> ## Documentation Index
> Fetch the complete documentation index at: https://docs.getsly.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# SDKs & tools

> Official Sly libraries for Node.js, CLI, and MCP.

Four official packages published under the `@sly_ai` scope on npm:

<CardGroup cols={2}>
  <Card title="Node SDK" icon="node-js" href="/sdks/node-sdk">
    `@sly_ai/sdk` — typed client for Node.js / TypeScript / Deno. Covers every endpoint.
  </Card>

  <Card title="CLI" icon="terminal" href="/sdks/cli">
    `@sly_ai/cli` — terminal tool for ops, scripting, and CI.
  </Card>

  <Card title="MCP server" icon="plug" href="/sdks/mcp-server">
    `@sly_ai/mcp-server` — Sly capabilities as MCP tools for Claude Desktop.
  </Card>

  <Card title="Webhook verification" icon="lock" href="/sdks/webhook-verification">
    Drop-in helpers for verifying webhook signatures in any language.
  </Card>
</CardGroup>

## Which to use

| Scenario                                       | Pick                                              |
| ---------------------------------------------- | ------------------------------------------------- |
| Building a Node.js / TypeScript backend        | [Node SDK](/sdks/node-sdk)                        |
| Shell scripts, CI pipelines, local exploration | [CLI](/sdks/cli)                                  |
| Claude Desktop, Cursor, agent runtimes         | [MCP server](/sdks/mcp-server)                    |
| Python / Go / Rust / other backend             | Raw REST with the [API reference](/api-reference) |

A Python SDK is on the roadmap. Until it ships, Python integrations use the REST API directly — all endpoints are straightforward JSON over HTTPS.

## Versioning

All packages follow semver. We treat a major version bump as a contract change — breaking changes happen only on majors. Minor versions add capability; patches fix bugs.

Current versions as of this writing:

* `@sly_ai/sdk` — 0.1.x (pre-1.0, API may still evolve)
* `@sly_ai/cli` — 0.1.x
* `@sly_ai/mcp-server` — 0.1.x

When we hit 1.0 we'll lock the APIs; until then, pin to a minor version in production (`^0.1.0`).

## Source + contributions

All four packages are open source and live in the Sly monorepo. Issues and PRs welcome — see the [GitHub repo](https://github.com/Sly-devs/sly).