Search

hackerNewsRAG

@substrate

Find comments on HN (powered by Algolia ), extract content and return a streaming markdown summary (powered by Substrate ). The RAG portion of this is 34 lines of Substrate code. Read the walkthrough: https://x.com/vprtwn/status/1812844236401762513 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits. See also: https://www.val.town/v/substrate/twitterRAG

HTTP (deprecated)

pi)), extract content and return a streaming markdown summary (powered by [Substrate](https://substrate.run)).

The RAG portion of this is 34 lines of Substrate code. Read the walkthrough: https://x.com/vprtwn/status/1812844236401762513

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits.

See also:

- https://www.val.town/v/substrate/twitterRAG

import { hnSearch } from "https://esm.town/v/stevekrouse/hnSearch";

import { ComputeJSON, ComputeText, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

import { zodToJsonSchema } from "npm:zod-to-json-schema";

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

// search for HN comments using https://hn.algolia.com/api

markdown.id = "markdown";

const stream = await substrate.stream(markdown);

// Render streaming markdown

return new Response("User-agent: *\nDisallow: /");

const renderMarkdown = (await import("https://esm.town/v/substrate/renderMarkdown")).default;

return renderMarkdown(stream);

imageGeneration

@substrate

Generate a description for an image, generate the image, and upscale it. 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits

HTTP (deprecated)

Generate a description for an image, generate the image, and upscale it.

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits

import { ComputeText, GenerateImage, Substrate, UpscaleImage } from "npm:substrate";

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

const prompt = "futuristic city of atlants";

upscale.id = "upscale";

const stream = substrate.stream(upscale);

export default async function render(req: Request): Promise<Response> {

return new Response("User-agent: *\nDisallow: /");

const renderNodeResults = (await import("https://esm.town/v/substrate/renderNodeResults")).default;

return renderNodeResults(stream);

intro

@substrate

Generate a story and summarize it using Substrate . 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits.

HTTP (deprecated)

Generate a story and summarize it using [Substrate](https://substrate.run/).

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits.

import { ComputeText, sb, Substrate } from "npm:substrate";

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

const story = new ComputeText({

max_tokens: 500,

const stream = await substrate.stream(summary);

export default async function render(req: Request): Promise<Response> {

return new Response("User-agent: *\nDisallow: /");

const renderNodeResults = (await import("https://esm.town/v/substrate/renderNodeResults")).default;

return renderNodeResults(stream);

renderNodeResults

@substrate

Render streaming node results

1 5

HTTP (deprecated)

Render streaming node results

export default function renderNodeResults(stream: any) {

return new Response(

ReadableStream.from((async function*() {

// Yield the initial HTML structure with the persistent badge

yield new TextEncoder().encode(`

<!DOCTYPE html>

<html>

<head>

renderMarkdown

@substrate

Render streaming markdown

1 7

HTTP (deprecated)

Render streaming markdown

export default function renderMarkdown(stream: any) {

let { readable, writable } = new TransformStream();

let writer = writable.getWriter();

const textEncoder = new TextEncoder();

writer.write(textEncoder.encode(`<!DOCTYPE html>

<html>

<head>

<style>

template

@substrate

Starter template for Substrate demos

HTTP (deprecated)

Starter template for Substrate demos

import promptHeader from "https://esm.town/v/substrate/promptHeader";

import { ComputeText, GenerateImage, sb, Substrate } from "npm:substrate";

export default async function handler(req: Request): Promise<Response> {

const prompt = new URL(req.url).searchParams.get("prompt") || "bullfrog";

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

const desc = new ComputeText({

const caption = new ComputeText({ prompt: "describe this", image_uris: [image.future.image_uri] });

const stream = await substrate.stream(caption);

async function* content() {

template

@liam

Starter template for Substrate demos

HTTP (deprecated)

Starter template for Substrate demos

import promptHeader from "https://esm.town/v/substrate/promptHeader";

import wrapper from "https://esm.town/v/substrate/substrateBadgeMiddleware";

import { ComputeJSON, ComputeText, GenerateImage, sb, Substrate } from "npm:substrate";

async function handler(req: Request): Promise<Response> {

const { prompt = "modernism" } = Object.fromEntries(searchParams);

// Substrate graph

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

const startup_name = new ComputeText({

startup_name.future.text,

const stream = await substrate.stream(haiku);

async function* content() {

illustratedPrimer

@substrate

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve". 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits

HTTP (deprecated)

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve".

