diff --git a/.claude/CLAUDE.md b/.claude/CLAUDE.md
index bee8b4e..53a2ee2 100644
--- a/.claude/CLAUDE.md
+++ b/.claude/CLAUDE.md
@@ -130,11 +130,19 @@ markup for it. The one that has already bitten us:
 ### 5. Third-party licensing is a gate — permissive only
 We ship a binary and an image, so every dependency has to be one whose license
 we can actually comply with. Dependencies stay permissive — copyleft terms
-(GPL, LGPL, AGPL, MPL, SSPL) would reach back and constrain how MeshTender
-itself may be licensed and distributed. The allowed set is `AllowedSPDX` in
+(GPL, LGPL, AGPL, MPL, SSPL) are out. MeshTender is *itself* AGPL-3.0
+(`LICENSE`), but licensing copyleft out doesn't oblige us to accept copyleft in:
+a GPL/AGPL dependency would end the sole copyright holder's ability to relicense,
+and LGPL/MPL attach per-file obligations that fit a statically linked, fully
+embedded Go binary badly. The reasoning is spelled out at `AllowedSPDX` in
 `internal/licenses/manifest.go`; adding to it is a legal decision, not a build
 fix. This applies to the test tree too.
 
+The MeshTender **name and marks are reserved** and excluded from the AGPL grant
+(`TRADEMARKS.md`, permitted by AGPLv3 §7(c)/(e)). The two brand artwork files stay
+committed — the reproducible-build check requires every image input to be public —
+so don't "fix" that by moving them out.
+
 - `mise run licenses` scans the Go module graph (binary + test + `browser` tag)
   with `google/licensecheck` **and** the non-Go manifest, then verifies
   `THIRD-PARTY-NOTICES.md` is current. `--update` regenerates it. CI gates on it
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..be3f7b2
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,661 @@
+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
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+ of this license document, but changing it is not allowed.
+
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+  Developers that use our General Public Licenses protect your rights
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+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.
diff --git a/THIRD-PARTY-NOTICES.md b/THIRD-PARTY-NOTICES.md
index e227859..9fa76a9 100644
--- a/THIRD-PARTY-NOTICES.md
+++ b/THIRD-PARTY-NOTICES.md
@@ -1,8 +1,9 @@
 # Third-Party Notices
 
 This file covers the third-party software MeshTender depends on, all of
-which is permissively licensed. It makes no statement about MeshTender's
-own license.
+which is permissively licensed. MeshTender's own license is the GNU
+Affero General Public License v3.0 (see LICENSE); its name and marks are
+reserved (see TRADEMARKS.md).
 
