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The knowledge base where agents work on your files.

Solomon keeps every note as plain markdown on your disk, then lets your team and Claude agents edit it together, in real time, from desktop or phone. Encrypted in transit; local-first. No sandbox. No copy. No lock-in.

free during the private beta · no credit card
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on your disk 
--- id: 7f9c-a2 · authors: [jess, marco, agent:librarian] ---
~/Solomon/*.md
§ built to fix four things

Every other tool made us give something up. So we stopped giving things up.

01
agents · local files

Agents that touch your real files, not a remote copy.

Remote agents hand you a sandbox and a snapshot. Solomon's agents read and write the actual markdown in your vault: folder-scoped, fully logged, and paused at a human approval gate for anything destructive. Anything you put in a folder named _private is never shown to them.

Agents
2 running · 1 awaits approval
>_
librarian
sorting triage/
0:42
read 14 · tagged 8 · moved 3
α
archivist
approve?
rm archive/2024-Q1/*.md (12 files)
Approve
Reject
summarizer · 4m ago · appended 3 summary sections
SSCathedral · Solomon
4 online · 2 agents
#
Cathedral
▾ meetings
2026-04-23.md
2026-04-22.md
▸ research
▸ _private
index.md
readme.md
---
id: 7f9c…a2
agent: librarian
status: run
---
Cathedral · weekly sync
Decision to land on a tilted seam for the mark. Jess pushed back on the offset; we agreed 3px reads at 16.^b-42
[[agents/librarian]] will sort the triage inbox overnight.
MK
Present
JL
MK
SP
>
Backlinks
roadmap.md
q2/okrs.md
decisions/brand.md
syncedmain
142 lines · 8,912 words
02
real-time · multiplayer

Collaborate on a document, the way you actually expect to.

See where everyone's cursor is. Edit the same paragraph at the same time, online or off — when you reconnect, both sets of changes are simply there. No conflict dialogs, no 'which version do you want to keep'. Underneath it is still a plain text file on everyone's disk.

03
mobile · capture & approve

A mobile app you'll actually open.

Mobile isn't a cramped port of the desktop. It's rebuilt around the things you do away from your desk: capture a thought, triage the inbox, approve an agent run with one tap. Loud and single-purpose, where the desktop is quiet.

9:41●●● ▾
Today
thu · 4 online · 2 agents
α
archivist
approve?
rm archive/2024-Q1/*.md (12)
Approve
Reject
Activity
JL
edited index.md
2m
>_
created research/crdts
9m
MK
renamed sync-04-23.md
18m
SP
tagged brand/mark.md
41m
todayinboxnotesyou
+
SSchangelog.html
html · live preview
1<!-- ^b-08 -->
2<section class="release">
3<h2>0.1.4 · tilted seam</h2>
4<p>Mark now reads at 16px</p>
5<ul>
6<li>HTML editor</li>
7</ul>
8</section>
preview
0.1.4 · tilted seam
Mark now reads at 16px
  • HTML editor
syncedhtml
8 lines · renders live
04
html · live preview

Markdown and HTML, side by side.

A real HTML editor lives right next to the markdown one. Hand-edit a page, watch it render live, and keep it in the same vault as everything else, with the same presence, history, and agents. Your .html is a first-class citizen, not an export.

why we built this
We were tired of agents that could only see a sandbox, of pasting docs back and forth instead of editing them together, of a mobile app that fought us, and of having nowhere good to hand-edit a little HTML. Solomon is the tool we wanted to exist: one vault, plain files, real collaborators, human and agent alike.
SS
the Solomon team · 2026
§ and the rest of it
Encrypted in transit
Your vault is plain markdown on disk, readable with or without Solomon. Sync traffic runs over TLS between your devices; the sync service processes plaintext to power real-time multiplayer, search, and agents.
Publish
Turn any note or folder into a public page when you want to. Readers get a clean rendered view; everything else in your vault stays private.
Your files stay files
Nothing is locked in a database only Solomon can read. Your vault is an ordinary folder of .md and .html — open it in any editor, search it with any tool, back it up like anything else.
History you can trust
Link to a specific paragraph and the link still works after the note is rewritten. Roll a note back to any earlier moment, or see exactly what an agent changed and when.
Agents you can fence in
Give an agent one folder and read-only access if that is all it needs. Anything destructive is refused unless you have explicitly allowed it.
Git mirror
Daily commits of your vault to a repo you own. Backup, audit, and a clean export path.
Keyboard-first
Every feature is one search-and-type away — press a key, type what you want, hit enter. Menus exist, but you will rarely need them.
Run sync yourself
Point Solomon at your own server instead of ours. Hosting costs whatever your server costs — and if you keep it on your own private network, nothing.
§ pricing

Free for everyone, for the whole private beta.

Solomon is free for everyone — individuals and teams alike — for the entire private beta. The plans below are where we're headed; when we open the public beta, we reserve the right to start charging.

Individuals
Free
the whole private beta
Everything in Solomon, encrypted in transit, on all your devices. No credit card, no seat limit, for the entire private beta.
Enterprise
$10
per seat / month
SSO, admin controls, shared agent governance, and priority support for your whole team.
Self-hosted sync
At cost
you host it
Point Solomon at a server you control and pay only what that server costs. Keep it on your own private network — an old Mac mini at home, say — and it costs nothing.
SS

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We're onboarding workspaces in small batches. Drop your email and we'll reach out when a seat opens.

free during the private beta · no credit card