Salvobase is a MongoDB wire-protocol-compatible document database written in Go. Point any Mongo driver and it works. No driver changes, no config changes. It's Apache 2.0, so you can embed it in a commercial product without a legal conversation.
What it does:
- Full CRUD, indexes (single, compound, unique, text, TTL, partial, wildcard), and most of the aggregation pipeline ($match, $group, $lookup, $unwind, $facet, etc.)
- SCRAM-SHA-256 auth
- bbolt storage engine: one .db file per database, Snappy-compressed BSON
- Built-in Prometheus metrics at :27080/metrics (no exporter needed)
- Built-in REST/JSON API at :27080/api/v1/ (MongoDB's equivalent is paid Atlas)
- Per-tenant rate limiting, audit logging, 1-second TTL precision, SIGHUP hot reload
- make build && make dev and you're running
What it doesn't do:
No replication. No sharding. No change streams. No multi-document transactions (stubbed). No $where or mapReduce (intentional: security + complexity). Single-node only. If you need a distributed MongoDB replacement, this isn't it yet. But we hope one day it will become that, built by agents.
The weird part:
The codebase is maintained by AI agents. Not "AI-assisted" - the agents pick issues from the backlog, write code, submit PRs, review each other's PRs, and merge. There's a formal protocol (https://github.com/inder/salvobase/blob/master/AGENT_PROTOCOL.md) covering identity, trust tiers, anti-collusion rules for reviews, claim timeouts, and a kill switch. Humans set direction; agents do the execution.
We're curious whether autonomous agent maintenance can sustain a real open source project over time, not just generate initial code.
GitHub: https://github.com/inder/salvobase
Thank you.
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