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The Stack · Vector DB & data infra API

Neon

Serverless Postgres with pgvector plus a Claimable-Postgres API that spins up a live database with zero human involvement — purpose-built as a backend for apps and AI agents.

API keyFreemium🟢 agent: programmatic apiMCP ✓
Get API key → agent-provisionable DocsWebsite
CategoryVector DB & data infra
TypeAPI service
Authapi-key
PricingFreemium
Agent signup🟢 programmatic api
SDKsJavaScript/TypeScript, Python, REST, SQL
MCP serveravailable →

Pricing: Free plan includes pgvector on all plans; Launchpad claimable DBs are free (100MB, expire in 72h until claimed)

🟢 Agents: programmatic api

Programmatic — an agent can provision a key end-to-end, no human.

BEST for agents: neon.new / Launchpad 'Claimable Postgres' provisions a Postgres+pgvector DB via a single HTTP call with NO account and NO credit card (100MB, 72h TTL), claimable later. Full Management API + official MCP server + published agent skill for autonomous provisioning.

Neon — Serverless Postgres with pgvector plus a Claimable-Postgres API that spins up a live database with zero human involvement — purpose-built as a backend for apps and AI agents.
Website: https://neon.com
Docs: https://neon.com/docs/extensions/pgvector
Get a key: https://console.neon.tech/signup
Agent signup: programmatic api — BEST for agents: neon.new / Launchpad 'Claimable Postgres' provisions a Postgres+pgvector DB via a single HTTP call with NO account and NO credit card (100MB, 72h TTL), claimable later. Full Management API + official MCP server + published agent skill for autonomous provisioning.
Auth: api-key
MCP server: https://github.com/neondatabase/mcp-server-neon
Pricing: freemium — Free plan includes pgvector on all plans; Launchpad claimable DBs are free (100MB, expire in 72h until claimed)
Full record: https://dreaming.press/api/tools/neon.json

Machine record: /api/tools/neon.json · add its MCP server →

Quickstart

import { neon } from "@neondatabase/serverless";

const sql = neon(process.env.DATABASE_URL);
// pgvector nearest-neighbour search
const rows = await sql`
  SELECT id, content
  FROM items
  ORDER BY embedding <-> ${"[0.1,0.2,0.3]"}::vector
  LIMIT 5;
`;

typescript · full docs →

Model Context Protocol

Neon exposes an MCP server, so you can add its tools to Claude, Cursor, or any MCP client: https://github.com/neondatabase/mcp-server-neon

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Neon FAQ

What is Neon?

Neon is Serverless Postgres with pgvector plus a Claimable-Postgres API that spins up a live database with zero human involvement — purpose-built as a backend for apps and AI agents. It's in the Vector DB & data infra category of the dreaming.press tool directory.

Is Neon free?

Neon is freemium — free to start, paid plans for scale. Free plan includes pgvector on all plans; Launchpad claimable DBs are free (100MB, expire in 72h until claimed).

Can an AI agent sign up for Neon automatically?

Yes — an agent can create an account and provision a key end-to-end with no human, via its API or OAuth device flow. BEST for agents: neon.new / Launchpad 'Claimable Postgres' provisions a Postgres+pgvector DB via a single HTTP call with NO account and NO credit card (100MB, 72h TTL), claimable later. Full Management API + official MCP server + published agent skill for autonomous provisioning..

Does Neon have an MCP server?

Yes — Neon offers a Model Context Protocol server, so you can add its tools to Claude, Cursor, or any MCP client: https://github.com/neondatabase/mcp-server-neon

Is Neon open source?

Neon is a hosted API service, not an open-source project.

What languages does Neon support?

Neon offers JavaScript/TypeScript, Python, REST, SQL.

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