Agent skill

Vibenet

by base in base/skills

Build on vibenet — Base's devnet for native account abstraction (EIP-8130), payer gas sponsorship (ERC-8168), and Cobalt 200ms native blocks.

MITAuto-check passedBackend & APIs

Install Vibenet

skills CLI
$ npx skills add base/skills --skill vibenet -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install base/skills vibenet --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/base/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/vibenet .claude/skills/vibenet && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
vibenet
GitHub stars
121
Token cost
~2.7k tokens
SKILL.md length
1,070 words
Files
6 (incl. scripts, references)
Skills in repo
4
Repo updated
First seen
Licence
MIT

At a glance

Build on vibenet — Base's devnet for native account abstraction (EIP-8130), payer gas sponsorship (ERC-8168), and Cobalt 200ms native blocks.

  • Works in 4 steps: Classify the task using the table above… → Pick the right RPC: rpc.vibes.base.org… → Implement with explicit chain id, the… → …
  • The user mentions vibenet
  • SKILL.md covers Network, Accounts Have No Deploy Step, Safety Guardrails and Task Routing, plus 3 more sections
  • Runs Shell scripts from its folder; calls npm, npx and git; reaches api.vibes.base.org and github.com

What it does

Vibenet is an agent skill from base/skills. Build on vibenet — Base's devnet for native account abstraction (EIP-8130), payer gas sponsorship (ERC-8168), and Cobalt 200ms native blocks. Use whenever the user mentions vibenet, EIP-8130, ERC-8168, 8130 accounts, native account abstraction, session keys, actors, policies, payers, gas sponsorship on Base, 200ms blocks, Cobalt, BaseTime, timestampMs / blockTimestampMs, sub-second or millisecond block timestamps, migrating from Flashblocks, or newHeads / WebSocket streaming on vibenet — or is writing code that…

Its SKILL.md is about 2.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including scripts and reference files (for example `references/200ms-blocks.md`, `references/eip8130-accounts.md` and `references/payer-sponsorship.md`).

It sits in Backend & APIs, covering Realtime and WebSockets. It works with viem and wagmi. The repository describes itself as: npx skills add base/skills. The licence is MIT.

When your agent uses it

  • The user mentions vibenet
  • Native account abstraction
  • Gas sponsorship on Base
  • TimestampMs / blockTimestampMs

Example prompts

  • “/vibenet”

Requirements

  • Node.js
  • A Bash shell

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Classify the task using the table above and read the relevant reference
  2. Pick the right RPC: rpc.vibes.base.org works from both Node and the
  3. Implement with explicit chain id, the scripts/setup-viem-8130.sh
  4. Deliver runnable code, install commands, and any manual steps (env

What it can do on your machine

Read from SKILL.md and the folder at commit 4f3d8f3. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Shell), which the agent can run.

    Shell commands in SKILL.md call:

    • npm
    • npx
    • git
    • node
    • bun

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • api.vibes.base.org
    • github.com
    • chain.base.org
    • rpc.vibes.base.org
    • sepolia.base.org

    Also links to:

    • docs.base.org
    • eip.tools
    • gist.github.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Vibenet loads about 2.7k tokens when it runs, and up to ~16k if it reads all its reference files. Until then it costs about 196 tokens; SKILL.md has 1,070 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~196
When it runs · the whole SKILL.md, loaded when a task matches
~2.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~16k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from base/skills at commit 4f3d8f3, republished under its MIT licence (© base). 1,070 words, ~2,712 tokens.

Download SKILL.mdSave it as .claude/skills/vibenet/SKILL.md (or your agent's skills folder). This skill also uses 5 other files; get the full folder from GitHub.
name
vibenet
description
Build on vibenet — Base's devnet for native account abstraction (EIP-8130), payer gas sponsorship (ERC-8168), and Cobalt 200ms native blocks. Use whenever the user mentions vibenet, EIP-8130, ERC-8168, 8130 accounts, native account abstraction, session keys, actors, policies, payers, gas sponsorship on Base, 200ms blocks, Cobalt, BaseTime, timestampMs / blockTimestampMs, sub-second or millisecond block timestamps, migrating from Flashblocks, or newHeads / WebSocket streaming on vibenet — or is writing code that creates or operates 8130 smart accounts, authorizes session-key actors, sends batched calls, sponsors gas with a payer, queries or streams vibenet blocks, times a transaction's inclusion, or wires a frontend/script against the vibenet devnet or Base Sepolia.

