Skip to main content

Kyber Developer Experience CLI — deploy agents in one command

Project description

Kyber CLI

Kyber CLI is a developer-experience command line for scaffolding, validating, running, and preparing AI agents for deployment. It gives you a small local project, managed runtime guardrails, structure validation, deterministic version pinning, and deploy-preview generation from one command surface.

Version: 2.0.0

Features

  • Scaffold Python agent projects with generated config, circuit, manifest, tests, and runtime guardrails.
  • Validate config schema, required project structure, managed runtime files, and Kyber CLI compatibility before execution.
  • Run handlers or circuits locally through the Kyber-managed runtime wrapper.
  • Preview expanded deploy manifests with platform defaults.
  • Eject defaults for explicit customization.
  • Pin the Kyber CLI version per repo or per machine.
  • Print deterministic installer commands for exact CLI versions.

Installation

Development Install

git clone https://github.com/kyber/cli.git
cd cli
pip install -e .

Verify

kyber --version
kyber --help

Quick Start

kyber login
kyber design init invoice-parser --runtime python
cd invoice-parser
kyber design validate
kyber exec run circuit
kyber exec deploy --dry-run

Generated project layout:

invoice-parser/
|-- kyber.agent.json
|-- kyber.circuit.json
|-- manifest.json
|-- requirements.txt
|-- pytest.ini
|-- .kyber/
|   |-- runtime.lock.json
|   |-- runtime_wrapper.py
|   `-- direct_run_guard.py
|-- src/
|   `-- handler.py
`-- tests/
    |-- conftest.py
    |-- test_handler.py
    |-- test_circuit.py
    |-- test_guardrails.py
    `-- fixtures/
        `-- sample_event.json

Command Reference

Primary Commands

Command Purpose Example
kyber design init Scaffold an agent project kyber design init my-agent --runtime python
kyber design validate Validate config, structure, runtime guardrails, and CLI compatibility kyber design validate
kyber design explain Show platform defaults and customization hints kyber design explain --capability memory
kyber design eject Export defaults for explicit customization kyber design eject memory
kyber exec run Run a handler or circuit through the managed runtime kyber exec run circuit
kyber exec deploy Preview or prepare deployment output kyber exec deploy --dry-run
kyber exec status Show local runtime/audit status kyber exec status
kyber pin Pin the Kyber CLI version per repo or machine kyber pin --scope repo --version 2.0.0
kyber self-update Print an exact installer command for a CLI version kyber self-update --version 2.0.0 --manager pip
kyber compat Show compatibility and pin precedence rules kyber compat
kyber login Authenticate to the platform kyber login

Legacy aliases such as kyber init, kyber validate, kyber run, and kyber deploy remain callable for compatibility, but lifecycle groups are the preferred command surface.

Design Commands

kyber design init

Create a new agent project.

kyber design init my-agent
kyber design init support-bot --runtime python
kyber design init calendar-agent --runtime python --tool calendar --tool email

Options:

  • --runtime: Agent runtime. Supported: python, node, go.
  • --tool: Tool name to enable. Repeat the flag for multiple tools.

kyber design validate

Validate the current project without a network call.

kyber design validate
kyber design validate --path ./agents/my-agent/kyber.agent.json
kyber design validate --verbose

Validation checks:

  • kyber.agent.json syntax and schema version.
  • Required generated files and directories are present and correctly placed.
  • Python entrypoint lives under src/.
  • Managed runtime wrapper, direct-run guard, and runtime lock are present and hash-valid.
  • Runtime lock was generated by a compatible Kyber CLI major version.
  • Active repo or machine pin matches the installed Kyber CLI exactly.

Example failure:

Validation failed
  - Required file missing or moved: requirements.txt. Restore the file at requirements.txt or rerun 'kyber design init <name>' and copy your changes into the generated layout.
  - Kyber DX 2.0.0 does not match the active repo pin 2.0.1 at .kyber/dx.json. Install the pinned version with 'kyber self-update --version 2.0.1' or update the pin with 'kyber pin --scope repo --version 2.0.0'.

kyber design explain

Inspect platform defaults and how to override them.

kyber deploy --env dev
# Agent deployed and ready to handle requests

Total time: < 5 minutes


📚 Command Reference

Core Commands

Command Purpose Example
kyber init Create new agent project kyber init my-agent --runtime python
kyber validate Check config syntax & schema kyber validate
kyber deploy Deploy to environment kyber deploy --env prod
kyber explain Show applied defaults kyber explain --capability memory
kyber eject Export config for customization kyber eject memory
kyber pin Pin CLI version per repo or machine kyber pin --scope repo --version 2.0.0
kyber self-update Print deterministic installer command kyber self-update --version 2.0.0 --manager pip
kyber compat Show CLI/runtime compatibility metadata kyber compat --json
kyber login Authenticate to platform kyber login

Detailed Usage

kyber compat - Show CLI Compatibility Metadata

Expose the installed Kyber CLI version and the supported runtime lock version range.

kyber compat

# Machine-readable
kyber compat --json

kyber compat --json exposes:

{
  "dx_version": "2.0.0",
  "supported_runtime_version_range": "2.x.x"
}

Runtime locks generated by the same Kyber CLI major version are compatible. Execution is blocked when the active repo/machine pin does not match the installed CLI.


kyber init — Scaffold New Agent

Create a minimal agent project with Tier 1 configuration (4 fields only).

kyber design eject memory
kyber design eject governance
kyber design eject identity
kyber design eject all

Typical customization flow:

kyber design eject memory
notepad kyber.memory.yaml
kyber exec deploy --dry-run

Execution Commands

kyber exec run

Run a handler or circuit through the Kyber-managed runtime. Execution is blocked if validation, structure, runtime guardrail, or CLI compatibility checks fail.

