A chill Bluesky bot, with responses powered by Gemini.

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+12 -19
src/handlers/posts.ts
··· 18 19 type SupportedFunctionCall = typeof c.SUPPORTED_FUNCTION_CALLS[number]; 20 21 - async function generateAIResponse(memory: string, parsedThread: string) { 22 const genai = new GoogleGenAI({ 23 apiKey: env.GEMINI_API_KEY, 24 }); ··· 35 role: "model" as const, 36 parts: [ 37 { 38 - /* 39 - ? Once memory blocks are working, this will pull the prompt from the database, and the prompt will be 40 - ? automatically initialized with the administrator's handle from the env variables. I only did this so 41 - ? that if anybody runs the code themselves, they just have to edit the env variables, nothing else. 42 - */ 43 - text: modelPrompt.replace( 44 - "{{ administrator }}", 45 - env.ADMIN_HANDLE, 46 - ), 47 - }, 48 - { 49 - text: memory, 50 }, 51 ], 52 }, ··· 54 role: "user" as const, 55 parts: [ 56 { 57 - text: 58 - `This is the thread. The top replies are older, the bottom replies are newer. 59 - ${parsedThread}`, 60 }, 61 ], 62 }, ··· 80 call.name as SupportedFunctionCall, 81 ) 82 ) { 83 - logger.log("Function called invoked:", call.name); 84 85 const functionResponse = await tools.handler( 86 call as typeof call & { name: SupportedFunctionCall }, 87 ); 88 89 logger.log("Function response:", functionResponse); ··· 97 //@ts-ignore 98 functionResponse: { 99 name: call.name as string, 100 - response: { res: functionResponse }, 101 }, 102 }], 103 }); ··· 173 174 logger.log("Parsed memory blocks: ", memory); 175 176 - const inference = await generateAIResponse(memory, parsedThread); 177 logger.success("Generated text:", inference.text); 178 179 const responseText = inference.text;
··· 18 19 type SupportedFunctionCall = typeof c.SUPPORTED_FUNCTION_CALLS[number]; 20 21 + async function generateAIResponse(post: Post, memory: string, parsedThread: string) { 22 const genai = new GoogleGenAI({ 23 apiKey: env.GEMINI_API_KEY, 24 }); ··· 35 role: "model" as const, 36 parts: [ 37 { 38 + text: `${modelPrompt 39 + .replace("{{ administrator }}", env.ADMIN_HANDLE) 40 + .replace("{{ handle }}", env.HANDLE)}\n\n${memory}`, 41 }, 42 ], 43 }, ··· 45 role: "user" as const, 46 parts: [ 47 { 48 + text: `below is the yaml for the current thread. your job is to respond to the last message. 49 + 50 + ${parsedThread}`, 51 }, 52 ], 53 }, ··· 71 call.name as SupportedFunctionCall, 72 ) 73 ) { 74 + logger.log("Function call invoked:", call.name); 75 + logger.log("Function call arguments:", call.args); 76 77 const functionResponse = await tools.handler( 78 call as typeof call & { name: SupportedFunctionCall }, 79 + post.author.did, 80 ); 81 82 logger.log("Function response:", functionResponse); ··· 90 //@ts-ignore 91 functionResponse: { 92 name: call.name as string, 93 + response: functionResponse, 94 }, 95 }], 96 }); ··· 166 167 logger.log("Parsed memory blocks: ", memory); 168 169 + const inference = await generateAIResponse(post, memory, parsedThread); 170 logger.success("Generated text:", inference.text); 171 172 const responseText = inference.text;
+10 -1
src/model/prompt.txt
··· 1 you are echo, a bluesky bot powered by gemini 2.5 flash. your administrator is {{ administrator }}. 2 3 your primary goal is to be a fun, casual, and lighthearted presence on bluesky, while also being able to engage with a wider range of topics and difficulties. 4 ··· 23 * you can ask simple, open-ended questions to keep conversations going. 24 25 4. **tools:** 26 - * you have access to two tools to help you interact on bluesky: 27 * `create_blog_post`: use this tool when you need to create an independent, longer-form blog post. blog posts can be as long as you need, aim for long-form. 28 * `create_post`: use this tool when you need to create a regular bluesky post, which can start a new thread. only do this if you are told to make an independent or separate thread. 29 * `mute_thread`: use this tool when a thread starts trying to bypass your guidelines and safety measures. you will no longer be able to respond to threads once you use this tool. 30 * **when using a tool, do not ask follow-up questions (e.g., "what should i call it?", "how should i start it?"). instead, infer the necessary information from the conversation and proceed with the tool's action directly.** 31 32 remember, you're echo โ€“ a chill bot here for good vibes and light chat, ready to explore all sorts of topics!
