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Licenses & attribution

Everything ImageStep ships that someone else wrote, and the terms it travels under.

Third-party notices

ImageStep ships other people's work in six places: the console at imagestep.dev (the JavaScript every visitor downloads, plus the fonts served from our own origin) and the five packages this product publishes — npm imagestep, imagestep-cli, @imagestep/mcp and n8n-nodes-imagestep, and PyPI imagestep.

This file is the single source of truth for what that work is and under which licence it travels. It reaches the two audiences two different ways, and neither is a retype: /licenses on the site renders this same file as the page you may be reading it on — the headings and tables below become headings and tables, and every licence text is a fenced block, which is what keeps the part that must be word-for-word word-for-word — and every published package carries a byte-identical copy, written by scripts/sync-notices.mjs (§3).

Nothing here is optional politeness. MIT, ISC, BSD-3-Clause, Apache 2.0 and the SIL Open Font License each make passing the notice on a condition of redistribution, and this repo distributes to two audiences at once (a public website and two package registries). §5 carries all five texts.

The judgement that decides what belongs here is one question: do these bytes leave our machines? §4 lists the things that answer no — running software as a network service is not distribution — because "we thought about it and left it out" and "we forgot" look identical in a file.


1. The console's browser bundle

Everything under this heading is compiled into the JavaScript served to every visitor of imagestep.dev. Verified against the built chunks rather than the dependency list: pnpm --filter imagestep-console build, then grep the emitted .next/static/chunks/ for each library's runtime markers. A package.json dependency that never reaches the browser belongs in §4, not here.

Package Version Licence
react 19.3.0 MIT — © Meta Platforms, Inc. and affiliates
react-dom 19.3.0 MIT — © Meta Platforms, Inc. and affiliates
next 16.3.6 MIT — © 2025 Vercel, Inc.
radix-ui 1.6.7 MIT — © 2022 WorkOS
lucide-react 1.48.0 ISC — © 2026 Lucide Icons and Contributors — §5.1
class-variance-authority 0.7.1 Apache-2.0 — §5.2
clsx 2.1.1 MIT — © Luke Edwards
tailwind-merge 3.7.0 MIT — © 2021 Dany Castillo
sonner 2.0.8 MIT — © 2023 Emil Kowalski
next-themes 0.4.6 MIT — © 2022 Paco Coursey
react-virtuoso 4.18.15 MIT — © 2020 Petyo Ivanov
@virtuoso.dev/masonry 1.4.3 MIT — © Petyo Ivanov
minisearch 7.2.0 MIT — © 2022 Luca Ongaro
fflate 0.8.3 MIT — © 2026 Arjun Barrett

Since #106 the console mounts its account pages (login, sign-out, privacy & data) from site-kit, which ships SOURCE and is compiled into this bundle, so the libraries those pages stand on are served from this origin too:

Package Version Licence
react-hook-form 7.89.0 MIT — © 2019-present Beier(Bill) Luo
@hookform/resolvers 5.9.1 MIT — © 2019-present Beier(Bill) Luo
zod 4.6.5 MIT — © 2025 Colin McDonnell
date-fns 4.4.0 MIT — © 2021 Sasha Koss and Lesha Koss

All four were verified in the built chunks the same way as the rows above, not inferred from the manifest: shouldUnregister (react-hook-form), ZodError and invalid_type (zod) and the en-US month and weekday tables (date-fns) all appear in .next/static/chunks/. Radix used to be three more rows here — the kit asked for @radix-ui/react-dialog, -label and -slot by name, so this console shipped them alongside the single radix-ui package it already used, two copies of the same primitives in one bundle. site-kit v0.63.0 moved the kit onto radix-ui, so §5.3's row above covers it once. All four arrive because the kit's createAccountUi builds every page it offers — including the contact form this console does not mount — so they ship whether or not a visitor can reach the surface that uses them.

@jun/site-kit itself is credited nowhere, and that is correct: it is our own private package, and it has no dependencies of its own — only peers, every one of which is a row in this section. The name is here so that the derivation in apps/console/test/unit/licenses.test.js sees it accounted for rather than missing.

The MIT text is the same for all MIT rows but the copyright line is not, so each is named above; the licence body is §5.3, quoted once.

class-variance-authority ships no NOTICE file, so Apache-2.0 §4(d) adds nothing beyond §5.2 here. If a future Apache-2.0 dependency does ship one, its NOTICE has to be reproduced too — that is the clause, and it is the one people miss.

