Exchange Integration: Metaculus

Implement support for Metaculus.

Metaculus is mentioned in the README with its logo but currently lacks an implementation class in src/exchanges.

Tasks:

Create MetaculusExchange class extending PredictionMarketExchange.
Implement fetchMarkets using Metaculus API.
Implement searchMarkets.
Map outcomes and data to UnifiedMarket format.

https://www.metaculus.com/api/
OpenAPI available

@realfishsam

@realfishsam Happy to work on this, sir !

@femtotrader

@realfishsam Happy to work on this, sir !

Check out @femtotrader 's response, btw.

Currently, I'm facing an issue with the Metaculus API page. There appear to have been changes to their Swagger OpenAPI setup. Instead of displaying the Swagger documentation, it now shows the following message: "Permission Error: The API is only available to authenticated users. Please create an account and use your API token to access the API." As a result, I expect this task may take longer than initially planned.

@realfishsam

Happy to work on this. I have opened a PR #71 for this. Would appreciate your review, sir @realfishsam

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Exchange Integration: Metaculus #4

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Exchange Integration: Metaculus #4

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femtotrader commented on Jan 9, 2026

0xharryriddle commented on Feb 24, 2026

realfishsam commented on Feb 24, 2026

0xharryriddle commented on Feb 28, 2026

0xharryriddle commented on Apr 3, 2026

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