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oneagentgraph

Compose agents into a graph over oneharness and onejudge, and merge their outputs into one NDJSON event stream.

One config file and one CLI call: the graph names an oneharness config per role and side, and oneagentgraph prepares each member's launch, supervises liveness, and emits every turn, tool call, fallback, and settle as an event you can pipe into anything.

Install

pip install oneagentgraph-cli      # prebuilt binary, no Rust toolchain
npm install -g oneagentgraph-cli   # the same binary, via npm
cargo install oneagentgraph        # from crates.io, compiled locally

To install a revision that has not been released yet, build it from the repository:

cargo install --git https://github.com/nickderobertis/oneagentgraph --locked

Prebuilt archives for Linux (x86-64, arm64), macOS (Intel, Apple silicon), and Windows (x86-64) are attached to every release, with sha256 checksums.

onejudge is a library dependency, linked into this binary — there is nothing to install for it. run, smoke, and interrupt drive the oneharness CLI, so that has to be on PATH; health, validate, history, persona, trigger, reset-timer, cancel, and sweep need nothing at all — health reads oneharness's own identity sweep through its library, in this process. ONEAGENTGRAPH_ONEHARNESS_BIN names a pinned install instead.

What it does

oneagentgraph run graph.yaml --task "add the retry" --output json

A graph is YAML — members, the oneharness config each side uses, personas, schedules, and dependencies:

version: 9
name: node-scope
members:
  worker:
    kind: onejudge
    base_config: ./onejudge.base.yaml
    agent: { oneharness_config: ./oneharness.toml }
    judge:                            # one side, or a list of sides judged as one panel
      - oneharness_config: ./oneharness.judge.toml
        label: reviewer
      - kind: llmlint
        config: ./llmlint.yml
        diff_base: origin/main
      - command: [./scripts/checks]
    mode: bypass

run streams one envelope per line. Exit 0 means every member settled, 1 that one failed or died, 2 that the config is invalid.

A member may name a persona — the role delta it layers over its base config, by built-in name (persona: engineer), by a name in the graph's own catalog, or by path. A persona is a onejudge config fragment: it is written in onejudge's own field names, and onejudge's schema decides what it may say. The persona format documents it, including the agent: block earlier versions defined, which is now refused with no compatibility path.

A two-party member's judge: is a list of sides judged as one panel — a harness reviewer, an llmlint run over the worker's tree, and a repository's own command, on one worker at once — and a single side is the one-element shorthand for it. A harness side names an oneharness_config, an llmlint side says kind: llmlint with its config resolved from the graph's own directory, and a command side names a command; each may carry a label. A list of one harness side composes the same onejudge provider it always did; any other list composes onejudge's split provider with the judges in list order, and each judge's verdict on each worker turn is published as a judge-decided event naming the judge, its kind, its decision and its reason.

A single-sided member may declare pre_turn commands — run immediately before each of its turns, with what they printed prepended to what that turn is asked. A supervisory member's first act becomes reading a prepared view rather than spending tool calls rediscovering state that already exists. A view that cannot be started, fails, prints nothing, or outruns its own bound leaves the turn happening without it and publishes a pre-turn-context saying which.

When a member's turn goes the wrong way, oneagentgraph interrupt RUN MEMBER --input "do this instead" redirects it in place instead of discarding it the way cancel does. Exit 3 means there was no controllable turn in flight, and says which — a fact, not an error.

Under disk pressure, oneagentgraph sweep --dry-run says what scratch exists, what is reclaimable, and what it could not examine; without --dry-run it reclaims what it proves is dead. What counts as proof is the liveness rules in the contract, which is where they are stated.

oneagentgraph owns no harness, model, or fallback logic. oneharness keeps owning identity chains, fallback, model pins, and quota classification; onejudge keeps owning the two-party conversation. This composes them.

Develop

just bootstrap   # from a clean clone; installs the oneharness CLI
just check       # the deterministic gate: format, clippy, tests, coverage, docs
just gate        # check + the LLM-judge tier; the pre-push bar

Licence

MIT. See LICENSE.

Release files for oneagentgraph-cli 0.4.3

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Built distributions (wheels)

Table of built distributions (wheels) for oneagentgraph-cli 0.4.3
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oneagentgraph_cli-0.4.3-py3-none-win_amd64.whl Python 3 none Windows x86-64 Details
oneagentgraph_cli-0.4.3-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl Python 3 none Linux glibc 2.17+ x86-64 Details
oneagentgraph_cli-0.4.3-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl Python 3 none Linux glibc 2.17+ ARM64 Details
oneagentgraph_cli-0.4.3-py3-none-macosx_11_0_arm64.whl Python 3 none macOS 11.0+ ARM64 Details
oneagentgraph_cli-0.4.3-py3-none-macosx_10_12_x86_64.whl Python 3 none macOS 10.12+ x86-64 Details

Total release size: 24.2 MB

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