Plugin SDK defineToolPlugin helper

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defineToolPlugin

import { Type } from "typebox";
import { defineToolPlugin } from "openclaw/plugin-sdk/tool-plugin";

export default defineToolPlugin({
  id: "stock-quotes",
  name: "Stock Quotes",
  description: "Fetch stock quotes.",
  configSchema: Type.Object({
    apiKey: Type.Optional(Type.String({ description: "API key." })),
  }),
  tools: (tool) => [
    tool({
      name: "quote",
      label: "Quote",
      description: "Fetch a quote.",
      parameters: Type.Object({
        symbol: Type.String({ description: "Ticker symbol." }),
      }),
      outputSchema: Type.Object(
        {
          symbol: Type.String(),
          hasKey: Type.Boolean(),
        },
        { additionalProperties: false },
      ),
      execute: async ({ symbol }, config) => ({ symbol, hasKey: Boolean(config.apiKey) }),
    }),
  ],
});

• configSchema is optional; omitting it uses a strict empty object schema (the generated manifest still includes configSchema).
• execute returns a plain string or JSON-serializable value; the helper wraps it as a text tool result with details set to the original (unstringified) return value.
• outputSchema optionally describes that original details value for Code Mode and Tool Search. Catalog calls reject an invalid schema before execution and validate the final value before returning it.
• For custom tool results, openclaw/plugin-sdk/tool-results exports textResult and jsonResult.
• Tool names are static, so openclaw plugins build derives contracts.tools from the declared tools without hand-duplicated names.
• Runtime loading stays strict: installed plugins still need openclaw.plugin.json and package.json openclaw.extensions. OpenClaw never executes plugin code to infer missing manifest data.