Agent skill (SKILL.md)
aka SKILL.md, skills
A folder of instructions, built around a SKILL.md file, that an AI agent loads when a task needs it.
Glossary
Base44 and AI building, in plain English.
The words that come up when you build apps on Base44 and with AI tools, explained the way I'd explain them in the Discord. Short answers first, the longer version underneath.
Short answers first
A to Z
glossary/藞伞l蓲s.蓹r.i/
noun
1.A list of the words people keep asking me about, explained like I'd explain them in the Discord.
see also: plain English
/
34 terms
Base44 moves fast. Where the platform's docs say something specific, I've said so. If something here is out of date, tell me and I'll fix it.
Terms starting with A
3 terms
AI agent (in-app agent)
aka in-app agent, Base44 agent
A conversational AI assistant inside a Base44 app that can talk to users, work with the app's data and call its functions.
Automation
Base44's older way to run backend functions on a schedule or when data changes, now being replaced by workflows.
Terms starting with B
6 terms
BaaS (backend as a service)
aka BaaS, backend as a service
A ready-made backend (database, logins, files and server code) that your app plugs into, so you only build the app.
Backend function
Your own code running on Base44's servers instead of in the browser, for secret keys, webhooks and logic users shouldn't see.
Base44
A no-code AI platform for building full-stack apps, websites and AI agents by describing what you want.
Base44 CLI
The command-line tool for creating, running and deploying Base44 projects from your own machine or AI coding agent.
Base44 Office Hours
Base44's live weekly sessions where the team demos features and answers builders' questions.
Base44 Partner
An independent builder that Base44 points people to for help with development, design, consulting and integrations.
Terms starting with C
3 terms
Claude Code
Anthropic's AI coding agent that reads your codebase, edits files and runs commands for you.
Codex
OpenAI's AI coding agent, which can read a codebase, write and run code, and propose changes.
Connector
An OAuth link that lets a Base44 app or Superagent act in another service, like Gmail, Slack, Google Calendar or GitHub.
Terms starting with D
1 term
Deno
A modern JavaScript and TypeScript runtime, and the one Base44 backend functions run on.
Terms starting with E
1 term
Entity
A table of data in a Base44 app: one list of one kind of thing, like tasks, bookings or customers.
Terms starting with F
1 term
Fisher-Yates shuffle
aka Knuth shuffle
The standard fair way to shuffle a list, where every possible order is equally likely.
Terms starting with G
1 term
GEO (generative engine optimisation)
aka generative engine optimisation, AI SEO
Making your site easy for AI assistants like ChatGPT, Claude and Perplexity to understand, trust and cite.
Terms starting with I
1 term
Integration
A ready-made service in Base44, like sending email, calling an AI model or uploading a file, that you use in one line.
Terms starting with J
1 term
JSON-LD
aka structured data, schema.org
Structured data in a script tag that tells search engines and AI tools exactly what a page is about, using schema.org's vocabulary.
Terms starting with L
1 term
llms.txt
A plain Markdown file at the root of a site that summarises it for AI tools and points them to the pages that matter.
Terms starting with M
1 term
MCP (Model Context Protocol)
aka Model Context Protocol
An open protocol that lets AI assistants connect to outside tools and data through a standard plug.
Terms starting with P
1 term
Prompt engineering
Writing instructions for an AI model so it reliably does what you actually meant.
Terms starting with R
2 terms
Resend
An email API for developers that sends transactional email from your own domain.
Row-level security (RLS)
aka RLS, access rules
Rules on each entity that decide who can create, read, update and delete which rows, enforced on the server.
Terms starting with S
7 terms
Secrets
aka environment variables
Encrypted settings like API keys that only your backend can read, so they never end up in the browser.
Security scan
Base44's built-in check for common security problems, like open data, exposed keys and functions anyone can run.
Seeded randomness
aka seeded PRNG, deterministic randomness
Random numbers generated from a starting value (the seed), so the same seed always gives the same results.
Service role
aka asServiceRole
Full access for trusted backend code in Base44 that skips access rules entirely, so it needs careful handling.
SPA SEO and prerendering
aka single-page app SEO, prerendering
The problem of getting search engines to read apps that build their pages in the browser, and how to fix it.
Stripe webhook
A message Stripe sends to your server when something happens, like a payment succeeding or a subscription being cancelled.
Superagent
A personal AI agent in Base44 that takes real action for you in the background, across your connected tools.
Terms starting with T
2 terms
Tauri
A framework for building small, fast desktop (and mobile) apps with a web frontend and a Rust backend.
The six parts of a Superagent
aka Superagent Brain, Tasks, Artifacts
The Brain, Tasks, Artifacts, Files, Channels, and Settings & Permissions: the building blocks every Superagent is made from.
Terms starting with V
1 term
Vibe coding
Building software by describing what you want to an AI and steering by the results, rather than writing every line yourself.
Terms starting with W
1 term
Workflow
Multi-step backend automation in Base44 that runs on a schedule, when data changes or when something happens in a connected tool.
Missing a word?
Tell me which one and I'll write it up.