Use when someone says "turn these numbers into a story", "what's the takeaway from this data", "help me present these results to leadership", or has charts but no narrative. Do NOT use for compressing a long document into a one-pager - use executive-summary instead - or for running the analysis that produces the findings - use eda-playbook instead.

SkillMedev/skills

Use when a task needs live or historical money data - "convert USD to EUR", "current/past exchange rate", "FX rate on this date / over this range", or "current price of Bitcoin/Ethereum, market cap, 24h change". Frankfurter (ECB reference rates, no key) is the FX default; CoinGecko's free keyless tier covers crypto. Do NOT use for stock quotes or equities - no keyless stock API survives verification, say so instead of guessing; do NOT use for country economic indicators like GDP or inflation series - use government-open-data instead; if the request is a vague "I need live data", route through public-data-api-picker.

SkillMedev/skills

Builds a driver-based FP&A operating model linking business inputs to P&L, balance sheet, and cash flow outputs. Use when building an annual plan, preparing investor materials, running scenario analysis, or stress-testing the business.

SkillMedev/skills

Runs the full Getting Things Done loop - capture, clarify, organize, reflect, engage - building a trusted system of context lists, a projects list with defined next actions, and a weekly review habit. Use when someone says "I'm overwhelmed and things are slipping through the cracks", "set up GTD for me", "help me do a brain dump and organize it", or "my to-do list is a mess". Do NOT use for just running the weekly review ritual itself - use weekly-review instead - or for clearing an email backlog - use inbox-zero.

SkillMedev/skills

Processes any email backlog to zero using the 4Ds - Delete, Delegate, Defer, Do - with a mass-archive strategy for the obvious, a touch-each-email-once discipline, and a keep-it-clear system of batched processing windows, ruthless unsubscribing, filters, and a minimal folder setup. Use when someone says "I have 5,000 unread emails", "help me get to inbox zero", "email is eating my whole day", or treats their inbox as a to-do list. Do NOT use for drafting the reply emails themselves or prioritization rules for an ongoing support queue - use email-triage instead - or for protecting focus time around the email windows - use deep-work-planner instead.

SkillMedev/skills

Write landing-page copy section by section - hero, social proof, features-as-benefits, objections, CTA - leading with one promise and proving it down the page. Use when someone asks "write my landing page", "improve my hero headline", "what should the homepage say", "turn these features into benefits", or is shipping a new page for a launch or campaign. Do NOT use for testing and optimizing an existing page's conversion rate - use landing-page-cro instead; for the one-line claim itself use positioning-statement; for the full message ladder use messaging-hierarchy.

SkillMedev/skills

Improves an existing landing page's conversion rate through evidence-first CRO - audit heatmaps and recordings, write structured hypotheses, prioritize with ICE scoring, and run one-variable tests to statistical significance. Use when someone asks "why isn't my landing page converting", "audit this page before we scale spend", "which A/B test should we run first", or after a CVR drop or ahead of a paid-traffic push. Do NOT use for writing a new landing page from scratch - use landing-page-copy instead. Do NOT use for auditing the ad accounts sending the traffic - use paid-acquisition-audit instead. Do NOT use for reading the results of a finished experiment - use ab-test-analyzer instead.

SkillMedev/skills

Runs structured coaching sessions using values clarification and the GROW model, ending every session with one committed action, a deadline, and an if-then plan for the likely obstacle. Use when someone says "I feel stuck in my life", "help me figure out what I want", "hold me accountable to my goals", or "coach me through this decision". Do NOT use for building a stress toolkit - use stress-management instead - or a journaling practice - use journal-framework; for a standing goal-tracking system, use goals-accountability. Coaching, not therapy: signs of clinical distress route to a licensed professional.

SkillMedev/skills

Adapts English content for a target language and region - swapping idioms, setting the right formality register, replacing cultural references, converting dates, units, and currency - and delivers the localized text with a notes column explaining each adaptation and flagging what needs a native reviewer. Use when someone asks "localize this copy for the Japanese market", "adapt our marketing copy for the Mexican market", "make this translation sound native instead of literal", or a literal translation reads foreign, stiff, or risky. Do NOT use for auditing in-product UI text quality - use ux-writing-audit instead.

