Agent skill

Flight Tracker

by mohitagw15856 in mohitagw15856/pm-claude-skills

Track live aircraft positions with zero API keys — adsb.lol's open ADS-B network primary, OpenSky fallback, via curl: by callsign, registration, or area.

MITAuto-check passed

Install Flight Tracker

skills CLI
$ npx skills add mohitagw15856/pm-claude-skills --skill flight-tracker -a claude-code

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

GitHub CLI
$ gh skill install mohitagw15856/pm-claude-skills flight-tracker --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/mohitagw15856/pm-claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/flight-tracker .claude/skills/flight-tracker && 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
flight-tracker
GitHub stars
1.4k
Token cost
~1.3k tokens
SKILL.md length
626 words
Files
1
Skills in repo
1,348
Repo updated
First seen
Licence
MIT

At a glance

Track live aircraft positions with zero API keys — adsb.lol's open ADS-B network primary, OpenSky fallback, via curl: by callsign, registration, or area.

  • Works in 5 steps: adsb.lol — primary: by callsign: curl -s… → OpenSky — fallback: curl -s… → Interpret the physics: baro_rate near 0… → …
  • Asked where is this flight right now
  • SKILL.md covers What This Skill Produces, Required Inputs, Framework: The Network and the… and Output Format, plus 3 more sections
  • Calls curl; reaches api.adsb.lol and opensky-network.org

What it does

Flight Tracker is an agent skill from mohitagw15856/pm-claude-skills. Track live aircraft positions with zero API keys — adsb.lol's open ADS-B network primary, OpenSky fallback, via curl: by callsign, registration, or area. Use when asked where is this flight right now, what planes are overhead, track a tail number, or is that flight in the air. Produces the live position with altitude, speed, and heading interpreted, the overhead list for a location, and the rerunnable command — with the positions-not-schedules boundary stated honestly.

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: 1255 professional Agent Skills for Claude, ChatGPT, Gemini, Cursor & Codex — PRDs, postmortems, leases, medical bills, layoffs, go-bags, new countries. Plain markdown, MIT, in… The licence is MIT.

When your agent uses it

  • Asked where is this flight right now
  • What planes are overhead
  • Track a tail number
  • Is that flight in the air

Example prompts

  • “/flight-tracker”

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. adsb.lol — primary: by callsign: curl -s "https://api.adsb.lol/v2/callsign/BAW123" · by registration: .../v2/reg/G-XLEB · by hex…
  2. OpenSky — fallback: curl -s "https://opensky-network.org/api/states/all?lamin=51.4&lamax=51.6&lomin=-0.4&lomax=0.2" — anonymous access…
  3. Interpret the physics: baro_rate near 0 at 35,000+ ft = cruise; sustained −1,500 ft/min = descent (landing within ~30–45 min, framed as an…
  4. Coverage honesty: ADS-B networks depend on volunteer ground receivers — coverage is excellent over Europe/NA, patchy over oceans and parts…
  5. The schedule boundary: delays, gates, cancellations, scheduled times → keyed services (airline apps, FlightAware/FR24) — name them, don't…

What it can do on your machine

Read from SKILL.md and the folder at commit 1cbf1f0. 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

    Shell commands in SKILL.md call:

    • curl

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

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • api.adsb.lol
    • opensky-network.org

    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

Flight Tracker loads about 1.3k tokens when it runs. Until then it costs about 122 tokens; SKILL.md has 626 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~122
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k

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

The full file from mohitagw15856/pm-claude-skills at commit 1cbf1f0, republished under its MIT licence (© mohitagw15856). 626 words, ~1,313 tokens.

Download SKILL.mdSave it as .claude/skills/flight-tracker/SKILL.md (or your agent's skills folder).
name
flight-tracker
description
Track live aircraft positions with zero API keys — adsb.lol's open ADS-B network primary, OpenSky fallback, via curl: by callsign, registration, or area. Use when asked where is this flight right now, what planes are overhead, track a tail number, or is that flight in the air. Produces the live position with altitude, speed, and heading interpreted, the overhead list for a location, and the rerunnable command — with the positions-not-schedules boundary stated honestly.

