major

What major does, in the publisher's words

From the project README, punctuation lightly normalized · Open the README on GitHub →

Links

• github.com/major-technology/cli
• plugins/major-build/plugin.json (manifest)

Skills · 11

agent-builder

Create and configure a Major agent: a versioned two-file bundle (agent.jsonc + prompt.md) edited on a sandbox: what each field means, how to research connectors and applications before writing the prompt, and the edit/validate/save/publish lifecycle.

app-builder

Create and edit Major apps: full-stack Next.js apps with frontend, backend API routes, and a live preview, how to create or mount an app sandbox and edit through the workspace tools.

debug-issue

Use this skill when the user asks to debug, investigate, inspect for bugs, fix an issue, or says the app is broken, failing, wrong, blank, errored, or not working. Also use it when you observe a concrete existing failure yourself, including runtime errors, failed tool/API calls, browser console err…

new-project

Use this skill when the user is building a brand new app for the first time. Guides connector setup, data layer understanding, and initial planning.

skill-builder

Create and manage Major agent skills: versioned file bundles (SKILL.md + references + scripts) that an attached agent loads on demand, and the sandbox-based edit/validate/save/publish lifecycle.

using-apps

Use for ANY call against a deployed Major app, listing apps the user can invoke, reading an app's skill (endpoints and request/response shapes), and issuing GET or write requests. Load before querying, calling, or probing a deployed app. Do not use this skill to create, edit, mount, or deploy an ap…

using-authn

Implements AuthN (identity) operations. Use whenever building anything that requires AuthN

using-connectors

Use for ANY operation against a connected resource or connector, databases, CRMs, email, chat, storage, ads platforms, custom REST/GraphQL APIs, remote MCP servers, and for Major platform resources (managed database, managed file storage, app auth, AI proxy, HTTP proxy). Covers discovering resource…

using-frontend-data-table

Creates frontend table views. Use whenever creating any type of table UI on the frontend. Use when doing ANYHTHING that involves tables (using tables to display data).

using-webhooks

Explains how webhook access works on deployed Major apps and how to implement webhook endpoints. Use when the user mentions webhooks, needs to receive external HTTP callbacks, or is integrating with services that send webhooks (e.g., Stripe, GitHub, Twilio).

workflow-builder

Create and manage Major workflows, JSONC graphs of agent calls, app calls, routers, loops, joins, waits, and human approvals fired by schedules, connector events, or authenticated webhooks, the definition format, node/edge/trigger reference, state expressions, and the sandbox-based edit/validate/sa…

Descriptions come from the frontmatter of each SKILL.md, punctuation lightly normalized.

MCP servers · 1

majorstreamable-http

https://mcp.major.build/mcp

Read from the plugin's own mcp.json. We list environment variable names, never values.

Category

Other. Assigned by this directory. Agent Plugins 1.0.0 has no category field, so no manifest declares one.

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