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title: IRC Definition Files
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<h1>IRC Definition Files</h1>

<p>These files note interesting and useful information about IRC software. They are designed for IRC software developers, <strong>not</strong> regular IRC users.</p>

<p>The source code for this site is available on Github under <a href="https://github.com/ircdocs/irc-defs">ircdocs/irc-defs</a>. Pull requests to correct or update these lists are welcomed.<br>You can also talk to us at <a href="ircs://irc.freenode.net:6697/#ircdocs">#ircdocs on Freenode</a>.</p>

<p>These files are based on the original lists from <a href="https://www.alien.net.au/irc/">alien.net.au</a>, and are being updated and corrected to account for new software and versions.</p>

<div class="list-container">
    <div class="list">
        <div class="defs">
            <h2>Numerics and Modes</h2>
            <hr/>

            <h3>Numerics</h3>
            <ul>
                <li><a href="defs/numerics.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/numerics.yaml">YAML Source File</a></li>
            </ul>

            <h3>User Modes</h3>
            <ul>
                <li><a href="defs/usermodes.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/usermodes.yaml">YAML Source File</a></li>
            </ul>

            <h3>Channel Modes</h3>
            <ul>
                <li><a href="defs/chanmodes.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/chanmodes.yaml">YAML Source File</a></li>
            </ul>

            <h3>Server Modes</h3>
            <ul>
                <li><a href="defs/servermodes.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/servermodes.yaml">YAML Source File</a></li>
            </ul>
        </div>
        <div class="defs">
            <h2>Channels</h2>
            <hr/>

            <h3>Channel Member Prefixes</h3>
            <ul>
                <li><a href="defs/chanmembers.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/chanmembers.yaml">YAML Source File</a></li>
            </ul>

            <h3>Channel Type Prefixes</h3>
            <ul>
                <li><a href="defs/chantypes.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/chantypes.yaml">YAML Source File</a></li>
            </ul>
        </div>
    </div>
    <div class="list">
        <div class="defs">
            <h2>ISUPPORT, Caps, and Tags</h2>
            <hr/>

            <h3>RPL_ISUPPORT tokens</h3>
            <ul>
                <li><a href="defs/isupport.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/isupport.yaml">YAML Source File</a></li>
            </ul>

            <h3>Client Capabilities</h3>
            <ul>
                <li><a href="defs/clientcaps.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/clientcaps.yaml">YAML Source File</a></li>
            </ul>

            <h3>Tags</h3>
            <ul>
                <li><a href="defs/tags.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/tags.yaml">YAML Source File</a></li>
            </ul>
        </div>
    </div>
    <div class="list">
        <div class="defs">
            <h2>Misc</h2>
            <hr/>

            <h3>Extended Bans (EXTBANS)</h3>
            <ul>
                <li><a href="defs/extbans.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/extbans.yaml">YAML Source File</a></li>
            </ul>

            <h3>Server Notice Masks (SNOMASKs)</h3>
            <ul>
                <li><a href="defs/snomasks.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/snomasks.yaml">YAML Source File</a></li>
            </ul>

            <h3>Client-to-Client Protocol (CTCP) messages</h3>
            <ul>
                <li><a href="defs/ctcp.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/ctcp.yaml">YAML Source File</a></li>
            </ul>

            <h3>Stats Characters</h3>
            <ul>
                <li><a href="defs/stats.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/stats.yaml">YAML Source File</a></li>
            </ul>

            <h3>Self-Messages Client Support</h3>
            <ul>
                <li><a href="info/selfmessages.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/selfmessage.yaml">YAML Source File</a></li>
            </ul>

            <h3>Formatting Characters Client Support</h3>
            <ul>
                <li><a href="info/formatting.html">HTML Table</a></li>
                <li><a href="https://github.com/ircdocs/irc-defs/blob/gh-pages/_data/formatting.yaml">YAML Source File</a></li>
            </ul>
        </div>
    </div>
</div>