christopherkarani/ryk

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انسخ هذا الطلب إلى المساعد الذكي الذي تستخدمه.

Follow https://skillsmp.com/skill-install/prompt.md to install Agent Skills from https://github.com/christopherkarani/ryk.

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<a href="https://rykanv.com/">Website</a> · <a href="https://discord.gg/uZn9MDUYKx">Discord</a> · <a href="CONTRIBUTING.md">Contributing</a> · <a href="SECURITY.md">Security</a> <a href="README.zh-CN.md">简体中文</a> · <a href="README.ur-pk.md">اردو</a> · <a href="README.es.md">Español</a> <a href="https://github.com/christopherkarani/ryk/actions/workflows/build.yml"><img src="https://img.shields.io/github/actions/workflow/status/christopherkarani/ryk/build.yml?label=build" alt="Build status"></a> <a href="https://github.com/christopherkarani/ryk/blob/main/LICENSE"><img src="https://img.shields.io/github/license/christopherkarani/ryk" alt="Apache 2.0 license"></a> <a href="https://github.com/christopherkarani/ryk"><img src="https://img.shields.io/github/stars/christopherkarani/ryk?style=flat" alt="GitHub stars"></a> <a href="https://github.com/christopherkarani/ryk/releases/latest"><img src="https://img.shields.io/github/v/release/christopherkarani/ryk" alt="GitHub release"></a> # ryk **Local guardrails for coding agents.** Run Claude Code, Codex, Pi, OpenCode, Hermes, OpenClaw, or Grok through one local binary. ryk checks commands, files, secrets, network, and MCP actions before they hit your machine — allow / ask / deny / observe — and keeps the evidence on disk. <img src="docs/assets/ryk-deny-demo.gif" alt="ryk denying an OpenCode rm -rf / command" width="720"> Agent tries <code>rm -rf /</code> (or <code>rm -rf ./build</code>). ryk denies the recursive force-delete. Session stays on your laptop. ## Install ```sh curl -fsSL https://rykanv.com/install | sh ``` Latest is [v0.2.21](https://github.com/christopherkarani/ryk/releases/tag/v0.2.21). Pin with `RYK_VERSION=0.2.21`. ## Start an agent ```sh ryk claude # or: codex | pi | opencode | openclaw | hermes | grok ``` Scan past agent sessions for risky commands and secret-like exposure: ```sh ryk scan ``` If ryk saves you a bad day, [star the repo](https://github.com/christopherkarani/ryk) — it helps other engineers find it. ## What you get | | | | --- | --- | | Host integrations | Launch aliases for Pi, Hermes, OpenCode, Codex, Claude Code, OpenClaw, and Grok. Cursor is supported through host discovery and its shell hook. | | OS sandboxing | Automatic OS filesystem sandboxing with Seatbelt on macOS and Landlock on Linux when available. Windows has no OS sandbox (wrapper/hook grade only). | | Secret redaction | Secret-like values are redacted before audit and replay data is written. | | MCP protection | MCP tool calls are classified locally, and supported stdio servers run through ryk's protected proxy. | | 86 safety packs | Built-in command patterns for destructive and sensitive operations, with project-level opt-in packs. | | Policy decisions | `allow`, `ask`, `deny`, and `observe` decisions for local actions. | | Local evidence | A localhost dashboard (including a Terminal view of blocked commands) and replay commands for sessions, decisions, and audit records. | | One local binary | The Zig CLI owns launch, evaluation, policy checks, host adapters, and diagnostics. | ### Supported hosts | Host | Entry point | Integration point | | --- | --- | --- | | Pi | `ryk pi` | Bundled extension | | Hermes | `ryk hermes` | `pre_tool_call` | | OpenCode | `ryk opencode` | `tool.execute.before` | | Codex | `ryk codex` | `PreToolUse` | | Claude Code | `ryk claude` | `PreToolUse` | | OpenClaw | `ryk openclaw` | `tool.before` | | Grok | `ryk grok` | `PreToolUse` | | Cursor | Host discovery and `cursor-agent` preset | `beforeShellExecution` | ## How policy works ryk evaluates each guarded action locally. The main policy surfaces are: | Surface | Examples | | --- | --- | | Commands | Shell commands, pipelines, redirects, and interpreters | | Files | Workspace files, project control files, and sensitive paths | | Environment | Inherited variables and secret access | | Network | Host allowlists