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits

import inputHeader from "https://esm.town/v/substrate/inputHeader";

import { ComputeJSON, ComputeText, GenerateImage, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

const input = new URL(req.url).searchParams.get("input") || "modernism";

// Substrate graph

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY_R") });

const Topic = z

const nodes = [image1, caption1, image2, caption2, image3, caption3, image4, caption4];

const stream = await substrate.stream(...nodes);

// UI

shapeshift

@substrate

Semantically map a JSON object to a target schema using Substrate . 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits.

HTTP (deprecated)

Semantically map a JSON object to a target schema using [Substrate](https://substrate.run/).

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits.

import { ComputeJSON, ComputeText, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

city: "Anytown",

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

const TargetSchema = z.object({

json_schema: zodToJsonSchema(TargetSchema),

const res = await substrate.run(json);

export default async function render(req: Request): Promise<Response> {

IllustratedPrimer

@kousun12

Generates a streaming illustrated primer on a subject. ℹ️ Open the url and add a query parameter with a subject (click on titles to "delve"): https://substrate-illustratedprimer.web.val.run/?prompt=modernism 🪩 If you fork, you can sign up for Substrate to get your own API key and $50 in credits

HTTP (deprecated)

Generates a streaming illustrated primer on a subject.

dd a query parameter with a subject (click on titles to "delve"): https://substrate-illustratedprimer.web.val.run/?prompt=mo

🪩 If you fork, you can [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 in credits

import wrapper from "https://esm.town/v/substrate/substrateBadgeMiddleware";

import { ComputeJSON, ComputeText, GenerateImage, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

const { prompt = "modernism" } = Object.fromEntries(searchParams);

// Substrate graph

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

const Topic = z

const nodes = [image1, caption1, image2, caption2, image3, caption3, image4, caption4];

const stream = await substrate.stream(...nodes);

// UI

illustratedTopics

@substrate

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve". 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits

HTTP (deprecated)

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve".

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits

import { ComputeJSON, ComputeText, GenerateImage, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

import { zodToJsonSchema } from "npm:zod-to-json-schema";

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY_R") });

const input = "astrobiology"

const nodes = [image1, caption1, image2, caption2, image3, caption3, image4, caption4];

const stream = await substrate.stream(...nodes);

// Render UI

spanishVocabLesson

@substrate

Generates spanish flashcards on a topic, including generated images and speech. 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits

HTTP (deprecated)

Generates spanish flashcards on a topic, including generated images and speech.

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits

import { ComputeJSON, ComputeText, GenerateImage, GenerateSpeech, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

const input = "scuba diving";

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY") });

const vocabLesson = z.object({

model: "Llama3Instruct70B",

const stream = await substrate.stream(html);

// Render UI

return new Response("User-agent: *\nDisallow: /");

const renderHTML = (await import("https://esm.town/v/substrate/renderHTML")).default;

return renderHTML(stream);

illustratedPrimer

@nknj

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve". 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits

HTTP (deprecated)

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve".

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits

import inputHeader from "https://esm.town/v/substrate/inputHeader";

import { ComputeJSON, ComputeText, GenerateImage, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

const input = new URL(req.url).searchParams.get("input") || "modernism";

// Substrate graph

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY_R") });

const Topic = z

const nodes = [image1, caption1, image2, caption2, image3, caption3, image4, caption4];

const stream = await substrate.stream(...nodes);

// UI

illustratedPrimer

@yawnxyz

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve". 🪩 To fork, sign up for Substrate to get your own API key and $50 free credits

HTTP (deprecated)

Generates a streaming illustrated primer on a subject. Enter a subject, click on titles to "delve".

🪩 To fork, [sign up for Substrate](https://substrate.run/signin) to get your own API key and $50 free credits

import inputHeader from "https://esm.town/v/substrate/inputHeader";

import { ComputeJSON, ComputeText, GenerateImage, sb, Substrate } from "npm:substrate";

import { z } from "npm:zod";

const input = new URL(req.url).searchParams.get("input") || "modernism";

// Substrate graph

const substrate = new Substrate({ apiKey: Deno.env.get("SUBSTRATE_API_KEY_R") });

const Topic = z

const nodes = [image1, caption1, image2, caption2, image3, caption3, image4, caption4];

const stream = await substrate.stream(...nodes);

// UI

inputHeader

@substrate

An interactive, runnable TypeScript val by substrate

HTTP (deprecated)

</div>

<a href="https://www.substrate.run" target="_blank" style="font-size:0.8rem;color:#fff;text-decoration:none;display:block

<a href="#" onclick="window.open(getSourceUrl(), '_blank')" style="font-size:0.8rem;color:#fff;text-decoration:none;displ

</div>

2 3