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matrix-appservice-irc

Bridge connecting Matrix rooms to IRC channels

Chat & Communication ★ 507 stars Hard setup Apache-2.0

matrix-appservice-irc is the reference bridge that links Matrix rooms with IRC channels in both directions. It powers the official Matrix bridges to Libera.Chat and OFTC.

Key features

  • Bidirectional Matrix-IRC bridging
  • Powers Libera.Chat bridge
  • Per-user IRC connections
  • Channel mapping configuration

Strengths

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Written in TypeScript
  • Lightweight — runs in 512 MB RAM

Is matrix-appservice-irc secure?

No known vulnerabilities affect matrix-appservice-irc's latest release (4.0.0). OSV.dev lists 10 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2025-27146, published 2025-02-25 (596 days ago), fixed in 3.0.4

Source: OSV.dev, checked 2026-10-14. How this is measured.

matrix-appservice-irc replaces

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