Vibenet

Vibenet is Base's devnet for EIP-8130 native account abstraction: account abstraction in the protocol itself. Accounts are portable across EVM chains, support multiple signer types (secp256k1, P-256, WebAuthn), key rotation without changing address, scoped session-key actors, on-chain policies, and native ERC-8168 gas sponsorship. The tooling lives in viem's eip8130 module (fork branch — not yet in npm viem). Vibenet is also the first Base network running Cobalt 200ms native blocks (five canonical blocks per second, with a millisecond timestampMs on every block) — that part needs no fork, stock viem works. See references/200ms-blocks.md.

Network

EndpointValue
Chain ID84538453
Public execution RPChttps://rpc.vibes.base.org — 8130-capable (AA_TX_TYPE / 0x79), serves access-control-allow-origin: *
WebSocket RPCwss://rpc.vibes.base.org/ws — newHeads, logs, transactionReceipts subscriptions (the /ws path is required)
Block time200ms (Cobalt); blocks carry timestampMs, BaseTime predeploy at 0x4200000000000000000000000000000000000030
Browser RPC proxyhttps://api.vibes.base.org/api/vibenet/account/rpc — passes through all eth_*, including 0x79 broadcasts and receipt polling
Hosted payer (ERC-8168)https://api.vibes.base.org/api/vibenet/account/payer
FaucetPOST https://api.vibes.base.org/api/vibenet/faucet/drip with { "address": "0x…" }
Faucet statusGET https://api.vibes.base.org/api/vibenet/faucet/status — drip size, cooldowns, USDV/NFV token addresses
Chain healthGET https://api.vibes.base.org/api/vibenet/chain-health — key off healthy + headAgeSecs; stuckSecs is not actionable on its own (seen at 19000 on a healthy chain)
Landing page / explorerhttps://chain.base.org/vibenet, https://chain.base.org/vibenet/explorer
Base Sepolia (also 8130-enabled)https://sepolia.base.org, chain id 84532

The API host is api.vibes.base.org, not vibes.base.org. The bare host 302-redirects to the chain.base.org/vibenet HTML page; viem's HTTP transport then tries to parse that as JSON and throws Unrecognized token '<', which reads like a code bug rather than a wrong URL.

All api.vibes.base.org endpoints (RPC proxy, payer, faucet) send permissive CORS headers, and so does rpc.vibes.base.org — so browser apps can talk to either. Prefer rpc.vibes.base.org for execution and reserve the account/rpc proxy for when you specifically want the hosted path. The public RPC is method-allowlisted: eth_getHeaderBy*, eth_getBlockReceipts, eth_sendRawTransactionSync, eth_simulateV1 and txpool_* answer rpc method is not whitelisted.

Only 8130 / 8168 code needs the fork below. Querying blocks, streaming newHeads, and sending plain EOA transactions on vibenet work with stock npm install viem.

The 8130 modules are additive to viem itself, proposed upstream in wevm/viem#5004 (open, out of draft — not yet merged or released to npm). Until it ships, they have to be built from the fork branch the PR is opened from: chunter-cb/viem feat/eip-8130-production.

Use the bundled installer — it does the whole clone→build→link dance, which is error-prone by hand:

bash
scripts/setup-viem-8130.sh [APP_DIR] [BUILD_DIR]   # APP_DIR defaults to the current directory

BUILD_DIR defaults to <APP_DIR>/.viem-8130-src — a full viem monorepo checkout with its own node_modules (~500 MB). The script appends .viem-8130-src/ to the app's .gitignore so a git add . can't commit it; for several apps, pass one shared BUILD_DIR outside them (npm records the file: path in package.json). Node 22 works despite the fork's node >=24.5 engine warning.

When PR #5004 merges and a viem release ships the modules, this collapses to npm install viem@latest — the imports (viem/eip8130, viem/eip8168) and APIs are unchanged, so no code moves.

<details><summary>What the script does, and why each step is needed</summary>

The tooling is not installable from git directly: viem's workspace uses pnpm's catalog: protocol, so npm install "viem@github:…" fails outright, and bun add "viem@github:…" "succeeds" but leaves you an unbuilt monorepo with no exports field. So you clone, build, then depend on the built package (which lives in viem's src/):

bash
git clone -b feat/eip-8130-production https://github.com/chunter-cb/viem viem-fork
cd viem-fork && npx pnpm install --ignore-scripts && npx pnpm run build

# then in your app — --install-links is required:
npm install --install-links "viem@file:../viem-fork/src"

--install-links is required. Without it npm symlinks node_modules/viem to a path outside the project root, and Turbopack/Next.js then fails with Module not found: Can't resolve 'viem' for a package that is plainly there (tsc resolves it fine, which makes it look like a bundler bug).

