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129129 </Step>
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131131 <Step title="Connection">
132 Connect the server you're submitting. You confirm the server URL (must be `https://`), the transport (streamable HTTP or SSE), and whether every user connects to the same URL or different users connect to different URLs.
132 Connect the server you're submitting. You confirm the server URL (must be `https://`), the transport (streamable HTTP or SSE), and how users reach your server: one **Universal URL** for everyone, a fixed list of **Multiple URLs**, or a **URL pattern** that each user's own URL must match. See [Servers with per-customer URLs](/docs/connectors/building/authentication#servers-with-per-customer-urls) for how this choice limits your authentication options.
133133 </Step>
134134
135135 <Step title="Tools">
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149149 </Step>
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151151 <Step title="Authentication">
152 How users authenticate: OAuth (with dynamic client registration, client ID metadata documents, or a static client ID held by Anthropic), a custom connection where users supply their own URL or credentials at connection time, or no authentication. See [authentication](/docs/connectors/building/authentication) for which modes are supported out of the box and which need coordination with the review team. If your server starts without authentication and individual tools prompt for it on demand, you can flag that here.
152 How users authenticate: OAuth (with dynamic client registration, client ID metadata documents, or Anthropic-held client credentials), a custom connection where users supply their own URL or credentials at connection time, or no authentication. See [authentication](/docs/connectors/building/authentication) for which modes are supported out of the box and which need coordination with the review team. If your server starts without authentication and individual tools prompt for it on demand, you can flag that here.
153
154 If you chose **URL pattern** in the Connection step, Anthropic-held client credentials can't be used. If you chose **Multiple URLs**, a custom connection can't be used.
153155 </Step>
154156
155157 <Step title="Data handling">