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valtown

Plugin

Build and deploy on Val Town. Bundles the Val Town MCP server and platform skills (HTTP vals, cron/intervals, SQLite, email, OAuth, React UI, third-party integrations, templates).

10Frontend

Install

claude plugin install valtown@claude-plugins-official

What is valtown?

Build and deploy on Val Town. Bundles the Val Town MCP server and platform skills (HTTP vals, cron/intervals, SQLite, email, OAuth, React UI, third-party integrations, templates).

What's inside

10 bundled components — installing the plugin installs all of them.

Skills (10)

blob-storage

Use when a val needs simple key/value persistence — JSON documents, cached responses, uploaded files, or binary assets. Covers the std/blob API, listing and deleting keys, account-global or val scoping, and storage limits.

client-side-js

Use when a val needs to ship JavaScript that runs in the browser — React apps, vanilla DOM scripts, canvas/games, htmx/Alpine, or any client-side module beyond a single inline snippet. Explains how Val Town serves transpiled .ts/.tsx/.jsx modules with no build step, how the browser resolves their im

create-skill

Use when the user wants to persist a preference, skill, or knowledge. Use when it would aid future val development to store a memory of how best to build something.

cron-and-intervals

Use when building a val that runs on a schedule — periodic jobs, recurring tasks, polling, cron jobs, monitoring, alerting. Covers the interval handler signature, cron expressions, the UTC timezone constraint, and the `lastRunAt` pattern for detecting new items since the previous run.

email

Use when a val sends email, receives email, or is triggered by an incoming email. Covers email-type vals (the Email handler shape, attachment limits, the assigned val email address) and sending mail via std/email.

http-endpoints

Use when building an HTTP val — a web endpoint, API route, webhook receiver, or any val that responds to HTTP requests. Covers the handler signature, Hono usage, the endpoint URL, CORS behavior, redirects, and Val Town-specific limitations.

oauth

Use when a val needs to require login with a Val Town account — gating routes behind authentication, identifying the current user, building user-specific dashboards. Covers std/oauth's `oauthMiddleware` and `getOAuthUserData`, the auto-managed `/auth/*` routes, and session behavior. For third-party

react-ui

Use when building any val with a user interface — dashboards, web apps, landing pages, forms, admin tools, anything users see in a browser. Covers JSX/React conventions, Twind/Tailwind styling, React version pinning, the view-source link requirement, and what to avoid (template-string HTML, external

sqlite-storage

Use when a val needs to store structured or relational data. Covers the std/sqlite API, parameterized queries, transactions, and the val-scoped vs organization-scoped database distinction.

third-party-integrations

Use when a val talks to an external service — Slack, Discord, Telegram, Stripe, GitHub, Gmail, Google Sheets, Postgres/Supabase/Upstash/Neon, browser automation (Playwright, Browserbase, Kernel, Steel), web scraping, PDF generation, push notifications, RSS, or any other third-party API. Covers the r

What this can do

Capabilities declared by the plugin's own components — read straight from their frontmatter, not inferred.

Inherit all session tools

10 components declare no tool restrictions

~692 tokens of context used while enabled, before you invoke anything

Trust

83/100 · Excellent

2 factors scored below maximum

Unscoped tools

Documentation

README · ~2 min read

Agent plugins for Val Town

Installs the Val Town MCP server and Skills for Claude Code, Codex, and Cursor.

Skills are markdown files with platform guidance for building on Val Town. Used by Val Town's own tools (Townie, the MCP server) and by AI coding agents. Skills include HTTP vals, crons, SQLite, email, OAuth, frontend, and API integrations.

Install

Installing the plugin makes platform skills available to your agent and registers the hosted Val Town MCP server (https://api.val.town/v3/mcp). On first use of an MCP tool, the agent runs the OAuth flow in your browser.

  1. Claude Code

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