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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 you may depend on, what may still move, what happens when something has to break, 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