Flight Tracker Skill

"Where's that flight right now?" has a genuinely open answer: hobbyist ADS-B receiver networks share live aircraft transponder data keylessly — adsb.lol serves it clean, OpenSky backs it up. This skill queries by callsign, hex, or area, and translates transponder math into human answers ("over Poland at 38,000 ft, ~40 minutes from Warsaw-ish airspace"). It's equally honest about the boundary: this is positions, not airline operations — gate changes, delays, and cancellations live in keyed commercial services, and pretending otherwise produces confident fiction.

What This Skill Produces

  • The position — where the aircraft is now: location in words, altitude, ground speed, heading, climb/descent
  • The overhead list — aircraft above/near a point, sorted by distance
  • The interpretation — cruise vs. descent, direction of travel, rough progress — labeled as inference from position data
  • The command — exact curl, rerunnable — and the boundary line when the question was schedule-shaped

Required Inputs

Ask for these if not provided:

  • The identifier — callsign (what ATC uses: BAW123, often ≈ flight number with the airline's ICAO prefix — BA→BAW, LH→DLH, UA→UAL; do the mapping and say so), registration/tail number, or ICAO hex
  • Or the place — lat/lon for "what's overhead" questions, with a radius
  • What they actually want — position/curiosity vs. "is it delayed / when does it land" — the second gets the honest redirect plus what positions can infer

Framework: The Network and the Boundary

  1. adsb.lol — primary: by callsign: curl -s "https://api.adsb.lol/v2/callsign/BAW123" · by registration: .../v2/reg/G-XLEB · by hex: .../v2/hex/4075a2 · overhead: .../v2/lat/51.5/lon/-0.12/dist/25 (nm). Fields per aircraft: flight (callsign), alt_baro (ft), gs (knots), track (° heading), baro_rate (ft/min climb/descent), lat/lon, t (type).
  2. OpenSky — fallback: curl -s "https://opensky-network.org/api/states/all?lamin=51.4&lamax=51.6&lomin=-0.4&lomax=0.2" — anonymous access, tighter rate limits; state vectors as positional arrays (index 1 callsign, 5/6 lon/lat, 7 baro alt m, 9 velocity m/s). Units differ between the two (ft/knots vs. m and m/s) — convert deliberately, never mix.
  3. Interpret the physics: baro_rate near 0 at 35,000+ ft = cruise; sustained −1,500 ft/min = descent (landing within ~30–45 min, framed as an estimate); track + position = direction in words ("heading east over Poland"). All labeled inference.
  4. Coverage honesty: ADS-B networks depend on volunteer ground receivers — coverage is excellent over Europe/NA, patchy over oceans and parts of Africa/Asia. "Not found" means not currently received or not airborne, and the answer says both possibilities, not "the flight doesn't exist."
  5. The schedule boundary: delays, gates, cancellations, scheduled times → keyed services (airline apps, FlightAware/FR24) — name them, don't fake them. What positions legitimately infer (airborne yes/no, descent begun, rough progress) is offered as the keyless consolation, labeled as inference.
Show full SKILL.md (214 more words)Show less

Output Format

Flight: [callsign/reg] — [fetch time]

[The answer: "Airborne — over [area] at [alt] ft, [speed] kn, heading [direction]; descending, likely landing within ~[range]." or the honest not-received line.]

FieldValue
[Position (words + coords) · altitude · speed · heading · climb/descent · aircraft type]

[Overhead mode: table sorted by distance]

Source: [adsb.lol / OpenSky] community ADS-B · as of [time] · rerun: [exact curl] [Schedule-shaped questions: the boundary line + what position data can and can't infer]

Quality Checks

  • Flight numbers were mapped to ICAO callsigns with the mapping shown
  • Units are consistent and stated (the two sources differ)
  • Inferences (descent, ETA-ish) are labeled as inferences from position
  • "Not found" answers include the coverage explanation, both possibilities
  • Schedule questions get the honest boundary, not improvised delay data

Anti-Patterns

  • Do not fake schedule data — delays and gates are not in ADS-B, and confident fiction here strands people
  • Do not mix the two sources' units — a 10,000 m cruise is not a 10,000 ft one
  • Do not present patchy coverage as "flight doesn't exist"
  • Do not track people — flights and public transponder data, not persistent monitoring of individuals' movements
  • Do not answer from memory — a remembered aircraft position is nonsense by construction

Example Trigger Phrases

  • "Where is this flight right now?"
  • "What planes are overhead?"
  • "Track a tail number."
  • "Is that flight in the air?"