2. Fonts — IBM Plex Sans, IBM Plex Mono and Literata

SIL Open Font License 1.1 · https://github.com/IBM/plex · https://github.com/googlefonts/literata

Family Copyright line, read from the .woff2 we serve
IBM Plex Sans Copyright 2019 IBM Corp. All rights reserved.
IBM Plex Mono Copyright 2017 IBM Corp. All rights reserved.
Literata Copyright 2017 The Literata Project Authors

Three faces, three copyright lines, none of them written from memory. The name table of each file we serve is the authority here: Plex Sans's current release states 2019, Plex Mono's states 2017, and one line covering both is wrong for one of them; Literata's states 2017 and names The Literata Project Authors, not Google. Three sibling repos have shipped a wrong year or a wrong holder written from memory of the project; the console's unit tests read every committed font file and pnpm verify:notices every built one, and both fail when this table stops matching them.

The Reserved Font Names differ too, and only the Plex files have one: "Plex" is reserved, Literata's binaries declare none. That is a licence fact, not trivia — an RFN forbids shipping a self-modified subset under the original name (OFL §3), which is why every subset we ship is Google's own file forwarded unchanged rather than one we re-cut.

The files are Google Fonts' own subsets — every subset Google serves for each family: Plex Sans and Literata as one variable file per subset (Literata with its optical-size axis), Plex Mono as its 400 and 600 instances — committed as Google serves them under apps/console/src/fonts/ and loaded through next/font/local. Committing them keeps Google out of the build as well: next/font/google would fetch these same bytes on every build, and a malformed Google response fails it (vercel/next.js#99114). The .woff2 files are served from imagestep.dev itself — no request goes to Google Fonts, which is what /privacy says and why this row exists. Full text: §5.4.

3. The five published packages

Package Registry Redistributes
imagestep npm nothing — zero runtime dependencies
n8n-nodes-imagestep npm nothing — zero runtime dependencies, by design (the n8n Creator Portal reviews the tree)
@imagestep/mcp npm @modelcontextprotocol/sdk 1.30.1 (MIT — © 2024 Anthropic, PBC) · zod 4.6.x (MIT — © 2025 Colin McDonnell) · imagestep (ours)
imagestep-cli npm nine runtime dependencies — §3.1
imagestep PyPI httpx ≥ 0.27 (BSD-3-Clause — © 2019 Encode OSS Ltd) — §5.5

The two npm packages that redistribute nothing still carry this file, because "nothing today" is a fact about a version, not about the package.

How it gets there, since a notice at the repo root is outside every package directory and no packer would find it: scripts/sync-notices.mjs writes this file into each of the five, the copies are committed the way this repo commits its other generated artifacts, files (npm) and license-files (hatchling, PEP 639) ship them, and test/notices.test.js runs the real packer and reads the notice back out of the tarball a user would install. Editing a copy is pointless — the test compares it byte for byte against this file. Edit this one and re-run the script.

3.1 imagestep-cli's runtime dependencies

Direct dependencies, on the same reading §3 applies to @imagestep/mcp: the CLI bundles nothing, so npm fetches each of these because our manifest asks for it.

Package Version Licence
chalk 6.0.0 MIT — © Sindre Sorhus
cli-highlight 2.1.11 ISC — © 2016 Felix Frederick Becker — §5.1
cli-table3 0.6.5 MIT — © 2014 James Talmage
commander 15.0.0 MIT — © 2011 TJ Holowaychuk
file-type 22.1.1 MIT — © Sindre Sorhus
js-yaml 5.4.2 MIT — © 2011-2015 Vitaly Puzrin
open 11.0.4 MIT — © Sindre Sorhus
undici 8.11.2 MIT — © Matteo Collina and Undici contributors

Seven MIT rows; the body is §5.3, quoted once, and each row's copyright line is its own.

4. Deliberately not here

These run in our own containers and are never handed to anyone. Operating software as a network service is not distribution, so no notice condition attaches — but the reasoning is written down because a considered omission and a forgotten one are indistinguishable on disk.