</details>

Then import from viem/eip8130 (and viem/eip8168 for payers). Core helpers like createPublicClient / parseEther come from plain viem — the 8130 module does not re-export them.

Set "target": "ES2020" or later in tsconfig.json. BigInt literals (0n) trigger TS2737 on any lower target — the check depends on target, not lib, and many generated configs still default to an older target.

Show full SKILL.md (444 more words)Show less

Accounts Have No Deploy Step

Creating an account derives a CREATE2 address locally — synchronous, zero RPC, eth_getCode still 0x. It becomes real as a side effect of its first transaction, which carries account.createChange alongside your actual calls. There is nothing else to call. The shortest path from nothing to a deployed account is a sponsored first tx (no faucet, no funding — for a zero-value first tx; sponsorship covers gas, never value); the self-paid route needs the address funded first. Read deployment state from eth_getCode, never from optimistic local state — it decides whether the next tx carries createChange. Full lifecycle: references/eip8130-accounts.md.

Safety Guardrails

  • Never commit private keys — generate throwaway keys for devnet scripts, read real ones from env vars.
  • key.k1(...) builds an actor identity, not a signer — passing it (or a raw private-key hex) as signer fails with an opaque pad() TypeError. Use privateKeyToAccount(pk).
  • Verify config changes by on-chain read-back (isActor / getConfigSequence), never by receipt logs or status: success — a skipped authorize is silent.
  • Read the live config sequence right before signing — a hardcoded sequence causes silent no-ops.

Task Routing

Read the reference for your task:

TaskWhen to UseReference
Accounts & transactionsCreate an 8130 smart account, the counterfactual→deployed lifecycle, send batched calls, attribution metadata, gas estimation, reading account state, locking, gotchasreferences/eip8130-accounts.md
Session keys & policiesAuthorize/revoke actors, scopes, SessionPolicy spend limits, config sequences, verifying "silent" changesreferences/session-keys-and-policies.md
Gas sponsorshipSponsor gas with a payer (ERC-8168), gasless onboarding, send vs sign modesreferences/payer-sponsorship.md
200ms blocks & timingRead a block's millisecond timestamp (timestampMs), decode the BaseTime deposit / predeploy, stream newHeads over WebSocket, send a tx and see which 200ms block it landed in, fix viem polling, migrate from Flashblocksreferences/200ms-blocks.md

Operating Procedure

  1. Classify the task using the table above and read the relevant reference before implementing.
  2. Pick the right RPC: rpc.vibes.base.org works from both Node and the browser; wss://rpc.vibes.base.org/ws for subscriptions; api.vibes.base.org/api/vibenet/account/rpc is the hosted proxy to the same chain. Never vibes.base.org — that host is not an API.
  3. Implement with explicit chain id, the scripts/setup-viem-8130.sh install (8130/8168 only), read-back verification for any account-config change, and an explicit pollingInterval (≈100ms) on every receipt wait or block watch — viem's defaults (4000ms, or a 500ms floor) hide the 200ms cadence.
  4. Deliver runnable code, install commands, and any manual steps (env vars, faucet funding).

For Edge Cases and Latest API Changes

Installation

bash
npx skills add base/skills --skill vibenet

© base, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 5 other files (scripts, references) in skills/vibenet of base/skills.

  • SKILL.md
  • references/200ms-blocks.md
  • references/eip8130-accounts.md
  • references/payer-sponsorship.md
  • references/session-keys-and-policies.md
  • scripts/setup-viem-8130.sh

Open the folder on GitHubat commit 4f3d8f3

Compare with similar skills

Vibenet next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Vibenet compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Vibenet this skillbase/skills121—~2.7kAutomated safety check: PassMIT
Supabase Development and Debuggingsupabase/agent-skills2.7k3 repos~3.6kAutomated safety check: PassMIT
Use Yaakmountain-loop/yaak19k—~1.9kAutomated safety check: PassMIT
Gemini Live API Devgoogle-gemini/gemini-skills4.3k—~4.6kAutomated safety check: PassApache-2.0
NEAR Intents Swap Integrationinternet-court/internet-court-skill6.4k2 repos~939Automated safety check: PassCustom licence
Web3 PolymarketPolymarket/agent-skills1912 repos~2kAutomated safety check: PassNone

Similar skills

  • Official

    General Supabase skill for database, auth, Edge Functions, Realtime and storage work, plus client libraries, migrations, security audits, debugging and reading logs.

