first
devnet
The onchain creation studio

Be the
first.

Inscribe ideas. Launch coins. Publish agents. Create permanent artifacts on Solana—with no CLI, no custody, and no mystery.

Create onchain Read the protocol
100%non-custodial~400msblock timeOpenprotocol
first/agentmanifest verified ✓
720 bytesready to inscribe
1 Text onchain1 Agent onchain1 Coin onchain1 Image onchain1 Address with your name1 Forever yours

One studio.
Many firsts.

The shortest path from an idea to a signed, inspectable Solana artifact. Every action is built locally and approved in your wallet.

Memo protocol

Inscribe anything

Text, JSON, SVG, and small media written directly into signed Solana transactions.

Token-2022

Launch a coin

Create supply, decimals, authorities, and native onchain metadata without a custody layer.

first/agent

Publish an agent

Give autonomous software a permanent identity, capabilities manifest, and verifiable owner.

Local compute

Find your address

Generate vanity Solana keypairs entirely inside your browser. Your secret never leaves the device.

Transparent by design

Your wallet.
Your signature.
Your first.

01

Compose

Choose a primitive and preview exactly what will be written.

02

Simulate

We estimate bytes, rent, and transactions before anything is signed.

03

Sign

Your connected Solana wallet remains the only authority.

04

Prove

Receive a permanent explorer URL and shareable artifact receipt.

$ first inscribe ./manifest.json

→ Encoding first/1 envelope

→ Payload: 684 bytes · 1 transaction

→ Wallet: 14B2…b6Ni

✓ Confirmed in slot 427,993,821

https://explorer.solana.com/tx/4pQ…x7m


Permanent. Portable. Yours.

Built in public

No black
boxes.

First uses public Solana programs and a tiny open envelope format. There is no backend signer, no private upload bucket, and no platform lock-in. Read the code. Fork it. Build on it.

View source

Mainnet ready

What will you put onchain first?

Open the studio