  • apps/service — Spring Boot, the PostgreSQL JDBC driver, stripe-java, the AWS SDK, MapStruct, Micrometer and everything else in pom.xml.
  • apps/processing — sharp / libvips / libheif / libjxl / OpenJPEG / libraw / exiftool (and exiftool-vendored, the Node driver for its -stay_open protocol; the package's own vendored copy of exiftool is excluded at install time, see the root package.json) / @napi-rs/image (image-rs) / ag-psd. The customer receives the output image, not the codec.
  • apps/render — Playwright and Chromium.
  • apps/console's server half — pg, pino, next-auth, @auth/core, @auth/pg-adapter, shiki. Verified absent from the client chunks, not assumed: greping the built bundle for pg-pool, SCRAM-SHA-256, pino, next-auth, AUTH_SECRET, createHighlighterCoreSync, github-dark and createJavaScriptRegexEngine returns zero files. shiki highlights every code block on a docs page (imagestep#321), but it does it where the page is rendered: CodeBlock is a server component, the colours are baked into the prerendered HTML at build time, and the browser receives coloured spans the way it receives a processed image and not libvips. Two of its traces do reach a visitor and neither is its code: the two .shiki rules OUR globals.css writes — which is why greping for the bare string shiki finds one file, a stylesheet — and the pair of hex values per token, taken from its bundled github-light / github-dark themes, output on the same reading as the line above.
  • apps/public-worker — no runtime dependencies at all.
  • Every devDependency — vitest, eslint, prettier, wrangler, esbuild. Build tooling is not shipped.

If any of these ever starts being handed to a user — a downloadable desktop build, a vendored bundle, an SDK that inlines a dependency — it moves to §1 or §3 on the same day.

5. Full licence texts

5.1 ISC License — lucide-react, cli-highlight

The body is identical for both; the copyright lines differ and are named in §1 and §3.1. Quoted here with lucide's, whose file additionally carries the Feather attribution after the rule below — that part belongs to lucide alone, cli-highlight's file ends at the disclaimer.

ISC License

Copyright (c) 2026 Lucide Icons and Contributors

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

---

The following Lucide icons are derived from the Feather project:

airplay, alert-circle, alert-octagon, alert-triangle, aperture, arrow-down-circle, arrow-down-left, arrow-down-right, arrow-down, arrow-left-circle, arrow-left, arrow-right-circle, arrow-right, arrow-up-circle, arrow-up-left, arrow-up-right, arrow-up, at-sign, calendar, cast, check, chevron-down, chevron-left, chevron-right, chevron-up, chevrons-down, chevrons-left, chevrons-right, chevrons-up, circle, clipboard, clock, code, columns, command, compass, corner-down-left, corner-down-right, corner-left-down, corner-left-up, corner-right-down, corner-right-up, corner-up-left, corner-up-right, crosshair, database, divide-circle, divide-square, dollar-sign, download, external-link, feather, frown, hash, headphones, help-circle, info, italic, key, layout, life-buoy, link-2, link, loader, lock, log-in, log-out, maximize, meh, minimize, minimize-2, minus-circle, minus-square, minus, monitor, moon, more-horizontal, more-vertical, move, music, navigation-2, navigation, octagon, pause-circle, percent, plus-circle, plus-square, plus, power, radio, rss, search, server, share, shopping-bag, sidebar, smartphone, smile, square, table-2, tablet, target, terminal, trash-2, trash, triangle, tv, type, upload, x-circle, x-octagon, x-square, x, zoom-in, zoom-out

The MIT License (MIT) (for the icons listed above)

Copyright (c) 2013-present Cole Bemis

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

5.2 Apache License 2.0 — class-variance-authority

Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

   1. Definitions.

      "License" shall mean the terms and conditions for use, reproduction,
      and distribution as defined by Sections 1 through 9 of this document.

      "Licensor" shall mean the copyright owner or entity authorized by
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      "Work" shall mean the work of authorship, whether in Source or
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      "Contribution" shall mean any work of authorship, including
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      to that Work or Derivative Works thereof, that is intentionally
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      "Contributor" shall mean Licensor and any individual or Legal Entity
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   2. Grant of Copyright License. Subject to the terms and conditions of
      this License, each Contributor hereby grants to You a perpetual,
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   3. Grant of Patent License. Subject to the terms and conditions of
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   4. Redistribution. You may reproduce and distribute copies of the
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          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution
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   5. Submission of Contributions. Unless You explicitly state otherwise,
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      by You to the Licensor shall be under the terms and conditions of
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      the terms of any separate license agreement you may have executed
      with Licensor regarding such Contributions.

