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ExploreSalmon

Salmon

Receive federated comments via the Salmon protocol.

Enables your site to accept comments from federated networks like Mastodon and Diaspora using the Salmon protocol. Supports verified authorship and spam defense.

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This plugin enables a site to receive comments and annotations from federated social networks using the Salmon protocol. It is designed for site owners who want to aggregate discussions from decentralized platforms like Mastodon, Diaspora, and GNU social directly into their comment sections.

Receives Salmon notifications – Accepts incoming comments and replies from federated sources, allowing cross-platform conversations to appear on your site.

Verifies authorship – Uses cryptographic signatures to confirm the identity of comment authors, reducing spam and impersonation.

Integrates with Webfinger and Host-Meta – Requires companion plugins for Webfinger and Host-Meta to discover and validate remote identities.

Compatible with OStatus – Works alongside OStatus plugins to support a broader federated commenting ecosystem.

Spam-resistant design – Drops messages with invalid signatures and supports rate limiting per pseudonym and identity provider.

Note: This plugin currently only handles receiving Salmons. Bidirectional sending is not yet implemented. The repository is archived and read-only as of March 2023.

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Enables your site to accept comments from federated networks like Mastodon and Diaspora using the Salmon protocol. Supports verified authorship and spam defense.

  • Salmon
  • v0.9.2
  • 3 days ago
  • Apr 25, 2026
  • Access: Silver
  • Matthias Pfefferle
  • Plugin
  • 0
  • No comments