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Lakehouse-native graph engine with git-style workflows
https://omnigraph.dev
fc95eb8ff3
The prior `with_policy_engine` constructor reused the engine `Arc` from the existing handle (`engine: Arc::clone(&existing.engine)`) without re-applying `Omnigraph::with_policy`. Combined with `new_with_workload`, the documented composition pattern was `AppState::new_with_workload(...).with_policy_engine(p)` — which produced an `AppState` whose HTTP layer enforced Cedar but whose underlying engine had no `PolicyChecker` installed. Any caller reaching the engine via `state.registry().list()[i].engine` could bypass policy entirely. The doc comment named this gap; the type system didn't. Make composition impossible to get wrong: * Add `AppState::new_single(uri, db, tokens, Option<PolicyEngine>, WorkloadController)` — canonical single-mode constructor that takes every option together and routes through `build_single_mode` (which applies `db.with_policy(checker)` to the engine itself). * `new`, `new_with_bearer_token`, `new_with_bearer_tokens`, `new_with_bearer_tokens_and_policy`, `new_with_workload` all become thin wrappers around `new_single`. * Delete `with_policy_engine`. There is no post-construction policy install path any more; the single linear construction forces HTTP-layer and engine-layer policy to install together or not at all. Regression test `engine_layer_policy_fires_via_direct_arc_omnigraph_from_new_single` constructs an `AppState::new_single` with a deny-all policy, pulls the `Arc<Omnigraph>` from the registry handle (the same path an embedded SDK consumer would take), and asserts a direct `mutate_as` call returns `OmniError::Policy`. Pre-fix this test would have succeeded the mutation. Test caller in `ingest_per_actor_admission_cap_returns_429` migrates from `.with_policy_engine(...)` to `new_single(..., Some(policy_engine), workload)`. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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| .cargo | ||
| .context | ||
| .github | ||
| 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
Object-storage native graph engine with git-style workflows. Designed for agents as first-class operators.
Branch, commit, and merge typed graph data like source code. Multi-modal, self-hosted, open source.
Built on Rust, Arrow, DataFusion and Lance.
Join the Omnigraph Slack community
Use Cases
- Company brains / Second brains
- Context graphs
- Backbone for multi-agent research
- Incident response graphs
- Compliance & audit graphs
- Enterprise knowledge systems
Capabilities
- Typed schema, typed queries, and typed mutations
- Native blob-as-data support (docs, images, videos, etc)
- 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 graph
- 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 graph prefix but did not finish
initializing the graph, 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 ./graph.omni
omnigraph load --data ./data.jsonl ./graph.omni
omnigraph read --query ./queries.gq --name get_person --params '{"name":"Alice"}' ./graph.omni
omnigraph change --query ./queries.gq --name insert_person --params '{"name":"Mina"}' ./graph.omni
omnigraph branch create --from main feature-x ./graph.omni
omnigraph branch merge feature-x --into main ./graph.omni
See docs/user/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.