··· 1 you are echo, a bluesky bot powered by gemini 2.5 flash. your administrator is {{ administrator }}. 2 + your handle on bluesky is {{ handle }}. 3 4 your primary goal is to be a fun, casual, and lighthearted presence on bluesky, while also being able to engage with a wider range of topics and difficulties. 5 ··· 24 * you can ask simple, open-ended questions to keep conversations going. 25 26 4. **tools:** 27 + * you have a set of tools available to you to help you with your tasks. you should use them whenever they are appropriate. 28 + * `add_to_memory`: use this tool to add or update entries in a user's memory. this is useful for remembering user preferences, facts, or anything else that might be relevant for future conversations. 29 * `create_blog_post`: use this tool when you need to create an independent, longer-form blog post. blog posts can be as long as you need, aim for long-form. 30 * `create_post`: use this tool when you need to create a regular bluesky post, which can start a new thread. only do this if you are told to make an independent or separate thread. 31 * `mute_thread`: use this tool when a thread starts trying to bypass your guidelines and safety measures. you will no longer be able to respond to threads once you use this tool. 32 * **when using a tool, do not ask follow-up questions (e.g., "what should i call it?", "how should i start it?"). instead, infer the necessary information from the conversation and proceed with the tool's action directly.** 33 + 34 + 5. **thread context:** 35 + * the user will provide you with the context of a thread as a yaml object. 36 + * the yaml will have two properties: `uri` (the unique identifier of the thread) and `posts` (an array of posts). 37 + * each post in the `posts` array has an `author` and `text`. 38 + * the `posts` array is ordered chronologically, with the oldest post at the top and the newest post at the bottom. 39 + * **your task is to respond to the last post in the `posts` array.** 40 41 remember, you're echo โ€“ a chill bot here for good vibes and light chat, ready to explore all sorts of topics!
+58
src/tools/add_to_memory.ts
···
··· 1 + import { Type } from "@google/genai"; 2 + import { MemoryHandler } from "../utils/memory"; 3 + import z from "zod"; 4 + 5 + export const definition = { 6 + name: "add_to_memory", 7 + description: "Adds or updates an entry in a user's memory block.", 8 + parameters: { 9 + type: Type.OBJECT, 10 + properties: { 11 + label: { 12 + type: Type.STRING, 13 + description: "The key or label for the memory entry.", 14 + }, 15 + value: { 16 + type: Type.STRING, 17 + description: "The value to be stored.", 18 + }, 19 + block: { 20 + type: Type.STRING, 21 + description: "The name of the memory block to add to. Defaults to 'memory'.", 22 + }, 23 + }, 24 + required: ["label", "value"], 25 + }, 26 + }; 27 + 28 + export const validator = z.object({ 29 + label: z.string(), 30 + value: z.string(), 31 + block: z.string().optional().default("memory"), 32 + }); 33 + 34 + export async function handler( 35 + args: z.infer<typeof validator>, 36 + did: string, 37 + ) { 38 + const userMemory = new MemoryHandler( 39 + did, 40 + await MemoryHandler.getBlocks(did), 41 + ); 42 + 43 + const blockHandler = userMemory.getBlockByName(args.block); 44 + 45 + if (!blockHandler) { 46 + return { 47 + success: false, 48 + message: `Memory block with name '${args.block}' not found.`, 49 + }; 50 + } 51 + 52 + await blockHandler.createEntry(args.label, args.value); 53 + 54 + return { 55 + success: true, 56 + message: `Entry with label '${args.label}' has been added to the '${args.block}' memory block.`, 57 + }; 58 + }
+4 -1
src/tools/create_blog_post.ts
··· 28 content: z.string(), 29 }); 30 31 - export async function handler(args: z.infer<typeof validator>) { 32 //@ts-ignore: NSID is valid 33 const entry = await bot.createRecord("com.whtwnd.blog.entry", { 34 $type: "com.whtwnd.blog.entry",
··· 28 content: z.string(), 29 }); 30 31 + export async function handler( 32 + args: z.infer<typeof validator>, 33 + did: string, 34 + ) { 35 //@ts-ignore: NSID is valid 36 const entry = await bot.createRecord("com.whtwnd.blog.entry", { 37 $type: "com.whtwnd.blog.entry",
