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@moss-tools/vercel-sdk

Vercel AI SDK 6 tool wrappers for MOSS semantic search.

Gives AI agents the ability to search, create indexes, and manage documents through MOSS — all via standard AI SDK tool() definitions.

Install

npm install @moss-tools/vercel-sdk @moss-dev/moss ai zod

Usage

import { MossClient } from '@moss-dev/moss';
import { mossSearchTool, mossCreateIndexTool } from '@moss-tools/vercel-sdk';
import { generateText } from 'ai';
import { openai } from '@ai-sdk/openai';

const client = new MossClient('your-project-id', 'your-project-key');

const result = await generateText({
  model: openai('gpt-4o'),
  tools: {
    search: mossSearchTool({ client, indexName: 'docs' }),
    createIndex: mossCreateIndexTool({ client }),
  },
  maxSteps: 5,
  prompt: 'Find docs about neural networks and summarize them.',
});

Available tools

Factory	Description	Mutating
mossSearchTool	Semantic search	No
mossAddDocsTool	Add documents to an index	Yes
mossDeleteDocsTool	Delete documents by ID	Yes
mossCreateIndexTool	Create a new index with documents	Yes
mossLoadIndexTool	Load an index into memory for fast local queries	No
mossListIndexesTool	List all indexes	No

Mutating tools set needsApproval: true so the AI SDK can prompt for user confirmation.

Tool options

All tool factories accept:

• client — a MossClient instance (required)
• description — override the default tool description

Search, loadIndex, addDocs, and deleteDocs also accept:

• indexName — prebind to a specific index. When omitted, the LLM must specify the index name as part of the tool input.

Examples

Prebound index (simpler schema for the LLM)

const search = mossSearchTool({ client, indexName: 'docs' });
// LLM only needs to provide: { query, topK? }

Dynamic index (LLM chooses the index)

const search = mossSearchTool({ client });
// LLM must provide: { indexName, query, topK? }

All tools

import {
  mossSearchTool,
  mossLoadIndexTool,
  mossAddDocsTool,
  mossDeleteDocsTool,
  mossCreateIndexTool,
  mossListIndexesTool,
} from '@moss-tools/vercel-sdk';

const tools = {
  search: mossSearchTool({ client, indexName: 'docs' }),
  loadIndex: mossLoadIndexTool({ client, indexName: 'docs' }),
  addDocs: mossAddDocsTool({ client, indexName: 'docs' }),
  deleteDocs: mossDeleteDocsTool({ client, indexName: 'docs' }),
  createIndex: mossCreateIndexTool({ client }),
  listIndexes: mossListIndexesTool({ client }),
};

License

See LICENSE.