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Avail Node—run chains, Kate RPC for data availability, block authoring, and runtime APIs for DA tooling.
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| name | avail |
| description | Avail Node—run chains, Kate RPC for data availability, block authoring, and runtime APIs for DA tooling. |
| metadata | {"author":"hairy","version":"2026.2.24","source":"Generated from https://github.com/availproject/avail, scripts at https://github.com/antfu/skills"} |
Skill based on Avail Node (availproject/avail), generated from
sources/avail. Doc path:sources/avail/README.md,sources/avail/client/basic-authorship/README.md,sources/avail/e2e/README.md, and node/rpc/runtime source (cli, command, kate-rpc, apis).
Avail is a data-availability layer. The Avail Node is the official Substrate-based client. It supports multiple chains (dev, turing, mainnet), Kate RPC for DA queries (rows, proofs, block length, per-tx data proof), and optional custom block authoring via the basic-authorship client. Use this skill to run nodes, script Kate RPC, integrate with light clients or explorers, and reason about runtime APIs.
| Topic | Description | Reference |
|---|---|---|
| Node and chains | Run node, chain IDs (dev, turing, mainnet), Docker, custom chain spec | core-node-and-chains |
| Kate RPC | Enable Kate RPC, methods (queryRows, queryProof, queryMultiProof, blockLength, queryDataProof), limits | core-kate-rpc |
| Topic | Description | Reference |
|---|---|---|
| Block authoring | ProposerFactory and Proposer for custom block production (basic-authorship) | features-block-authoring |
| Runtime APIs | DataAvailApi, KateApi, ExtensionBuilder for DA and header extension | features-runtime-apis |
| Topic | Description | Reference |
|---|---|---|
| Node security | Binary verification, safe RPC usage, when to use unsafe/Kate flags | best-practices-node-security |
