# Dryfit Scenario: Platform / marketplace

> Two-sided marketplace where active listings are the key metric. Positive signals chain from account connection through storefront activation to listing publication.

*Source: [https://www.getbeton.ai/oss-tools/dryfit/scenarios/posthog-marketplace/](https://www.getbeton.ai/oss-tools/dryfit/scenarios/posthog-marketplace/)*

**Scenario kind:** posthog_marketplace
**Use-case kind:** marketplace
**Value metric:** Listings, storefronts, connected accounts, integrations
**Config file:** `configs/posthog_marketplace_mvp.yaml`
**Dataset id:** `posthog_marketplace_mvp_v1`

## Scale

- Accounts: 240
- Users per account (mean): 5
- Sessions per user (mean): 8
- Duration: 30 days

**Success event:** `listing_published` (account)

## Research metrics

- Active listing growth
- Seller/buyer activation rate
- Marketplace liquidity ratio

## Positive signals (ground truth)

- **connected_storefront_listing** (count 70): `account_connected → storefront_activated → listing_published`
- **integration_listing_publish** (count 45): `integration_enabled → listing_published`

## Negative signals (ground truth)

- **connected_storefront_stall** (count 55): `account_connected → storefront_activated`
- **integration_backtracking** (count 35): `integration_enabled → account_connected`