Stellar Jay is the open-source data store that powers
AvianSuite. AvianSuite is an agent-native business
data platform: AI agents run business processes like sales follow-up and
bookkeeping on your company's data, and every change they make is versioned,
attributed to the agent that made it, and reversible. Think of it as Git for
your business data.
Safe write access for AI agents. An append-only business fact store with an MCP server: every change is kept, attributed to the agent that made it, and can be undone.
2026-10-28
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Agents connect over MCP. The server is listed in the MCP registry as
com.aviansuite/stellar-jay, and the CRM (Martin)
and bookkeeping (Magpie) apps run on
the same store. This project was formerly called JayBase.
Hosted:AvianSuite runs Stellar Jay for you.
$20/month per store, with a 14-day free trial.
Self-hosted: free and open source under the AGPL. The quick start below
gets a store running on your machine in a few minutes.
Agent setup
Connect an agent with the MCP server. On AvianSuite, add the remote server:
# Claude Code
claude mcp add --transport http aviansuite https://mcp.aviansuite.com/mcp
Install it with go install github.com/kyle-visner/stellarjay/cmd/stellarjay-mcp@latest.
Tools and details: docs/mcp.md.
Why
Clients want agents that do the work, not just read about it. But when an agent
writes straight into a CRM or ticketing system, one bad decision or runaway
loop can overwrite or delete records, and there is often no way back.
Stellar Jay is built so that can't happen:
Nothing is overwritten or deleted. A correction or retraction is a new
entry, and the original stays in history.
Every change has a name on it. Each agent gets its own token, so you can
see exactly which agent changed what, and when.
Any change can be undone. Roll back everything one agent did in a time
window, with a preview first.
History is tamper-evident. If anyone rewrites or removes past entries, it
shows.
Retries are safe. An agent that retries after a timeout doesn't create
duplicates, and a write based on stale information is refused.
Your data stays flexible. Facts are JSON, so new fields and new kinds of
records need no migrations.
Every fact keeps its evidence and the agent that recorded it, so any wrong one
is visible, attributed and correctable.
Who it's for
Developers, consultants, and small teams moving from read-only copilots to
agents that are allowed to act: operations, accounting, approvals, support, and
other work where the data matters. Each store serves one organization. Many
agents and apps can share it.
Quick start (self-hosted)
Requires Go 1.22 or later.
1. Install and create secrets.
go install github.com/kyle-visner/stellarjay/cmd/stellarjay-server@latest
stellarjay-server init ./secrets
init creates a data encryption key and prints an admin, writer, and reader
token once. Save them in a password manager.
expected_root is empty only for the first entry in a new store. After that,
read the current value from GET /v1/root and send it with each write, so a
write based on stale information is refused. The API guide
covers reading history, pagination, named checkpoints, and snapshots.
4. Connect an agent. Point the MCP server at your store:
go install github.com/kyle-visner/stellarjay/cmd/stellarjay-mcp@latest
Then use the self-hosted config from Agent setup with
STELLARJAY_URL=http://127.0.0.1:8080 and your writer token. Agents that don't
use MCP can read $STELLARJAY_URL/llm.txt, which explains how to work with the
store.
Deploy to a server
For a production store with HTTPS, you need a Linux host with Docker Compose,
ports 80 and 443 open, and a DNS record pointing a domain at the host.
git clone https://github.com/kyle-visner/stellarjay.git
cd stellarjay
cp .env.example .env
# Edit .env and set STELLARJAY_DOMAIN.
go run ./cmd/stellarjay-server init ./secrets
docker compose up -d --build
curl https://stellarjay.example.com/health/ready
init will not replace existing secrets. The
operations runbook covers backups, token rotation and
upgrades, and the security model covers keys, roles and
hardening. Or skip all of this and use AvianSuite.
Documentation
llm.md: the guide agents follow to read and write safely
GOCACHE=/tmp/stellarjay-gocache go test -race ./...
GOCACHE=/tmp/stellarjay-gocache go vet ./...
docker compose config
docker build -t stellarjay:test .
License
AGPL-3.0-or-later. See LICENSE. Hosted Stellar Jay is available from
AvianSuite.
S
Stellarjay
kyle-visner·9 ดาว·
Safe write access for AI agents. An append-only business fact store with an MCP server: every change is kept, attributed to the agent that made it, and can be undone.
คัดลอกคอนฟิก http สำหรับ Cursor, Claude Desktop, Claude Code หรือ VS Code ได้ในหน้านี้ คอนฟิกนี้ใช้การติดตั้งของผู้เผยแพร่ ไม่ใช่พร็อกซีของ PlugMCP
Stellarjay ต้องใช้ API key ไหม?
ระเบียนนี้ไม่ได้ระบุตัวแปรสภาพแวดล้อมที่จำเป็น
Stellarjay ใช้ทรานสปอร์ตแบบใด?
Stellarjay เข้าถึงได้ผ่าน HTTP
Stellarjay ถูกตรวจสอบล่าสุดเมื่อใด?
ตรวจสอบล่าสุดเมื่อ 2026-10-28 Safe write access for AI agents. An append-only business fact store with an MCP server: every change is kept, attributed to the agent that made it, and can be undone.