Skill based on Kit (anza-xyz/kit), generated 2026-02-25.
Concise reference for building Solana apps with Kit: functional API, tree-shakeable imports, RPC + RPC Subscriptions, signers, transaction messages, account fetch/decode, codecs, and program clients.
Core References
| Topic |
Description |
Reference |
| Setup |
Install, RPC/RPC Subscriptions, typed client |
core-setup |
| RPC |
HTTP client — getBalance, getAccountInfo, getLatestBlockhash, send |
core-rpc |
| RPC Subscriptions |
WebSocket — accountNotifications, slotNotifications |
core-rpc-subscriptions |
| Functional |
pipe(), pipeline transforms |
core-functional |
| Signers |
KeyPairSigner, airdrop, wallet swap, no-op |
core-signers |
| Transactions |
pipe, fee payer, lifetime, instructions, sign, send-and-confirm |
core-transactions |
| Transaction confirmation |
Block height exceedence, recent signature, nonce invalidation, timeout |
core-transaction-confirmation |
| Accounts |
fetchEncodedAccount, program fetch/decode (fetchMint, decodeMint) |
core-accounts |
| Address lookup tables |
fetchLookupTables, compress message, decompile with lookups |
core-address-lookup-tables |
| Addresses |
Address type, validation, PDA derivation, codecs |
core-addresses |
| Sysvars |
Fetch/decode Clock, Rent, EpochSchedule, etc. |
core-sysvars |
Features
| Topic |
Description |
Reference |
| Instructions |
Program clients — System, Token, Compute Budget |
features-instructions |
| Instruction plans |
Sequential/parallel plans, planner, executor |
features-instruction-plans |
| Codecs |
Encode/decode structs, program getXCodec |
features-codecs |
| Compatible program clients |
@solana-program/*, Codama-generated clients |
features-compatible-clients |
| Compat (Web3.js) |
fromLegacyPublicKey, fromLegacyKeypair, fromVersionedTransaction |
features-compat |
| Errors |
SolanaError, isSolanaError, context |
features-errors |
| GraphQL |
createSolanaRpcGraphQL, nested queries, caching/batching |
features-graphql |
| Key pairs |
generateKeyPair, import bytes, polyfill |
features-keypairs |
| Offchain messages |
Build, sign, verify, encode/decode (sRFC 3) |
features-offchain-messages |
| Program errors |
isProgramError — attribute tx failure to program/code |
features-program-errors |
| React |
useSignIn, useWalletAccountTransactionSigner, useSignAndSendTransaction |
features-react |
| RPC transports |
Custom transport — failover, retry, round-robin, sharding |
features-rpc-transports |
| RPC API augmentation |
mainnet/devnet, cherry-pick methods, custom RPC methods |
features-rpc-api-augmentation |
| Create Solana program |
pnpm create solana-program, Codama-generated JS client |
features-create-solana-program |
| Unstable subscriptions |
createSolanaRpcSubscriptions_UNSTABLE, block/slotsUpdates |
features-unstable-subscriptions |
Best practices
