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+Galaxy NCBI Entrez Tools
+========================
+
+This repo requires a readme as administrators should very aware of some
+restrictions NCBI places on the use of the Entrez service.
+
+NCBI requests that you please limit large jobs to either weekends or
+between 9:00 PM and 5:00 AM Eastern time during weekdays. This is not a
+request that the Galaxy tool can easily service, so we've included it in
+the disclaimer on every tool quite prominently.
+
+Failure to comply with NCBI's policies may result in an block until
+you/the user contacts NCBI and registers the tool ID and their email.
+
+Note that these are *IP* level blocks so the Galaxy tools uses a
+concatenation of the administrator's emails, and the user email, in
+hopes that NCBI will contact all relevant parties should their system be
+abused.
+
+Additionally, since these are IP level blocks, the Galaxy tool author
+(@erasche) recommends using the following ``jobs_conf.xml`` snippet in
+order to place a system-wide restriction of 1 concurrent Entrez job
+amongst all users.
+
+.. code:: xml
+
+    <destination id="entrez" runner="local">
+    </destination>
+    <limit type="concurrent_jobs" id="entrez">1</limit>
+    <tools>
+      <tool id="ncbi.eutils.efetch" destination="entrez" />
+      <tool id="ncbi.eutils.esearch" destination="entrez" />
+      <tool id="ncbi.eutils.epost" destination="entrez" />
+      <tool id="ncbi.eutils.elink" destination="entrez" />
+      <tool id="ncbi.eutils.einfo" destination="entrez" />
+      <tool id="ncbi.eutils.esummary" destination="entrez" />
+    </tools>
+