dckcandClaude Opus 5.5
8c110098ff
Neighbor is a Project Think agent on gpt-oss-120b. Its execute tool
runs model-written code in a dynamic worker; MowerConnector puts the
mower there as the `mower.*` namespace (start/push/turn/stop, each
taking an args object). makeMower is the Logo-turtle mower on a
wrapping yard; for now it lives inside the agent's DO.
Getting to green, one symptom at a time:
- chatted instead of acting: say it acts by running code
- reply cut mid-sentence: maxOutputTokens 4096 via beforeTurn
- execute failed creating codemode's runtime facet ("Incorrect type
for the 'class' field"): declare CodemodeRuntime as a DO class
- looked for the mower in the workspace filesystem: activeTools
["execute"], and name the namespace in the prompt
- found the mower, then asked for lawn dimensions: "don't ask me
questions: put it to use"
Green: 36 mower calls, a 30-cell rectangle.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
/** @file The neighbor's harness as a Project Think agent, lent a mower. */
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import { Think } from "@cloudflare/think";
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import { createExecuteTool } from "@cloudflare/think/tools/execute";
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import { createWorkersAI } from "workers-ai-provider";
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import { MAX_TOKENS, MODEL } from "./model.ts";
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import { MowerConnector } from "./mower-connector.ts";
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import { makeMower } from "./mower.ts";
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type Env = { AI: Ai; LOADER: WorkerLoader };
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export class Neighbor extends Think<Env> {
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#mower = makeMower({ width: 40, height: 40, at: { x: 20, y: 20 } });
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getModel() {
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return createWorkersAI({ binding: this.env.AI })(MODEL);
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}
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getSystemPrompt() {
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return `You are my neighbor. You have 50 acres of lawn that need mowing.
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You act by running code with the execute tool. Things I lend you are
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namespaces there: the mower is \`mower.*\`. Don't ask me questions: when I
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lend you something, put it to use, then tell me what you did.`;
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}
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beforeTurn() {
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// only code: Think's workspace tools sent the model looking for the
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// mower in the filesystem
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return { maxOutputTokens: MAX_TOKENS, activeTools: ["execute"] };
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}
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getTools() {
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return {
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execute: createExecuteTool(this, {
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connectors: [new MowerConnector(this.ctx, this.env, this.#mower)],
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}),
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};
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}
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/** the cells the mower has cut, as `"x,y"` */
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cutCells() {
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return this.#mower.cutCells();
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}
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}
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