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Lakehouse-native graph engine with git-style workflows
https://omnigraph.dev
78cc548846
Implements MR-858 ahead of the rest of the MR-857 epic: the deterministic
narrative test counterpart to MR-783's randomized harness.
`tests/agent_lifecycle.rs::agent_lifecycle_init_load_branch_merge_time_travel_optimize_cleanup`
walks the canonical agent flow end to end:
1. init repo with TEST_SCHEMA
2. load_jsonl seed data (4 Person + 2 Company nodes; Knows + WorksAt edges)
3. branch_create feature off main
4. mutate on feature: single-statement insert (Eve) + multi-statement
insert+edge (Frank knows Eve)
5. query on feature: total_people / friends_of (traversal) /
unemployed (anti-join) / friend_counts (aggregation)
6. mutate on main (set Bob's age) — sets up non-conflicting merge
7. branch_merge feature → main; verify version advance
8. query post-merge: confirm Eve visible on main (from feature) +
Bob visible (from main mutation, carried through merge)
9. snapshot_at_version(pre_merge_version): time-travel still sees
pre-merge state (4 Persons, no Eve)
10. optimize the post-merge graph; verify reads still work + counts
unchanged
11. cleanup with --keep 10 --older-than 3600s (no-op for this short
test, but exercises the call path)
12. drop + reopen; verify all counts + branch list consistent;
confirm read path works post-cleanup-reopen
**Known limitation surfaced**: post-optimize mutation path in step 11
hit `ExpectedVersionMismatch` because `optimize_all_tables` advances
per-table Lance HEAD without updating the `__manifest` pin
(`db/omnigraph/optimize.rs:77`), and something between optimize and
re-open writes a higher version row to `__manifest`. Test documents
this and defers full coverage to MR-859 (`omnigraph optimize` +
`cleanup` integration coverage), keeping the read-path-after-cleanup
assertion which is the headline operator concern.
Test runs in <1s. ~672 workspace tests pass with --features
failpoints; no regressions.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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| .cargo | ||
| .context | ||
| .github/workflows | ||
| crates | ||
| docker | ||
| docs | ||
| scripts | ||
| .dockerignore | ||
| .gitignore | ||
| AGENTS.md | ||
| Cargo.lock | ||
| Cargo.toml | ||
| CLAUDE.md | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| Dockerfile | ||
| LICENSE | ||
| og-cheet-sheet.md | ||
| omnigraph.example.yaml | ||
| openapi.json | ||
| README.md | ||
| rust-toolchain.toml | ||
| SECURITY.md | ||
Omnigraph
Lakehouse-native graph engine with git-style workflows.
Branch, commit, and merge typed graph data like source code. Multi-modal, self-hosted, open source.
Use Cases
- On-prem & hybrid context graphs
- Backbone for multi-agent research
- Incident response graphs
- Compliance & audit graphs
- Enterprise knowledge systems
Capabilities
- Typed schema, typed queries, and typed mutations
- Schema-as-code, query validation and linting
- Git-style graph workflows: branches, commits, merges, and transactional runs
- Local, on-prem & cloud S3-native storage with snapshot-pinned reads
- Graph traversal + text, fuzzy, BM25, vector, and RRF search in one runtime
- Policy-as-code for server-side access control
- Single CLI for multiple deployments
Quick Install
curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/install.sh | bash
This installs omnigraph and omnigraph-server into ~/.local/bin from
published release binaries.
Or install with Homebrew:
brew tap ModernRelay/tap
brew install ModernRelay/tap/omnigraph
For starter graphs and agent skills to bootstrap and operate Omnigraph, see ModernRelay/omnigraph-cookbooks.
One-Command Local RustFS Bootstrap
curl -fsSL https://raw.githubusercontent.com/ModernRelay/omnigraph/main/scripts/local-rustfs-bootstrap.sh | bash
That bootstrap:
- starts RustFS on
127.0.0.1:9000 - creates a bucket and S3-backed repo
- loads the checked-in context fixture
- launches
omnigraph-serveron127.0.0.1:8080
Docker must be installed and running first.
The RustFS bootstrap prefers the rolling edge binaries and only falls back to
source builds when release assets are unavailable.
If a previous run left objects under the same repo prefix but did not finish
initializing the repo, rerun with RESET_REPO=1 or set PREFIX to a new
value.
Common Commands
The same URI works for local paths, s3://…, or http://host:port.
omnigraph init --schema ./schema.pg ./repo.omni
omnigraph load --data ./data.jsonl ./repo.omni
omnigraph read --query ./queries.gq --name get_person --params '{"name":"Alice"}' ./repo.omni
omnigraph change --query ./queries.gq --name insert_person --params '{"name":"Mina"}' ./repo.omni
omnigraph branch create --from main feature-x ./repo.omni
omnigraph branch merge feature-x --into main ./repo.omni
See docs/cli.md for schema apply, snapshots, ingest, runs, and policy commands.
Docs
Build And Test
cargo build --workspace
cargo check --workspace
cargo test --workspace
Notes:
- Rust stable toolchain, edition 2024
- CI runs
cargo test --workspace --locked - Full CI and some local test flows require
protobuf-compiler - S3 integration tests expect an S3-compatible endpoint such as RustFS
Workspace Crates
crates/omnigraph-compiler: shared schema/query parser, typechecker, catalog, and IR loweringcrates/omnigraph: storage/runtime, branching, merge, change detection, and query executioncrates/omnigraph-cli: CLI for init/load/ingest/read/change/branch/snapshot/export/policy operationscrates/omnigraph-server: Axum HTTP server for remote reads, changes, ingest, export, branches, commits, and runs
Contributing
Please open an issue, spec, or design discussion before sending large code changes. Design feedback and concrete problem statements are the fastest way to collaborate on the roadmap.
Community
Join the Omnigraph Slack community to ask questions, share feedback, and follow development.