© mohitagw15856, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/flight-tracker of mohitagw15856/pm-claude-skills.

Open the folder on GitHubat commit 1cbf1f0

Compare with similar skills

Flight Tracker 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.

Flight Tracker compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Flight Tracker this skillmohitagw15856/pm-claude-skills1.4k—~1.3kAutomated safety check: PassMIT
Flightsasgeirtj/system_prompts_leaks69k—~2.1kAutomated safety check: PassCC0-1.0
Flightscodewhale-hq/Codewhale41k—~258Automated safety check: PassMIT
Positioning Ideasphuryn/pm-skills27k—~751Automated safety check: PassMIT
Flight Trackersundial-org/awesome-openclaw-skills6631 repos~896Automated safety check: PassNone
Flight Tracker 2sundial-org/awesome-openclaw-skills6631 repos~702Automated safety check: PassNone

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Questions about Flight Tracker

What does Flight Tracker do?

Track live aircraft positions with zero API keys — adsb.lol's open ADS-B network primary, OpenSky fallback, via curl: by callsign, registration, or area. Flight Tracker is an agent skill from mohitagw15856/pm-claude-skills.lol's open ADS-B network primary, OpenSky fallback, via curl: by callsign, registration, or area.

When should I use Flight Tracker?

Flight Tracker fits situations like: asked where is this flight right now; what planes are overhead; track a tail number; is that flight in the air.

How do I install Flight Tracker in Claude Code?

Run `npx skills add mohitagw15856/pm-claude-skills --skill flight-tracker -a claude-code`. Or copy the skill folder (skills/flight-tracker in mohitagw15856/pm-claude-skills) into .claude/skills/flight-tracker in your project. Claude Code loads it when a task matches its description.

How do I install Flight Tracker in Codex?

Run `npx skills add mohitagw15856/pm-claude-skills --skill flight-tracker -a codex`. Or copy the skill folder (skills/flight-tracker in mohitagw15856/pm-claude-skills) into .agents/skills/flight-tracker in your project. Codex loads it when a task matches its description.

Can I use Flight Tracker 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 mohitagw15856/pm-claude-skills --skill flight-tracker -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/flight-tracker, .gemini/skills/flight-tracker, .github/skills/flight-tracker and .opencode/skills/flight-tracker in your project.

What does Flight Tracker need to run?

Going by SKILL.md and its folder, Flight Tracker needs the command-line tools its instructions call (curl).

Does Flight Tracker access the network?

SKILL.md names 2 domains. In commands or code: api.adsb.lol and opensky-network.org; the agent is likely to contact these when it follows the instructions. This is read from the text; nothing was executed.

Is Flight Tracker 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 Flight Tracker use?

Flight Tracker is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Flight Tracker use?

About 1.3k tokens (SKILL.md is roughly 5.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Flight Tracker?

Skills that share tags, products or a category with Flight Tracker: Flights (asgeirtj/system_prompts_leaks, 69k stars), Flights (codewhale-hq/Codewhale, 41k stars), Positioning Ideas (phuryn/pm-skills, 27k stars) and Flight Tracker (sundial-org/awesome-openclaw-skills, 663 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Flight Tracker?

mohitagw15856 (a GitHub user) maintains it in mohitagw15856/pm-claude-skills, which has 1,433 GitHub stars. The repository holds 1,348 skills in this directory. The repository was last updated on October 8, 2026.

Source: mohitagw15856/pm-claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.