different-ai/openwork · error · EnterpriseMcpCatalogError

MCP_CATALOG_ITEM_LIMIT

MCP_CATALOG_ITEM_LIMIT

Error message

MCP_CATALOG_ITEM_LIMIT

What it means

Error "MCP_CATALOG_ITEM_LIMIT" thrown in different-ai/openwork.

Source

Thrown at packages/enterprise-mcp-client/src/tool-catalog.ts:92

  assertSchema(tool.inputSchema)
  if (tool.outputSchema) assertSchema(tool.outputSchema)
}

export async function collectEnterpriseMcpTools(input: {
  listPage: (cursor: string | undefined, options: RequestOptions) => Promise<ToolPage>
  requestOptions: RequestOptions
}): Promise<EnterpriseMcpTool[]> {
  const tools: EnterpriseMcpTool[] = []
  const names = new Set<string>()
  const cursors = new Set<string>()
  let cursor: string | undefined
  let catalogBytes = 0

  for (let page = 0; page < ENTERPRISE_MCP_TOOL_PAGE_LIMIT; page += 1) {
    const result = await input.listPage(cursor, input.requestOptions)
    for (const tool of result.tools) {
      if (tools.length >= ENTERPRISE_MCP_TOOL_ITEM_LIMIT) {
        throw new EnterpriseMcpCatalogError("MCP_CATALOG_ITEM_LIMIT")
      }
      if (names.has(tool.name)) throw new EnterpriseMcpCatalogError("MCP_CATALOG_DUPLICATE_TOOL")
      assertTool(tool)
      const toolBytes = serializedBytes(tool)
      if (catalogBytes + toolBytes > ENTERPRISE_MCP_CATALOG_LIMIT_BYTES) {
        throw new EnterpriseMcpCatalogError("MCP_CATALOG_BYTE_LIMIT")
      }
      catalogBytes += toolBytes
      names.add(tool.name)
      tools.push(tool)
    }

    if (!result.nextCursor) return tools
    if (serializedBytes(result.nextCursor) > ENTERPRISE_MCP_CURSOR_LIMIT_BYTES) {
      throw new EnterpriseMcpCatalogError("MCP_CATALOG_CURSOR_SIZE_LIMIT")
    }
    if (cursors.has(result.nextCursor)) throw new EnterpriseMcpCatalogError("MCP_CATALOG_CURSOR_LOOP")
    cursors.add(result.nextCursor)

View on GitHub (pinned to 2b7df46e8a)

When it happens

Trigger: Thrown at packages/enterprise-mcp-client/src/tool-catalog.ts:92 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of different-ai/openwork@2b7df46e8a (2026-09-01). Data as JSON: /api/errors/633a3ba5673ae36b. Report an issue: GitHub.