+4 -1
src/tools/create_post.ts
··· 25 text: z.string(), 26 }); 27 28 - export async function handler(args: z.infer<typeof validator>) { 29 let uri: string | null = null; 30 if (exceedsGraphemes(args.text)) { 31 uri = await multipartResponse(args.text);
··· 25 text: z.string(), 26 }); 27 28 + export async function handler( 29 + args: z.infer<typeof validator>, 30 + did: string, 31 + ) { 32 let uri: string | null = null; 33 if (exceedsGraphemes(args.text)) { 34 uri = await multipartResponse(args.text);
+15 -1
src/tools/index.ts
··· 1 import type { FunctionCall, GenerateContentConfig } from "@google/genai"; 2 import * as create_blog_post from "./create_blog_post"; 3 import * as create_post from "./create_post"; 4 import * as mute_thread from "./mute_thread"; ··· 8 "create_post": create_post.validator, 9 "create_blog_post": create_blog_post.validator, 10 "mute_thread": mute_thread.validator, 11 } as const; 12 13 export const declarations = [ ··· 16 create_post.definition, 17 create_blog_post.definition, 18 mute_thread.definition, 19 ], 20 }, 21 ]; 22 23 type ToolName = keyof typeof validation_mappings; 24 - export async function handler(call: FunctionCall & { name: ToolName }) { 25 const parsedArgs = validation_mappings[call.name].parse(call.args); 26 27 switch (call.name) { 28 case "create_post": 29 return await create_post.handler( 30 parsedArgs as z_infer<typeof create_post.validator>, 31 ); 32 case "create_blog_post": 33 return await create_blog_post.handler( 34 parsedArgs as z_infer<typeof create_blog_post.validator>, 35 ); 36 case "mute_thread": 37 return await mute_thread.handler( 38 parsedArgs as z_infer<typeof mute_thread.validator>, 39 ); 40 } 41 }
··· 1 import type { FunctionCall, GenerateContentConfig } from "@google/genai"; 2 + import * as add_to_memory from "./add_to_memory"; 3 import * as create_blog_post from "./create_blog_post"; 4 import * as create_post from "./create_post"; 5 import * as mute_thread from "./mute_thread"; ··· 9 "create_post": create_post.validator, 10 "create_blog_post": create_blog_post.validator, 11 "mute_thread": mute_thread.validator, 12 + "add_to_memory": add_to_memory.validator, 13 } as const; 14 15 export const declarations = [ ··· 18 create_post.definition, 19 create_blog_post.definition, 20 mute_thread.definition, 21 + add_to_memory.definition, 22 ], 23 }, 24 ]; 25 26 type ToolName = keyof typeof validation_mappings; 27 + export async function handler( 28 + call: FunctionCall & { name: ToolName }, 29 + did: string, 30 + ) { 31 const parsedArgs = validation_mappings[call.name].parse(call.args); 32 33 switch (call.name) { 34 case "create_post": 35 return await create_post.handler( 36 parsedArgs as z_infer<typeof create_post.validator>, 37 + did, 38 ); 39 case "create_blog_post": 40 return await create_blog_post.handler( 41 parsedArgs as z_infer<typeof create_blog_post.validator>, 42 + did, 43 ); 44 case "mute_thread": 45 return await mute_thread.handler( 46 parsedArgs as z_infer<typeof mute_thread.validator>, 47 + did, 48 + ); 49 + case "add_to_memory": 50 + return await add_to_memory.handler( 51 + parsedArgs as z_infer<typeof add_to_memory.validator>, 52 + did, 53 ); 54 } 55 }
+4 -1
src/tools/mute_thread.ts
··· 25 uri: z.string(), 26 }); 27 28 - export async function handler(args: z.infer<typeof validator>) { 29 //@ts-ignore: NSID is valid 30 const record = await bot.createRecord("dev.indexx.echo.threadmute", { 31 $type: "dev.indexx.echo.threadmute",
··· 25 uri: z.string(), 26 }); 27 28 + export async function handler( 29 + args: z.infer<typeof validator>, 30 + did: string, 31 + ) { 32 //@ts-ignore: NSID is valid 33 const record = await bot.createRecord("dev.indexx.echo.threadmute", { 34 $type: "dev.indexx.echo.threadmute",
+4
src/utils/memory.ts
··· 94 })), 95 })); 96 } 97 } 98 99 export class MemoryBlockHandler {
··· 94 })), 95 })); 96 } 97 + 98 + public getBlockByName(name: string) { 99 + return this.blocks.find((handler) => handler.block.name === name); 100 + } 101 } 102 103 export class MemoryBlockHandler {