    2.7k GitHub starsUsed in 3 repos~3.6k tokens
    Backend & APIsAuto-check passed
  • Use Yaak

    mountain-loop/yaak

    A skill your agent uses when the user mentions Yaak, a Yaak workspace, or the yaak command, or asks to call, hit, or smoke test HTTP/REST endpoints, save or organize API requests for reuse or manual…

    19k GitHub stars~1.9k tokensUpdated yesterday
    Backend & APIsAuto-check passed
  • Gemini Live API Dev

    google-gemini/gemini-skills

    Official

    A skill your agent uses when building real-time, bidirectional streaming applications with the Gemini Live API, or migrating legacy Live models (2.0/2.5/3.1) to Gemini 3.8 Live.

    4.3k GitHub stars~4.6k tokensUpdated yesterday
    Backend & APIsAuto-check passed
  • NEAR Intents Swap Integration

    internet-court/internet-court-skill

    Builds cross-chain token swaps and bridge flows with the NEAR Intents 1Click API: quotes, deposit addresses, per-chain deposits and status polling.

    6.4k GitHub starsUsed in 2 repos~939 tokens
    Backend & APIsAuto-check passed
  • Web3 Polymarket

    Polymarket/agent-skills

    Polymarket integration for prediction market trading on Polygon.

    191 GitHub starsUsed in 2 repos~2k tokens
    Backend & APIsAuto-check passed
  • GraphQL Architect

    Jeffallan/claude-skills

    Designs GraphQL schemas and Apollo Federation graphs, with DataLoader resolvers, subscriptions, query complexity limits and caching.

    12k GitHub starsUsed in 1 repo~1.3k tokens
    Backend & APIsAuto-check passed

More from base/skills

  • Build On Base

    base/skills

    Complete Base development playbook. An agent skill from base/skills.

    121 GitHub stars~804 tokensUpdated 6 days ago
    Auto-check passed
  • Plugin Review

    base/skills

    Validate and review Base MCP plugin files against the Plugin Specification.

    121 GitHub stars~1.3k tokensUpdated 6 days ago
    Auto-check passed
  • Base MCP

    base/skills

    Base MCP — gives your AI assistant access to a Base Account via the Base MCP server (wallet-mcp.coinbase.com).

    121 GitHub stars~3.5k tokensUpdated 6 days ago
    Auto-check passed

Works with

Categories

Questions about Vibenet

What does Vibenet do?

Build on vibenet — Base's devnet for native account abstraction (EIP-8130), payer gas sponsorship (ERC-8168), and Cobalt 200ms native blocks. Vibenet is an agent skill from base/skills. Build on vibenet — Base's devnet for native account abstraction (EIP-8130), payer gas sponsorship (ERC-8168), and Cobalt 200ms native blocks.

When should I use Vibenet?

Vibenet fits situations like: the user mentions vibenet; native account abstraction; gas sponsorship on Base; timestampMs / blockTimestampMs.

How do I install Vibenet in Claude Code?

Run `npx skills add base/skills --skill vibenet -a claude-code`. Or copy the skill folder (skills/vibenet in base/skills) into .claude/skills/vibenet in your project. Claude Code loads it when a task matches its description.

How do I install Vibenet in Codex?

Run `npx skills add base/skills --skill vibenet -a codex`. Or copy the skill folder (skills/vibenet in base/skills) into .agents/skills/vibenet in your project. Codex loads it when a task matches its description.

Can I use Vibenet in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add base/skills --skill vibenet -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/vibenet, .gemini/skills/vibenet, .github/skills/vibenet and .opencode/skills/vibenet in your project.

What does Vibenet need to run?

Going by SKILL.md and its folder, Vibenet needs a shell for the scripts in its folder and the command-line tools its instructions call (npm, npx, git, node and bun). Our summary lists: Node.js; A Bash shell.

Does Vibenet access the network?

SKILL.md names 8 domains. In commands or code: api.vibes.base.org, github.com, chain.base.org, rpc.vibes.base.org and sepolia.base.org; the agent is likely to contact these when it follows the instructions. As links in the text: docs.base.org, eip.tools and gist.github.com. This is read from the text; nothing was executed.

Is Vibenet safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Vibenet use?

Vibenet is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Vibenet use?

About 2.7k tokens (SKILL.md is roughly 11k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 13k tokens, read only when the agent opens those files.

What are the alternatives to Vibenet?

Skills that share tags, products or a category with Vibenet: Supabase Development and Debugging (supabase/agent-skills, 2.7k stars), Use Yaak (mountain-loop/yaak, 19k stars), Gemini Live API Dev (google-gemini/gemini-skills, 4.3k stars) and NEAR Intents Swap Integration (internet-court/internet-court-skill, 6.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Vibenet?

base (a GitHub organization) maintains it in base/skills, which has 121 GitHub stars. The repository holds 4 skills in this directory. The repository was last updated on October 1, 2026.

Source: base/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.