DESKTOP 1280 · Hero + tab rail (persistent)

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FlyFast

live by buildingopen

Fastest flight from A to B. Pass two IATA codes, get the single cheapest itinerary with total price and duration.

★4.7 (23) · 1.4k runs^* · avg 2.4s · /p/flyfast

Run Install

Run

Install

Source

Secrets

Activity

Schedule

Input

POST /run/flyfast

No account needed. Runs execute in an isolated sandbox. Outputs are private unless you share.

Output

200 OK 1.8s

// result · rendered as table airline price duration stops United $612 14h 20m 1 (FRA) Lufthansa $648 13h 55m 1 (MUC) Icelandair $691 16h 10m 1 (KEF) → cheapest: United $612 (14h 20m, 1 stop)

Iterate with words

Logs · HTTP req/resp, timings, errors

4 entries

20018:42:11.201POST /run/flyfast · 1814ms

GET18:42:11.214upstream amadeus.com/v2/offers · 1402ms

cache18:42:11.220iata-lookup hit (5ms)

log18:42:11.225sandbox: python 3.11, mem 142MB/512MB, 42ms cold start

MCP preview · what Claude sends

tools/call

// JSON-RPC 2.0 tools/call { "jsonrpc": "2.0", "id": 7, "method": "tools/call", "params": { "name": "flyfast.search", "arguments": { "from": "HAM", "to": "SFO", "date": "2026-05-12" } } }

Past runs · 5

HAM → SFO 200

18:42 · 1.8s · $612

HAM → JFK 200

18:19 · 2.1s · $489

LIS → SFO 200

17:55 · 2.4s · $780

LHR → LAX 429

17:40 · rate limited

BER → NRT 200

yesterday · 1.9s · $1,120

Schedule v1.1

Re-run this on a cron and receive results by email or webhook. Coming with Cloud tier.

DESKTOP · Tab 2 · Install · full wizard inline

Run

Install

Source

Secrets

Activity

Pick a client

Step 1 · Config for Claude Desktop

Paste this into ~/Library/Application Support/Claude/claude_desktop_config.json

{ "mcpServers": { "flyfast": { "command": "npx", "args": ["-y", "@floom/mcp", "flyfast"], "env": { "FLOOM_API_KEY": "floom_live_sk_••••8c2d" } } } }

Step 2 · Verify

$ claude mcp list ✓ flyfast (3 tools) · flyfast.search · flyfast.detail · flyfast.schedule $ claude "cheapest HAM to SFO next Tuesday" → called flyfast.search, got $612 on United

Other clients show the real config shape (Notion AI block paste, ChatGPT custom GPT schema URL, Terminal npx one-liner, direct cURL with Bearer). Even bridges not yet shipped show what they will look like so creators can see the end state.

DESKTOP · Tab 3 · Source · OpenAPI + manifest + runner code (read-only)

Run

Install

Source

Secrets

Activity

Files

openapi.yaml

floom.yaml

runner.py generated

manifest.json derived

mcp-schema.json

Read-only. Edit through /build or floom push CLI.

openapi.yaml

v1.4.0

openapi: 3.1.0 info: title: FlyFast version: 1.4.0 description: Cheapest itinerary from A to B. paths: /search: post: operationId: search summary: Find the cheapest flight requestBody: required: true content: application/json: schema: type: object required: [from, to] properties: from: { type: string, pattern: '^[A-Z]{3}$' } to: { type: string, pattern: '^[A-Z]{3}$' } date: { type: string, format: date } responses: '200': description: Cheapest itinerary found

DESKTOP · Tab 4 · Secrets · per-user key setup

Run

Install

Source

Secrets

Activity

Keys required by this app

Secrets live in your account and are encrypted at rest. This app reads them at runtime and never echoes them back.

AMADEUS_API_KEY

Used by flyfast.search · set 3 days ago

set

AMADEUS_API_SECRET

Pairs with the key above

set

STRIPE_SECRET_KEY (optional)

Only needed if you want paid runs. Not set.

No keys required? Most apps (UUID, JSON Formatter, Hash, Base64) run without any secrets. When a creator doesn't declare secrets in floom.yaml, this tab shows an empty state: "This app doesn't need any keys. Just run it."

How secrets work

1Creator declares keys in floom.yaml with name + where-to-get URL.

2User pastes the key here. Encrypted at rest (AES-256-GCM, per-account DEK).

3At run time, the sandbox reads the key as an env var. Never logged, never echoed.

4Rotate or revoke at any time. Existing runs continue; new runs use the new key.

DESKTOP · Tab 5 · Activity · reviews + changelog + recent runs

Run

Install

Source

Secrets

Activity

Reviews (23)

AK

Alex K. ★★★★★

3 days ago

Wrapped this in a Claude project for trip planning. Beats going to 5 airline sites. One-shot input is all I wanted.

JM

Jun M. ★★★★★

1 week ago

Fast and focused. Would love multi-city support but the 1-op version is actually great for quick planning.

Changelog

1.4.0 4 days ago

Faster cache, EUR price optional, added KEF routing.

1.3.1 2 weeks ago

Fix: missing stops for codeshare flights.

1.3.0 1 month ago

Added schedule action (v1.1 only). Sunrise rendering.

Recent public runs

HAM → SFO 2m ago · $612

MAD → TYO 8m ago · $910

BER → JFK 19m ago · $520

MOBILE 375 · tab rail scrolls horizontally · Run tab default

FlyFast

F

FlyFast

Cheapest A to B.

★4.7 · 1.4k runs

Run

Install

Source

Secrets

Activity

200 1.8s

United $612 · 14h 20m Lufthansa $648 · 13h 55m

Logs · MCP preview · past runs collapse below on mobile.