and mediated outbound connections | | Tools | MCP and host tool calls mapped to effects | The policy mode controls the response: | Mode | Behavior | | --- | --- | | `observe` | Record decisions without blocking supported actions | | `ask` | Prompt for risky actions when the host can resume them | | `strict` | Deny unknown or risky actions unless a rule allows them | | `ci` | Run strict behavior without prompts; `ask` becomes deny | Explicit deny rules take priority. Safety packs classify commands and effects, but they do not grant permission past a deny rule. Validate a built-in preset: ```sh ryk policy check --preset ask ``` See the [policy reference](docs/policy.md) for policy files, priorities, and examples. ## Safety packs Safety packs extend the shell evaluator with focused command coverage. Baseline packs such as `core.*` and `system.disk` are enabled by default. ```sh ryk packs ryk packs show core.git ryk packs enable containers.docker database.postgresql ryk packs disable containers.docker ``` In a Git workspace, project pack choices are stored in `.ryk.toml`. Use `ryk packs` for scripts and diagnostics. Test or explain a command without running it: ```sh ryk test "git status" ryk test "rm -rf /" --format json ryk explain "rm -rf /" ``` ## Architecture The launch aliases, host adapters, shell evaluator, and policy engine share one local decision path. <img src="docs/images/ryk-architecture.svg" alt="ryk architecture from agent hosts through local policy to guarded effects and evidence" width="100%"> 1. A launch alias starts the agent with ryk's session defaults. 2. Host adapters send shell and tool events to the evaluator. 3. The evaluator combines policy rules, safety-pack matches, and the active mode. 4. ryk allows, asks, observes, or denies the action. 5. The session records local evidence for the dashboard and replay commands. ## Dashboard Start the localhost dashboard: ```sh ryk dashboard ``` Open [http://127.0.0.1:7742](http://127.0.0.1:7742). The server is localhost-only by default and uses the existing ryk policy and CLI paths. For smoke tests and automation, `--once` serves one request and then exits: ```sh ryk dashboard --once ``` ## Limits ryk is graded mediation, not a universal OS sandbox. It is macOS/Linux-first. Windows sessions run at wrapper/hook grade with no OS sandbox. Absolute-path binaries, non-shimmed tools, non-proxy traffic, and host hooks that do not fire can sit outside a particular enforcement surface. `ryk doctor` reports platform capability; it does not prove that a child session attached to an OS sandbox, and it cannot promote Windows to `OS-enforced`. Read the [compatibility matrix](docs/compatibility.md) and [threat model](docs/threat-model.md) before making a stronger claim. Release builds include opt-in product telemetry: nothing is collected or sent unless you run `ryk telemetry enable`. See [docs/telemetry.md](docs/telemetry.md) for the exact payload contract. ## Documentation Start with the [documentation index](docs/README.md). The most useful guides are: - [Install and release artifacts](docs/install.md) - [Quickstart](docs/quickstart.md) - [Commands](docs/commands.md) - [Policy](docs/policy.md) - [Credentials and secret handling](docs/credentials.md) - [MCP](docs/mcp.md) - [Platform notes](docs/platform-linux.md) - [Windows platform](docs/platform-windows.md) ## Contributing ryk is built with Zig 0.16.0. From a checkout: ```sh ./scripts/zig version ./scripts/compile-fast.sh check ./scripts/zig build test-shell-engine ``` Read [CONTRIBUTING.md](CONTRIBUTING.md) before opening a pull request. For security issues, use [SECURITY.md](SECURITY.md). ## Community - [Website](https://rykanv.com/) - [Discord](https://discord.gg/uZn9MDUYKx) - [GitHub issues](https://github.com/christopherkarani/ryk/issues) - [Releases](https://github.com/christopherkarani/ryk/releases) ## License Apache 2.0. See [LICENSE](LICENSE).

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Use when Pi tool calls are protected by ryk runtime guardrails or when a secret was captured from a Pi prompt.

لغة النص الأصلي: الإنجليزية

2026-08-16

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