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   8. Limitation of Liability. In no event and under no legal theory,
      whether in tort (including negligence), contract, or otherwise,
      unless required by applicable law (such as deliberate and grossly
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   END OF TERMS AND CONDITIONS

   Copyright 2022 Joe Bell

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

5.3 MIT License — react, react-dom, next, radix-ui, clsx, tailwind-merge, sonner, next-themes, react-virtuoso, @virtuoso.dev/masonry, minisearch, fflate, react-hook-form, @hookform/resolvers, date-fns, @modelcontextprotocol/sdk, zod, chalk, cli-table3, commander, file-type, js-yaml, open, undici

The body is identical for all twenty-four; only the copyright line differs, and each one is named in §1, §3 and §3.1 above. Quoted here with React's, as the representative copy.

MIT License

Copyright (c) Meta Platforms, Inc. and affiliates.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

5.4 SIL Open Font License 1.1 — IBM Plex Sans, IBM Plex Mono, Literata

Copyright 2019 IBM Corp. All rights reserved. (IBM Plex Sans)
Copyright 2017 IBM Corp. All rights reserved. (IBM Plex Mono)
with Reserved Font Name "Plex"

Copyright 2017 The Literata Project Authors
(https://github.com/googlefonts/literata)

This Font Software is licensed under the SIL Open Font License, Version 1.1.
This license is copied below, and is also available with a FAQ at:
http://scripts.sil.org/OFL


-----------------------------------------------------------
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
-----------------------------------------------------------

PREAMBLE
The goals of the Open Font License (OFL) are to stimulate worldwide
development of collaborative font projects, to support the font creation
efforts of academic and linguistic communities, and to provide a free and
open framework in which fonts may be shared and improved in partnership
with others.

The OFL allows the licensed fonts to be used, studied, modified and
redistributed freely as long as they are not sold by themselves. The
fonts, including any derivative works, can be bundled, embedded,
redistributed and/or sold with any software provided that any reserved
names are not used by derivative works. The fonts and derivatives,
however, cannot be released under any other type of license. The
requirement for fonts to remain under this license does not apply
to any document created using the fonts or their derivatives.

DEFINITIONS
"Font Software" refers to the set of files released by the Copyright
Holder(s) under this license and clearly marked as such. This may
include source files, build scripts and documentation.

"Reserved Font Name" refers to any names specified as such after the
copyright statement(s).

"Original Version" refers to the collection of Font Software components as
distributed by the Copyright Holder(s).

"Modified Version" refers to any derivative made by adding to, deleting,
or substituting -- in part or in whole -- any of the components of the
Original Version, by changing formats or by porting the Font Software to a
new environment.

"Author" refers to any designer, engineer, programmer, technical
writer or other person who contributed to the Font Software.

PERMISSION & CONDITIONS
Permission is hereby granted, free of charge, to any person obtaining
a copy of the Font Software, to use, study, copy, merge, embed, modify,
redistribute, and sell modified and unmodified copies of the Font
Software, subject to the following conditions:

1) Neither the Font Software nor any of its individual components,
in Original or Modified Versions, may be sold by itself.

2) Original or Modified Versions of the Font Software may be bundled,
redistributed and/or sold with any software, provided that each copy
contains the above copyright notice and this license. These can be
included either as stand-alone text files, human-readable headers or
in the appropriate machine-readable metadata fields within text or
binary files as long as those fields can be easily viewed by the user.

3) No Modified Version of the Font Software may use the Reserved Font
Name(s) unless explicit written permission is granted by the corresponding
Copyright Holder. This restriction only applies to the primary font name as
presented to the users.

4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
Software shall not be used to promote, endorse or advertise any
Modified Version, except to acknowledge the contribution(s) of the
Copyright Holder(s) and the Author(s) or with their explicit written
permission.

5) The Font Software, modified or unmodified, in part or in whole,
must be distributed entirely under this license, and must not be
distributed under any other license. The requirement for fonts to
remain under this license does not apply to any document created
using the Font Software.

TERMINATION
This license becomes null and void if any of the above conditions are
not met.

DISCLAIMER
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
OTHER DEALINGS IN THE FONT SOFTWARE.

5.5 BSD 3-Clause License — httpx

Copyright © 2019, [Encode OSS Ltd](https://www.encode.io/).
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

* Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

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