 **This file is generated. Do not edit it by hand** — run `mise run licenses --update`.
 Front-end and artwork entries come from `internal/licenses/manifest.go`; the Go
diff --git a/TRADEMARKS.md b/TRADEMARKS.md
new file mode 100644
index 0000000..7221c92
--- /dev/null
+++ b/TRADEMARKS.md
@@ -0,0 +1,82 @@
+# MeshTender brand and trademark policy
+
+MeshTender's **source code** is free software under the GNU Affero General Public
+License v3.0 (see [`LICENSE`](LICENSE)). Its **name and visual identity** are not.
+This file says exactly which is which, and what you have to do if you run your own
+copy.
+
+Nothing here restricts your rights under the AGPL. You may use, study, modify,
+and redistribute the code, and run it as a network service, on the terms in
+`LICENSE`. What you may not do is present your copy as though it were MeshTender.
+
+## What is reserved
+
+The following are not licensed to you by the AGPL grant, and no right to use them
+is granted by this file either:
+
+- The name **MeshTender**, and confusingly similar names.
+- The MeshTender wordmark and logo mark, in any format, colorway, or tracing —
+  including the copies committed to this repository:
+  - `internal/web/templates/brand.html` (the `icon-logo` mark)
+  - `internal/web/static/favicon.svg`
+- The domain **meshtender.com** and its subdomains.
+
+The mark files are committed here on purpose, and it is worth explaining why,
+because it looks like a contradiction. The published container image is meant to
+be reproducible: anyone can rebuild the commit that `GET /version` reports and
+check that they get the digest we shipped (see "Verifying a build" in the README).
+That check only means something if every input to the image is in this repository.
+Injecting the artwork at deploy time from somewhere private would break the one
+mechanism that lets an outsider verify what the hosted instance is running — which
+is a far more valuable thing than a tidy licensing boundary. So the artwork ships,
+and the carve-out is legal rather than physical.
+
+This is permitted by the license, not a hole in it. AGPLv3 section 7 lets a
+copyright holder add terms "declining to grant rights under trademark law for use
+of some trade names, trademarks, or service marks" (§7(e)) and "requiring that
+modified versions of such material be marked in reasonable ways as different from
+the original version" (§7(c)). That is all this file does.
+
+## What is licensed to you
+
+Everything else in the repository, under the AGPL: all Go source, SQL migrations,
+templates, first-party CSS and JavaScript, and documentation. Third-party
+dependencies carry their own permissive licenses, recorded in
+[`THIRD-PARTY-NOTICES.md`](THIRD-PARTY-NOTICES.md).
+
+## If you run a modified copy
+
+You must:
+
+1. **Rename it.** Remove the MeshTender name from everything a user or operator
+   can see — page titles, navigation, emails, docs, the `/version` endpoint. The
+   name lives in the templates and the Go source rather than in configuration, so
+   this means editing them; `grep -rn MeshTender` finds every occurrence.
+2. **Remove the mark.** Delete or replace the two artwork files listed above. Do
+   not recolor, trace, or adapt them.
+3. **Publish your source.** AGPL section 13 requires that users interacting with
+   your instance over a network be able to get the source it is running, including
+   your modifications. A link to your fork, reachable from the running service, is
+   the usual way to satisfy this.
+4. **Keep the attribution.** Say somewhere visible that your service is based on
+   MeshTender, with a link to <https://github.com/jleight/meshtender>. Copyright
+   notices in the source stay as they are (AGPL §5(a)).
+
+You may not imply that your instance is run, endorsed, reviewed, or supported by
+the MeshTender project or its maintainer.
+
+## What you may do without asking
+
+- Say that your software or service is "based on MeshTender" or "a fork of
+  MeshTender", accurately and without styling it as a brand of your own.
+- Use the name to refer to this project in writing — articles, documentation,
+  comparisons, talks, bug reports.
+- Reproduce the logo unmodified when illustrating a discussion *of* MeshTender.
+
+## Contact
+
+For anything this file does not cover, including permission to use the name or
+mark, ask first: <https://github.com/jleight/meshtender/issues>.
+
+Copyright © 2026 Jonathon Leight. All rights in the MeshTender name and marks are
+reserved.
diff --git a/internal/licenses/manifest.go b/internal/licenses/manifest.go
index 8269f8a..ab5ceaf 100644
--- a/internal/licenses/manifest.go
+++ b/internal/licenses/manifest.go
@@ -234,10 +234,23 @@ var FirstPartyStatic = []string{
 }
 
 // AllowedSPDX is the set of licenses a dependency may carry. Everything here is
-// permissive: copyleft terms (GPL, LGPL, AGPL, MPL, SSPL) would reach back and
-// constrain how MeshTender itself may be licensed and distributed, so a
-// copyleft dependency is a licensing conflict rather than a preference. Adding
-// to this list is a legal decision, not a build fix.
+// permissive, and it stays that way even though MeshTender is itself AGPL-3.0:
+// licensing copyleft OUT does not oblige us to accept copyleft IN, and the two
+// reasons to keep the inbound side permissive both still hold.
+//
+// First, relicensing latitude. The copyright in MeshTender is held by one person,
+// who can therefore release it under different or additional terms later (a
+// dual-license, say). A GPL or AGPL dependency compiled into the binary would end
+// that: the combined work could only ever be distributed under those terms, no
+// matter what the copyright holder wanted.
+//
+// Second, per-file obligations that a single static binary handles badly. LGPL and
+// MPL attach conditions to their own files rather than to the whole work — LGPL
+// wants the user able to relink against a modified version, MPL wants modified
+// covered files published under MPL — and neither is a natural fit for a pure-Go
+// binary with everything go:embed'ed and no dynamic linking.
+//
+// Adding to this list is a legal decision, not a build fix.
 var AllowedSPDX = map[string]bool{
 	"0BSD":         true,
 	"Apache-2.0":   true,
diff --git a/internal/licenses/notices.go b/internal/licenses/notices.go
index 8bf11b5..095f4be 100644
--- a/internal/licenses/notices.go
+++ b/internal/licenses/notices.go
@@ -200,8 +200,9 @@ func Notices(goSection string) (string, error) {
 	var b strings.Builder
 	b.WriteString("# Third-Party Notices\n\n")
 	b.WriteString("This file covers the third-party software MeshTender depends on, all of\n")
-	b.WriteString("which is permissively licensed. It makes no statement about MeshTender's\n")
-	b.WriteString("own license.\n\n")
+	b.WriteString("which is permissively licensed. MeshTender's own license is the GNU\n")
+	b.WriteString("Affero General Public License v3.0 (see LICENSE); its name and marks are\n")
+	b.WriteString("reserved (see TRADEMARKS.md).\n\n")
 	b.WriteString("**This file is generated. Do not edit it by hand** — run `mise run licenses --update`.\n")
 	b.WriteString("Front-end and artwork entries come from `internal/licenses/manifest.go`; the Go\n")
 	b.WriteString("module list is scanned from the module graph.\n\n")