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Concertje

Kevin Meyvaert v1.3.1

Find concerts and tickets

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Competitor profile

Developer declarations; not independently tested. Listing last checked Nov 4, 2026. Package observed Nov 3, 2026.

Declared capabilities

  • Read

Declared limitations

  • Buying tickets (Concertje is read-only)
  • Concerts outside Belgium and the Netherlands
  • Unrelated request

Not specified in the available declarations: pricing & account requirements.

Onboarding example

What concerts are on in Antwerp this week?

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Description

From the marketplace listing

Find concerts and gigs in Belgium and the Netherlands. Ask which concerts are on in a city or at a venue, whether an artist is touring here, or if a show is sold out, and get dates, venues, line-ups, ticket status (on sale, few left, sold out, waiting list), prices, on-sale and presale dates, and a link to the concert page on Concertje. Covers venues and cities across both countries, from Antwerp, Brussels, Ghent and Leuven to Amsterdam, Rotterdam, Utrecht and Eindhoven, including clubs, concert halls, arenas and festival days. What you can do: - Search concerts by artist, city, venue or date range - See what's on tonight or this week, optionally in one city - Check ticket status, prices and when tickets go on sale - Look up an artist's genres, short bio, related artists and upcoming shows - List venues with upcoming concerts Limitations: - Covers Belgium and the Netherlands only, one country per request (Belgium by default). - Read-only: it cannot buy tickets, save concerts or change anything in your account. Tickets are sold by the venues and ticket sellers, not by Concertje. - Concert information comes from venues, promoters and ticket sellers. Dates, prices and availability can change, so check the concert page before you buy. - You sign in with your Concertje account (email and password, Google or Apple) the first time you connect.

Language: English · Automatically detected from descriptions.

What changed

· 4 observations

Capabilities & instructions

Skill instructions changed from “Today or tonight: `concertje_todays_concerts`, with `city` when one is given. - From today through Sunday: `concertje_this_weeks_concerts`. - Any other...” to “Concerts on a date or in a period: `concertje_search_concerts` with `when` (`today`, `tomorrow`, `weekend`, `week`, `month`)...

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Technical updates · 2

Package or technical metadata updated

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Package or technical metadata updated

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Earlier changes · 1 more observation days on this page

· 3 observations

Capabilities & instructions

Is v2 template added: “false”. Full description changed from “Find upcoming concerts in Belgium and the Netherlands: dates, venues, ticket status and prices, with links to Concertje.” to “Find upcoming concerts and gigs in Belgium and the Netherlands: dates, venues, line-ups, ticket status, prices and on-sale dates,...

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Technical updates · 1

Package or technical metadata updated

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Keywords

Files & skills

File archives

Plugin package6 files · 71.5 KBBrowse files →
Skill instructions
find-concerts2.64 KB

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---
name: find-concerts
description: Find upcoming concerts and gigs in Belgium or the Netherlands with the Concertje tools. Use when the user asks what's on in a Belgian or Dutch city or venue, whether an artist plays there, or about ticket status, prices, on-sale or presale dates for such a show.
---

# Find concerts in Belgium and the Netherlands

Explicit user instructions take priority over this skill.

## 1. Pick the country

- Dutch city or venue (Amsterdam, Rotterdam, Utrecht, Paradiso, Melkweg…): pass `country: 'NL'`.
- Belgian, or no place given: pass `country: 'BE'` (the default).
- A place outside Belgium and the Netherlands: say Concertje only covers those two countries. Don't call a tool.
- City names work in English, Dutch or French ("Ghent", "Gent", "Gand").

## 2. Call the right tool

- Concerts on a date or in a period: `concertje_search_concerts` with `when` (`today`, `tomorrow`,
  `weekend`, `week`, `month`) or `dateFrom` and `dateTo` (YYYY-MM-DD).
- Every search shows its results to the user as cards, so ask in one call: put all the cities in
  `cities` and all the genres in `genres` ("post-punk", "techno", as the user wrote them) instead of
  one search per city or genre, or fetching everything and filtering yourself. An unknown genre is an
  error: try a broader one.
- A venue: `concertje_list_venues` for its ID (match on `name` or `aliases`), then
  `concertje_search_concerts` with `venueId`.
- Artists: `concertje_search_concerts` with every name in `searches`; without `country` it covers both
  countries. For genres, bio or related artists, call `concertje_get_artist` with an artist `id` from
  those results.
- Price, on-sale or presale details for one show: `concertje_get_concert` with its `id`.
- `pagination.total` larger than the results: page with `offset` only when the user wants more. The
  `countries` in a result are the ones it searched; don't search those again.

## 3. Answer

- The cards already list the concerts, so don't repeat them all. Highlight the best few, one line each:
  date, artists, venue and city, ticket status, price, and the `url` link. Say how many more there are.
- Ticket status in words: `announced` (not on sale yet), `available`, `limited` (few left), `waitlist`, `sold_out`, `cancelled`, `unknown`.
- State only prices, dates and statuses a tool returned. A missing price or on-sale date is unknown, not free.
- No results: say so plainly and suggest a wider date range or a nearby city.

## Out of scope

- Buying, reserving or saving tickets: Concertje is read-only. Give the concert page link; tickets are sold
  by the venue or ticket seller.
- Concerts the tools didn't return: don't add them from memory.
Package details

Publisher declarations from the archived package. These are separate from our research and the live service's terms.

Package author
Kevin Meyvaert
Keywords
See keywords
Review scenarios
5 positive · 3 negativeScenario counts, not test results.

Declared capabilities

  • Read

Package observed Nov 3, 2026.

Technical details
First seen
Oct 24, 2026 · 12:40 UTC
Last seen
Nov 4, 2026 · 06:00 UTC
Latest observed change
Oct 28, 2026 · 13:04 UTC
Collection status
Collected

plugin_asdk_app_6ac2adb148d88191a5f9baaf56aef707

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