kyber exec run
kyber exec run circuit
kyber exec run --event '{"input": "hello"}'
kyber exec run --event-file tests/fixtures/sample_event.json
kyber exec run circuit --circuit-file kyber.circuit.json

Options:

  • --event, -e: Inline JSON event payload.
  • --event-file, -f: Path to a JSON event file.
  • --circuit-file: Circuit JSON file used when running circuit.

kyber exec deploy

Expand config with platform defaults and preview or prepare deployment output.

kyber exec deploy --dry-run
kyber exec deploy --env dev
kyber exec deploy --env stage
kyber exec deploy --env prod

Options:

  • --env: Target environment. Supported: dev, stage, prod. Default: dev.
  • --dry-run: Print expanded config and generated manifest without deploying.
  • --manifest-path: Output path for the generated manifest. Default: manifest.json.

kyber exec status

Show local runtime/audit state.

kyber exec status
kyber exec status --path .
kyber exec status --limit 20

Versioning Commands

Kyber supports deterministic CLI versioning. Pins are explicit, installer commands use exact versions, and execution is blocked when the active pin or runtime lock is incompatible.

kyber pin

Pin the Kyber CLI version for the current repo or the current machine.

kyber pin --scope repo --version 2.0.0
kyber pin --scope machine --version 2.0.0

Pin files:

  • Repo pin: .kyber/dx.json
  • Machine pin on Windows: C:\Users\<you>\AppData\Local\kyber\dx.json
  • Machine pin on Linux/macOS: ~/.kyber/dx.json

Precedence:

  1. Repo pin wins when .kyber/dx.json exists.
  2. Machine pin is used when no repo pin exists.
  3. No pin means the installed CLI is accepted, subject to runtime lock compatibility.

kyber self-update

Print a deterministic installer command for an exact Kyber CLI version. This command intentionally avoids floating latest installs.

kyber self-update --version 2.0.0 --manager pip
kyber self-update --version 2.0.0 --manager pipx
kyber self-update

If --version is omitted, Kyber uses the active pin when present, otherwise the currently installed CLI version.

kyber compat

Show compatibility and pin precedence rules.

kyber compat

Policy summary:

  • Runtime locks generated by the same Kyber CLI major version are compatible.
  • Future or different-major runtime locks block execution.
  • Repo pins override machine pins.
  • Active pins must exactly match the installed Kyber CLI version.

Authentication

kyber login
kyber login --env stage
kyber login --no-browser

Options:

  • --env: Target environment. Supported: dev, stage, prod. Default: prod.
  • --no-browser: Print auth URL instead of opening a browser.

Token storage on Windows: C:\Users\<you>\AppData\Local\kyber\config.json

Configuration

Minimum generated config lives in kyber.agent.json:

{
  "schema_version": "4.5.7",
  "name": "invoice-parser",
  "runtime": "python",
  "tools": [],
  "entrypoint": "src/handler.py",
  "profile": "standard"
}

The defaults engine expands this into a full manifest for deployment previews. Developer-provided config wins over defaults.

Typical Workflow

kyber design init invoice-parser --runtime python
cd invoice-parser

notepad src/handler.py

kyber design validate
kyber exec run circuit
kyber design explain --capability memory
kyber exec deploy --dry-run

kyber design eject memory
notepad kyber.memory.yaml
kyber exec deploy --dry-run

Development

Run tests:

.\venv\Scripts\python.exe -m pytest

Validation checklist:

kyber --version
kyber --help

kyber design init test-agent --runtime python
cd test-agent

kyber design validate
kyber exec run circuit
kyber design explain --capability memory
kyber design eject memory
kyber exec deploy --dry-run

kyber pin --scope repo --version 2.0.0
kyber compat
kyber self-update --version 2.0.0 --manager pip

Current Limitations

Feature Status
Real deployments --dry-run and manifest generation are available; control-plane integration is pending.
OIDC authentication Stub implementation for local development.
Container registry push Not implemented yet.
Usage telemetry Disabled.

Support

Roadmap

  • Control Plane API integration for real deployments.
  • Production OIDC authentication flow.
  • Container registry integration.
  • Interactive config builder.
  • Real-time deployment logs.

License

This project is licensed under the MIT License.

Project details


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distributions

No source distribution files available for this release.See tutorial on generating distribution archives.

Built Distribution

If you're not sure about the file name format, learn more about wheel file names.

kyber_cli-2.0.1-py3-none-any.whl (70.1 kB view details)

Uploaded Python 3

File details

Details for the file kyber_cli-2.0.1-py3-none-any.whl.

File metadata

  • Download URL: kyber_cli-2.0.1-py3-none-any.whl
  • Upload date:
  • Size: 70.1 kB
  • Tags: Python 3
  • Uploaded using Trusted Publishing? No
  • Uploaded via: twine/6.2.0 CPython/3.12.3

File hashes

Hashes for kyber_cli-2.0.1-py3-none-any.whl
Algorithm Hash digest
SHA256 f25e7cf149c90e50cc08790d3a3ef1baee132cf42ac0ce0234c2d9dda7f38f20
MD5 7d4c177aaaab0bd24f8dea9bd61e2a83
BLAKE2b-256 47e29c6f9e1884ae3afb9373109203cd606bc5d7f07328228e2604982b13687b

See more details on using hashes here.

Supported by

AWS Cloud computing and Security Sponsor Datadog Monitoring Depot Continuous Integration Fastly CDN Google Download Analytics Pingdom Monitoring Sentry Error logging StatusPage Status page