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Bourdon is cross-agent memory federation: a recognition-first runtime that lets Claude Code, Codex, Cursor, and your own agents share one memory and recognise each other’s work, instead of each keeping a private, siloed store. Self-hosting is free and the whole engine; managed hosting is the convenience layer on top.

Quickstart

Four commands. Python 3.10 or newer, or Docker.

pip install bourdon      # 1. install
bourdon setup            # 2. pick which agents to federate, wire the hooks
bourdon doctor           # 3. every participant reports ok, with a fix line if not
claude mcp add bourdon -- bourdon serve   # 4. connect an agent over MCP

Then ask any connected agent what you are working on. The first-turn answer is recognition from the shared library, attributed to the agents that produced it. The full quickstart covers Homebrew, Docker, cross-machine sync, the synthetic demo, and troubleshooting.

Start hereQuickstartFrom pip install to cross-agent recognition in about three minutes: install, run the setup wizard, verify with doctor, and ask an agent what you are working on.Start hereHostedYour own instance and volume, running the same engine. What happens between checkout and a live endpoint, how to mint a token and connect each client, which trust tier to pick, and the one-minute check that proves federation is working.ConceptsHow federation worksParticipants read each agent's native store, publish a visibility-filtered L5 manifest, and the L6 library serves them to every agent over MCP. What is shared, what is not, and how two machines federate.ReferenceThe memory formatThe L5 manifest: plain YAML in a published JSON Schema. Every field, the visibility model, the on-disk layout, and a complete example you can validate.ReferenceAPI referenceThe three surfaces: the MCP server (stdio and HTTP), the bourdon command line, and the on-disk library. Transports, authentication, and the stable contracts.ReferenceMCP toolsEvery tool and resource the L6 server exposes, with signatures and behaviour, generated from the server source at each release.GuidesSelf-hostRun the full engine on your own machine, a box on your tailnet, Docker, or Fly.io. Connect Claude Code, Claude Desktop, Cursor, claude.ai, or ChatGPT.GuidesSecurity modelTrust tiers, per-member tokens, quarantined writes, the append-only audit log, and the bind rules that keep a federation off the open internet by default.ProjectStatus and stabilityWhat pre-alpha means here: which contracts are stable, what may still change, the release history, and the gates every change passes before it ships.

Self-host (free)#

The full engine, forever, nothing held back. Self-hosting is the default and the hero. You get the entire runtime: recognition-first retrieval, the tiered memory stack (L0-L6), and, critically, cross-agent federation included. There is no feature that only the paid tier unlocks; the engine is identical whether you self-host or we host it for you.

bourdon serve on your own box or tailnet
Per-agent token auth, trust tiers, quarantined adapters, append-only audit
Fly.io / Docker / Compose templates in the repo
Apache-2.0 interoperability surface; engine source-available under BUSL-1.1 and converts to Apache-2.0 after four years

Federation is never gated. Cross-agent memory is the product, not an upsell. It is here at the free tier and stays here. The Self-host guide has every path.

Hosted (live)#

Prefer not to run a box? Hosted Bourdon gives you a private Bourdon endpoint - your own machine, your own volume - that your coding agents connect to directly. The free-to-paid line is operations, never engine capability. You pay for always-on uptime, backups, and per-tenant isolation, not for features you would otherwise be missing.

Plan	Price	What it is
Solo	$29 / month	One instance, unlimited agents
Team	$99 / month	One instance, five seats, a bigger machine, priority support

Both start with a 7-day trial; a card is required and you can cancel any time. Same product either way - Team buys room and people, never withheld features. Start at app.bourdon.ai →

The Hosted guide walks the whole path: what happens between checkout and a live endpoint, how to connect each client, and the one-minute check that proves it is working.

Enterprise (coming)#

SSO / SAML, BYOC / BYOK, long audit-retention, HIPAA BAA, dedicated support. Built on the same self-hostable core, so a compliance review can always run against infrastructure you control. Talk to us →

What you pay for#

Bourdon's self-hosted edition is not a lesser version. It is the whole thing, and we are keeping it that way (no deprecated community edition). What managed hosting sells is convenience: uptime, backups, isolation, and support. Some teams want to run it themselves; some would rather pay us to. Both are first-class.

Family#

Bourdon is one half of a fleet OS: it is what the fleet knows. Its sibling, Positif, is what the fleet is allowed to do: cross-agent governed routing with a full audit trail. Memory + governed routing for self-sovereign agent fleets.

Positif → positif.ai · Source on GitLab