SkillMedev/skills

Turns a natural-language video brief into a complete, ready-to-preview Remotion composition - extracts duration, scenes, brand colors, aspect ratio, and real copy; plans the frame budget; and writes data-driven React/TypeScript using useCurrentFrame, interpolate, spring, AbsoluteFill, and Sequence, registered in Root.tsx. Use when someone says "build a 20-second product demo video", "animate a feature walkthrough", "write the Remotion code for this marketing clip", or wants a scene-by-scene composition they can scrub in Studio. Do NOT use for rendering, iterating, or batching the finished MP4 - use remotion-render instead - or for installing and scaffolding the project - use remotion-setup instead.

SkillMedev/skills

Scaffolds a new Remotion video project wired for Claude Code Agent Skills - Node check, create-video scaffold, skills install, folder conventions, Google Fonts, and a smoke-test render. Use whenever someone wants to start making videos with Remotion and Claude, even just "make product videos with Claude.

SkillMedev/skills

Classifies incident severity (SEV1-4) using impact, scope, and urgency signals and decides who to page. Use when an alert fires or a report comes in and a severity call must be made quickly.

SkillMedev/skills

Use the Skill Me catalog from inside any conversation - discover, install, and manage Claude skills through the Skill Me MCP, and load installed skills automatically each session.

SkillMedev/skills

Write one platform-native caption from a topic and brand voice, with a front-loaded hook, native length, and a single earned CTA. Use when the user gives a topic (and optionally brand voice or a described image/video) and asks for an Instagram, LinkedIn, X/Twitter, or TikTok caption. Do NOT use when the user wants a dedicated standalone LinkedIn post - use linkedin-post-writer instead; or a multi-post X thread - use tweet-thread-builder instead; or to adapt one existing piece of content into versions for several channels - use cross-platform-reformatter instead.

SkillMedev/skills

Reframe and export a finished video for social platforms - 9:16 ↔ 16:9 cropping, burned-in captions, a platform-native first frame, loop design, and per-platform specs (aspect, length, safe areas) for TikTok, Reels, Shorts, X, and LinkedIn. Use when someone says "make this vertical", "crop to 9:16", "format for TikTok/Reels/Shorts", "add captions/subtitles", "why is my video cut off on mobile", "resize for Instagram", or "export for social". Do NOT use when the question is about the storyboard or shot order before any video exists (use video-storyboard); the animation craft of how elements move (use motion-design-principles); animated word-by-word caption styling (use kinetic-typography); palette, contrast, or lighting (use motion-color-and-light); directing the product-demo content and screen choreography (use product-demo-director); or scoring, beat-syncing, or audio (use sound-and-music-sync) - this is the craft layer that decides WHAT to format for the feed, then hands a concrete spec to remotion-compo...

SkillMedev/skills

Writes and tunes PySpark jobs - join strategy and broadcast size limits, shuffle-partition sizing, skew diagnosis and salting, UDF avoidance, caching, and output file layout - with concrete size and skew thresholds. Use when someone asks "why is my Spark job slow", "should I broadcast this join", "one task takes forever while the rest finish", "my job OOMs during a join", or is writing a new PySpark ETL job. Do NOT use for Kafka topic, consumer-group, or streaming-pipeline design - use kafka-pipelines instead; do NOT use for single-machine dataframe work that fits in memory - use pandas-expert instead.

SkillMedev/skills

Builds clean, performant, accessible SwiftUI views with correct state ownership, scoped invalidation, and smooth list scrolling, and reviews existing SwiftUI code against a concrete frame-time and re-render budget. Use when someone asks "why does my SwiftUI list stutter", "should this be @State or @Observable", "my whole screen re-renders when one row changes", "how do I animate this transition", or wants a SwiftUI view built or refactored. Do NOT use for cross-platform React Native apps - use react-native-pro instead; do NOT use for Flutter widget trees - use flutter-widget-architect instead; do NOT use for Android Compose UIs - use jetpack-compose-builder instead.

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